How to Find ENT Doctors (Otolaryngologists) by Zip Code
Data sourced from live CMS NPI Registry API v2.1 queries, run June 12, 2026. All provider counts are real API responses, not estimates. Raw query results are available for download. See methodology below.
taxonomy_description=Otolaryngology. The abbreviation "ENT" returns approximately 2 noise records from the live API — it is not a recognized CMS taxonomy value, not a partial match, and not a synonym the registry understands. This guide documents the real counts from 9 markets we pulled June 12, 2026, the subspecialty taxonomy structure (facial plastic surgery, neurotology, pediatric ENT are separate queries), and how ENT's geographic distribution differs from more hospital-anchored specialties.
taxonomy_description=ENT returns approximately 2 records — noise, not actual ENT providers. Confirmed June 12, 2026. The correct string is Otolaryngology. Every call list built with "ENT" as the API filter is missing the real dataset entirely.
Otolaryngology in the NPI registry: real counts from 9 markets
We queried the CMS NPI API v2.1 on June 12, 2026 with taxonomy_description=Otolaryngology.
Markets that hit the 200-record cap have more records than the API returns.
| Market | Query scope | NPI records returned | At 200-record cap? |
|---|---|---|---|
| New York, NY | City filter | 200+ | Yes (more exist) |
| Los Angeles, CA | City filter | 200+ | Yes (more exist) |
| Chicago, IL | City filter | 200+ | Yes (more exist) |
| Houston, TX | City filter | 200+ | Yes (more exist) |
| Phoenix, AZ | City filter | 141 | No (complete) |
| Nashville, TN | City filter | 164 | No (complete) |
| Memphis, TN | City filter | 58 | No (complete) |
| Vermont (statewide) | State filter | 51 | No (complete) |
| Wyoming (statewide) | State filter | 47 | No (complete) |
Source: CMS NPI Registry API v2.1, taxonomy_description=Otolaryngology, limit=200. Queried June 12, 2026. Includes NPI-1 individual providers and NPI-2 organization records.
ENT subspecialties: the separate taxonomies
Unlike some specialties where all practitioners file under a single top-level taxonomy, otolaryngology
has distinct subspecialty entries in the NUCC system. A query for Otolaryngology captures
the majority, but subspecialists who filed exclusively under a subspecialty code require separate queries:
| Subspecialty | taxonomy_description value | NUCC code | National sample (June 2026) |
|---|---|---|---|
| General ENT / otolaryngologist | Otolaryngology |
207Y00000X | 200+ nationally |
| Otolaryngic allergist | Otolaryngic Allergy |
207YX0007X | 200+ nationally |
| Ear / skull-base surgeon | Otology & Neurotology |
207YX0905X | 200+ nationally |
| Pediatric ENT surgeon | Pediatric Otolaryngology |
207YP0228X | 200+ nationally |
| ENT facial plastic surgeon | Otolaryngology, Facial Plastic Surgery |
207YS0123X | Included in Otolaryngology results when listed as secondary |
Otolaryngic allergy practitioners are a distinct subgroup — the 2 Memphis records that returned
Allergy & Immunology as primary taxonomy reflect providers who manage ENT allergy
from a mixed allergy/immunology base, not otolaryngologists. Run Otolaryngic Allergy
as a separate query if allergen immunotherapy devices or biologics are your target product.
How to search for ENT doctors by zip code (5 steps)
Choose your search method
- NPI registry directly at npiregistry.cms.hhs.gov — free, no account, city or state filter only. No radius.
- getdork Physician Search — same CMS API with zip-radius filtering, correct taxonomy pre-mapped, CSV export. Search ENT doctors by ZIP →
Use the correct taxonomy string: Otolaryngology
The exact API parameter is taxonomy_description=Otolaryngology. "ENT" returns
approximately 2 noise records — not a meaningful dataset. The numeric NUCC code
207Y00000X is silently ignored by CMS NPI API v2.1 and returns unfiltered results.
If cochlear implant surgeons or skull-base specialists are priority accounts in your territory,
add a second query for Otology+%26+Neurotology and deduplicate by NPI.
Set your radius based on market density
ENT distributes more evenly than hospital-anchored specialties. Recommended starting radii:
- Dense urban (NYC, Chicago, LA): 10–15 miles
- Mid-metro (Memphis, Nashville, Phoenix): 25 miles
- Rural (Wyoming, Vermont): 50–75 miles — Wyoming returned 47 statewide, Vermont 51
Head-and-neck surgical subspecialists (neurotology, laryngology, skull-base oncology) are significantly sparser than general ENT. Budget 75–100 miles for those in any non-major metro.
Run the search and review subspecialty distributions
The taxonomy description field in each returned record tells you what subspecialty the provider filed as primary. In a Memphis-sized market, roughly 62% of records will show plain Otolaryngology, 14% Pediatric Otolaryngology, and the remainder a surgical subspecialty. Filter accordingly for your product's target audience.
Export to CSV (Pro) and import to your CRM
Pro users export the complete result as a CSV. Column headers: NPI, Name, Credential, Address, City, State, Zip, Phone, Entity Type. BOM included for Excel compatibility. Import directly to Salesforce, HubSpot, or any CRM with a CSV upload path.
Direct API queries
# ENT doctors in Memphis, TN — returned 58 records (June 2026) https://npiregistry.cms.hhs.gov/api/? version=2.1 &taxonomy_description=Otolaryngology &city=Memphis &state=TN &limit=200 # FAILS — "ENT" is not a valid taxonomy_description; returns ~2 noise records https://npiregistry.cms.hhs.gov/api/? version=2.1 &taxonomy_description=ENT &city=Memphis &state=TN &limit=200 # Skull-base / cochlear implant surgeons — separate query required https://npiregistry.cms.hhs.gov/api/? version=2.1 &taxonomy_description=Otology+%26+Neurotology &state=TN &limit=200 # Otolaryngic allergy — separate query for allergen immunotherapy targets https://npiregistry.cms.hhs.gov/api/? version=2.1 &taxonomy_description=Otolaryngic+Allergy &state=TN &limit=200
Radius guidance for ENT territories
| Market type | Recommended starting radius | Rationale |
|---|---|---|
| Dense urban (NYC, Chicago, LA) | 10–15 miles | High density of both general and subspecialty ENT; tighter radius avoids cross-territory overlap |
| Mid-metro (Memphis, Nashville, Phoenix) | 25 miles | Memphis returned 58 records for city alone; 25 miles adds suburban clinics without over-reaching |
| Rural (Wyoming, Vermont) | 50–75 miles | Wyoming 47 statewide, Vermont 51 statewide — ENT is better distributed than pulmonology in rural markets but still thin |
| Surgical subspecialists (any market) | 75–100 miles | Neurotologists, laryngologists, and skull-base surgeons are sparse even in large metros; they practice at academic medical centers with regional catchments |
getdork sends
Otolaryngology — not "ENT" — to the CMS API, runs the radius math,
and returns a clean, deduplicated call list you can export to your CRM. Free to preview; Pro
for the full set.
Search ENT doctors by ZIP code — free →
Frequently asked questions
Does "ENT" work as a taxonomy filter in the NPI API?
No. taxonomy_description=ENT returns approximately 2 noise records from the live
CMS NPI API — confirmed June 12, 2026. It is not a recognized NUCC taxonomy value; the API
performs an exact match on the taxonomy_description field and "ENT" is not in the classification
table. The correct value is Otolaryngology.
Does a search for Otolaryngology include facial plastic surgeons and skull-base surgeons?
Partially. The API returns records where "Otolaryngology" appears anywhere in the provider's taxonomy list. In Memphis, facial plastic surgeons and head-and-neck plastic surgeons appeared because they file Otolaryngology as a parent specialty. But providers who filed exclusively under "Otology & Neurotology" — a separate NUCC code — require their own query. Run both and deduplicate by NPI number.
How does pediatric otolaryngology appear in my search results?
Pediatric Otolaryngology is a separate NUCC taxonomy. In Memphis, 8 of 58 records showed it
as the primary taxonomy — these appeared in the Otolaryngology query because the API matched
the parent taxonomy in their record. A provider who filed exclusively under Pediatric
Otolaryngology with no general ENT taxonomy listed would not appear; that is rare but possible.
If children's hospitals are a target account, add a second query for
Pediatric+Otolaryngology.
What radius works for an ENT search in different market types?
General ENT is more evenly distributed than hospital-anchored specialties. Memphis returned 58 records for the city — reasonable density at 25 miles. Wyoming returned 47 statewide, Vermont 51 statewide. For rural markets, 50–75 miles is practical. For subspecialists (neurotology, laryngology), budget 75–100 miles even in large metros.
What products are relevant for an ENT territory call list?
Device: cochlear implants, bone-anchored hearing systems, powered ENT microdebriders, sinus navigation systems, balloon sinuplasty catheters. Pharma: biologic therapies for chronic rhinosinusitis with nasal polyps (dupilumab, omalizumab), nasal corticosteroids, otic antibiotic preparations. Audiological testing equipment vendors also build ENT call lists from NPI data.
Can NPI data help me distinguish in-office procedure ENTs from hospital-only surgeons?
Not directly — the NPI registry does not record facility type or procedure capability. As a working proxy: individual providers (NPI-1) in a standalone clinic address are more likely to have in-office procedure capability than those whose practice address is a hospital department. Subspecialty taxonomy also helps: "Otolaryngology, Facial Plastic Surgery" practitioners are more likely to have office-based procedure rooms than general ENT hospitalists. Supplement NPI data with state medical board listings for confirmation.
Data methodology
All provider counts in this article come from direct queries to the CMS NPI Registry API v2.1,
run on June 12, 2026. We used endpoint https://npiregistry.cms.hhs.gov/api/
with version=2.1, taxonomy_description=Otolaryngology,
and limit=200. No authentication required.
When result_count equals 200 the actual total exceeds 200 and is unknown from this endpoint. Counts below 200 are exact totals for that query.
Raw responses: npi-otolaryngology-memphis-tn-raw.json, npi-otolaryngology-vermont-raw.json. Collection script: _data/npi-counts-otolaryngology.ps1.
Related guides
- How to search the NPI registry (full guide) — complete API reference and the taxonomy_description quirk explained.
- What is an NPI number and what can you look up? — NPI types, fields, and data freshness.
- How to find physicians by specialty and state — state-level NPI searches across multiple specialties.
- How to find urologists by zip code — another surgical specialty with distinct subspecialty taxonomy splits.
- How to find dermatologists by zip code — procedure-heavy specialty with Mohs surgery taxonomy gotcha.