Zachary Douglas, MD
NPI 1437643574 · Otolaryngology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zachary Douglas, MD is a Otolaryngology Physician provider in Saint Louis, MO (NPI 1437643574).
Provider details
- NPI number
- 1437643574
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 2023028372 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
754 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 187 | $106 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 117 | $86 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 110 | $157 |
| Removal of Impacted Ear Wax69210 | 90 | $43 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 90 | $122 |
| Diagnostic Exam of Nasal Passages Using an Endoscope31231 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone Propionate | 275 | 129 |
| Omeprazole | 88 | 39 |
| Azelastine Hcl | 87 | 48 |
| Ipratropium Bromide | 79 | 35 |
| Fluocinolone Acetonide Oil | 45 | 39 |
| Methylprednisolone | 27 | 25 |
| Pantoprazole Sodium | 27 | 12 |
Practice location
Mailing address
Additional practice locations (1)
- 1 Barnes Jewish Hospital PlzSaint Louis, MO 63110-1003Phone: (314) 362-5000
Registry dates
- Enumerated
- 2018-06-21
- Last updated
- 2023-08-01
- Certified
- 2023-08-01
Frequently asked questions
- What is Zachary Douglas's NPI number?
- Zachary Douglas's National Provider Identifier (NPI) is 1437643574, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zachary Douglas's specialty?
- Zachary Douglas is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Zachary Douglas located?
- Zachary Douglas's practice location on file with NPPES is 3009 N Ballas Rd Ste 380c, Saint Louis, MO 63131-2324.
- What is Zachary Douglas's phone number?
- The practice phone number listed in the NPPES registry for Zachary Douglas is (314) 996-4790.
- Does Zachary Douglas accept Medicare?
- Zachary Douglas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zachary Douglas's NPI active?
- Yes — Zachary Douglas's NPI (1437643574) is active in the NPPES registry as of the last update on 2023-08-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.