Thomas Stewart, M.D.
NPI 1558576371 · Otolaryngology Physician · Chico, CA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Thomas Stewart, M.D. is a Otolaryngology Physician provider in Chico, CA (NPI 1558576371).
Provider details
- NPI number
- 1558576371
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A97950 (CA)
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
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,677 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 551 | $65 |
| Removal of Impacted Ear Wax69210 | 293 | $31 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 259 | $96 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 243 | $130 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 | 101 | $68 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Ipratropium Bromide | 193 | 81 |
| Montelukast Sodium | 172 | 57 |
| Fluticasone Propionate | 155 | 80 |
| Azelastine Hcl | 131 | 72 |
| Ofloxacin | 38 | 24 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 30 | 28 |
| Ciprofloxacin Hcl/Dexamethbrand: Ciprofloxacin-Dexamethasone | 26 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-14
- Last updated
- 2012-12-10
Frequently asked questions
- What is Thomas Stewart's NPI number?
- Thomas Stewart's National Provider Identifier (NPI) is 1558576371, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Thomas Stewart's specialty?
- Thomas Stewart is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Thomas Stewart located?
- Thomas Stewart's practice location on file with NPPES is 135 Mission Ranch Blvd, Chico, CA 95926-2175.
- What is Thomas Stewart's phone number?
- The practice phone number listed in the NPPES registry for Thomas Stewart is (530) 342-2411.
- Does Thomas Stewart accept Medicare?
- Thomas Stewart is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Thomas Stewart's NPI active?
- Yes — Thomas Stewart's NPI (1558576371) is active in the NPPES registry as of the last update on 2012-12-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.