Hilary Thomas, MD
NPI 1639375801 · Endocrinology, Diabetes & Metabolism Physician · Asheville, NC
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hilary Thomas, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Asheville, NC (NPI 1639375801).
Provider details
- NPI number
- 1639375801
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A111614 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
2,877 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 440 | $123 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 314 | $9 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 274 | $16 |
| Hemoglobin A1c Level83036 | 271 | $9 |
| Blood Test, Thyroid Stimulating Hormone (tsh)84443 | 241 | $16 |
| Thyroxine (thyroid Chemical), Free84439 | 240 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 65 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 387 | 107 |
| Semaglutidebrand: Ozempic | 205 | 66 |
| Levothyroxine Sodiumbrand: Synthroid | 192 | 52 |
| Insulin Glargine,hum.rec.anlogbrand: Lantus Solostar | 164 | 57 |
| Empagliflozinbrand: Jardiance | 158 | 39 |
| Metformin Hcl | 142 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,099 across 34 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 400 Parnassus AveSuite 550San Francisco, CA 94143-2202Phone: (415) 353-2350
Registry dates
- Enumerated
- 2007-06-25
- Last updated
- 2025-07-08
- Certified
- 2025-07-08
Frequently asked questions
- What is Hilary Thomas's NPI number?
- Hilary Thomas's National Provider Identifier (NPI) is 1639375801, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hilary Thomas's specialty?
- Hilary Thomas is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Hilary Thomas located?
- Hilary Thomas's practice location on file with NPPES is 750 Alliance Ct, Asheville, NC 28806-2248.
- What is Hilary Thomas's phone number?
- The practice phone number listed in the NPPES registry for Hilary Thomas is (828) 670-6812.
- Does Hilary Thomas accept Medicare?
- Hilary Thomas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hilary Thomas's NPI active?
- Yes — Hilary Thomas's NPI (1639375801) is active in the NPPES registry as of the last update on 2025-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.