Hazel Yang, M.D.
NPI 1831196807 · Endocrinology, Diabetes & Metabolism Physician · Ashland, KY
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hazel Yang, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Ashland, KY (NPI 1831196807).
Provider details
- NPI number
- 1831196807
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 29156 (KY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,296 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 | 940 | $90 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 178 | $32 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 98 | $24 |
| Ultrasound Scan of Head and Neck Soft Tissue76536 | 32 | $25 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 28 | $120 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 20 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 91 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 1,996 | 483 |
| Semaglutidebrand: Ozempic | 1,039 | 166 |
| Levothyroxine Sodiumbrand: Synthroid | 517 | 115 |
| Pioglitazone Hcl | 485 | 122 |
| Empagliflozinbrand: Jardiance | 481 | 106 |
| Metformin Hcl | 467 | 124 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$914 across 50 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
Registry dates
- Enumerated
- 2005-07-05
- Last updated
- 2011-03-14
Frequently asked questions
- What is Hazel Yang's NPI number?
- Hazel Yang's National Provider Identifier (NPI) is 1831196807, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hazel Yang's specialty?
- Hazel Yang is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Hazel Yang located?
- Hazel Yang's practice location on file with NPPES is 2025 Carter Ave, Ashland, KY 41101-7731.
- What is Hazel Yang's phone number?
- The practice phone number listed in the NPPES registry for Hazel Yang is (606) 325-1894.
- Does Hazel Yang accept Medicare?
- Hazel Yang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hazel Yang's NPI active?
- Yes — Hazel Yang's NPI (1831196807) is active in the NPPES registry as of the last update on 2011-03-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.