Hongyan Yang, M.D.
NPI 1780996199 · Internal Medicine Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hongyan Yang, M.D. is a Internal Medicine Physician provider in Ann Arbor, MI (NPI 1780996199).
Provider details
- NPI number
- 1780996199
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 4301096405 (MI)
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 tenure28% of score
15 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
490 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 233 | $80 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 92 | $35 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 41 | $67 |
| Administration of Influenza Virus VaccineG0008 | 36 | $33 |
| 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 | 31 | $16 |
| Admn Sarscov2 Vacc 1 Dose |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 84 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 389 | 108 |
| Amlodipine Besylate | 246 | 64 |
| Levothyroxine Sodium | 241 | 66 |
| Lisinopril | 198 | 54 |
| Valsartan | 136 | 40 |
| Pravastatin Sodium | 126 | 35 |
| Losartan Potassium | 125 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-07-14
- Last updated
- 2016-12-27
Frequently asked questions
- What is Hongyan Yang's NPI number?
- Hongyan Yang's National Provider Identifier (NPI) is 1780996199, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hongyan Yang's specialty?
- Hongyan Yang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hongyan Yang located?
- Hongyan Yang's practice location on file with NPPES is 4350 Jackson Rd, Ann Arbor, MI 48103-1889.
- What is Hongyan Yang's phone number?
- The practice phone number listed in the NPPES registry for Hongyan Yang is (734) 761-2581.
- Does Hongyan Yang accept Medicare?
- Hongyan Yang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hongyan Yang's NPI active?
- Yes — Hongyan Yang's NPI (1780996199) is active in the NPPES registry as of the last update on 2016-12-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.