John Wah, M.D.
NPI 1265727580 · Internal Medicine Physician · Westminster, MD
Enrolled with Medicare as Practitioner - Geriatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Wah, M.D. is a Internal Medicine Physician provider in Westminster, MD (NPI 1265727580).
Provider details
- NPI number
- 1265727580
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- D0077578 (MD)
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
15 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
3,010 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) |
|---|---|---|
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 1,186 | $138 |
| Complex Chronic Care Management Services for Two Or More Chronic Conditions, First 60 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99487 | 788 | $131 |
| Advance Care Planning, First 30 Minutes99497 | 309 | $78 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 240 | $92 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 183 | $169 |
| Telephone Medical Discussion With Physician, 21-30 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 101 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 293 | 44 |
| Atorvastatin Calcium | 264 | 55 |
| Apixabanbrand: Eliquis | 242 | 29 |
| Furosemide | 184 | 33 |
| Sertraline Hcl | 152 | 22 |
| Metoprolol Tartrate | 108 | 22 |
| Pantoprazole Sodium |
Practice location
Mailing address
Additional practice locations (1)
- 7309 2nd AveSykesville, MD 21784-7531Phone: (410) 795-1100Fax: (410) 848-5629
Registry dates
- Enumerated
- 2011-06-15
- Last updated
- 2025-11-12
- Certified
- 2025-11-12
Frequently asked questions
- What is John Wah's NPI number?
- John Wah's National Provider Identifier (NPI) is 1265727580, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Wah's specialty?
- John Wah is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Wah located?
- John Wah's practice location on file with NPPES is 77 E Main St Ste 215, Westminster, MD 21157-5037.
- What is John Wah's phone number?
- The practice phone number listed in the NPPES registry for John Wah is (410) 871-8104.
- Does John Wah accept Medicare?
- John Wah is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Wah's NPI active?
- Yes — John Wah's NPI (1265727580) is active in the NPPES registry as of the last update on 2025-11-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.