Waliul Chowdhury, M.D,
NPI 1023639416 · Internal Medicine Physician · Pittsburgh, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Waliul Chowdhury, M.D, is a Internal Medicine Physician provider in Pittsburgh, PA (NPI 1023639416).
Provider details
- NPI number
- 1023639416
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D,
- Sex
- Male
- Sole proprietor
- No
- License
- MT220199 (PA)
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
6 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
1,141 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 Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 381 | $111 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 329 | $73 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 175 | $106 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 144 | $161 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 50 | $75 |
| Critical Care, First 30-74 Minutes99291 | 49 | $200 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefdinir | 50 | 49 |
| Prednisone | 41 | 34 |
| Furosemide | 30 | 25 |
| Metoprolol Succinate | 24 | 16 |
| Atorvastatin Calcium | 23 | 22 |
| Azithromycin | 15 | 12 |
| Pantoprazole Sodium | 15 | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-04-27
- Last updated
- 2022-04-25
- Certified
- 2022-04-25
Frequently asked questions
- What is Waliul Chowdhury's NPI number?
- Waliul Chowdhury's National Provider Identifier (NPI) is 1023639416, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Waliul Chowdhury's specialty?
- Waliul Chowdhury is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Waliul Chowdhury located?
- Waliul Chowdhury's practice location on file with NPPES is 1400 Locust St. Upmc Mercy Hospital, Pittsburgh, PA 15219.
- What is Waliul Chowdhury's phone number?
- The practice phone number listed in the NPPES registry for Waliul Chowdhury is (412) 232-8111.
- Does Waliul Chowdhury accept Medicare?
- Waliul Chowdhury is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Waliul Chowdhury's NPI active?
- Yes — Waliul Chowdhury's NPI (1023639416) is active in the NPPES registry as of the last update on 2022-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.