Raza Hasan, M.D.
NPI 1639519887 · Gastroenterology Physician · Annapolis, MD
Enrolled with Medicare as Practitioner - Gastroenterology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Raza Hasan, M.D. is a Gastroenterology Physician provider in Annapolis, MD (NPI 1639519887).
Provider details
- NPI number
- 1639519887
- Entity type
- Individual
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0089228 (MD)
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
12 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
1,215 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 | 247 | $132 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 224 | $93 |
| Removal of Polyps Or Growths of Large Bowel Using an Endoscope With Mechanical Snare45385 | 171 | $257 |
| Biopsy of Esophagus, Stomach, And/Or Upper Small Bowel Using a Flexible Endoscope43239 | 146 | $90 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 140 | $174 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 18 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Famotidine | 221 | 89 |
| Pantoprazole Sodium | 204 | 83 |
| Omeprazole | 56 | 18 |
| Dicyclomine Hcl | 36 | 22 |
| Linaclotidebrand: Linzess | 30 | 19 |
| Dexlansoprazolebrand: Dexlansoprazole Dr | 28 | — |
| Amitriptyline Hcl | 22 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,444 across 67 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
- 2013-07-02
- Last updated
- 2020-06-16
- Certified
- 2020-06-16
Frequently asked questions
- What is Raza Hasan's NPI number?
- Raza Hasan's National Provider Identifier (NPI) is 1639519887, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Raza Hasan's specialty?
- Raza Hasan is listed in the NPPES registry with a primary specialty of Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Raza Hasan located?
- Raza Hasan's practice location on file with NPPES is 820 Bestgate Rd Ste 2a, Annapolis, MD 21401-3404.
- What is Raza Hasan's phone number?
- The practice phone number listed in the NPPES registry for Raza Hasan is (410) 224-2116.
- Does Raza Hasan accept Medicare?
- Raza Hasan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Raza Hasan's NPI active?
- Yes — Raza Hasan's NPI (1639519887) is active in the NPPES registry as of the last update on 2020-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.