Hassan Nasser, M.D.
NPI 1912961665 · Internal Medicine Physician · Baltimore, MD
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Hassan Nasser, M.D. is a Internal Medicine Physician provider in Baltimore, MD (NPI 1912961665).
Provider details
- NPI number
- 1912961665
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0053617 (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
20 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
1,937 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 | 963 | $103 |
| 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 | 407 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 256 | $133 |
| Administration of Influenza Virus VaccineG0008 | 132 | $34 |
| Admn Sarscov2 Vacc 1 Dose90480 | 69 | $44 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 133 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 727 | 229 |
| Amlodipine Besylate | 601 | 192 |
| Metoprolol Succinate | 360 | 113 |
| Losartan Potassium | 304 | 99 |
| Metformin Hcl | 271 | 81 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 267 | 98 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-04-12
- Last updated
- 2016-04-25
Frequently asked questions
- What is Hassan Nasser's NPI number?
- Hassan Nasser's National Provider Identifier (NPI) is 1912961665, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Hassan Nasser's specialty?
- Hassan Nasser is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Hassan Nasser located?
- Hassan Nasser's practice location on file with NPPES is 200 E 33rd St, Baltimore, MD 21218-3322.
- What is Hassan Nasser's phone number?
- The practice phone number listed in the NPPES registry for Hassan Nasser is (410) 554-6740.
- Does Hassan Nasser accept Medicare?
- Hassan Nasser is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Hassan Nasser's NPI active?
- Yes — Hassan Nasser's NPI (1912961665) is active in the NPPES registry as of the last update on 2016-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.