Marvin Witt, MD
NPI 1891892915 · Internal Medicine Physician · New York, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marvin Witt, MD is a Internal Medicine Physician provider in New York, NY (NPI 1891892915).
Provider details
- NPI number
- 1891892915
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 1734951 (NY)
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
19 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
25 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 | 25 | $144 |
Typical Medicare-allowed amounts for these services range $144–$144 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 41 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 107 | 48 |
| Rosuvastatin Calcium | 107 | 54 |
| Amlodipine Besylate | 104 | 51 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 76 | 25 |
| Metoprolol Succinate | 63 | 28 |
| Lisinopril | 55 | 24 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2019-10-01
Frequently asked questions
- What is Marvin Witt's NPI number?
- Marvin Witt's National Provider Identifier (NPI) is 1891892915, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marvin Witt's specialty?
- Marvin Witt is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marvin Witt located?
- Marvin Witt's practice location on file with NPPES is 590 Fifth Avenue, New York, NY 10036-4702.
- What is Marvin Witt's phone number?
- The practice phone number listed in the NPPES registry for Marvin Witt is (212) 582-7117.
- Does Marvin Witt accept Medicare?
- Marvin Witt is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marvin Witt's NPI active?
- Yes — Marvin Witt's NPI (1891892915) is active in the NPPES registry as of the last update on 2019-10-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.