David Pfaff, M.D.
NPI 1639276447 · Internal Medicine Physician · Staten Island, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Pfaff, M.D. is a Internal Medicine Physician provider in Staten Island, NY (NPI 1639276447).
Provider details
- NPI number
- 1639276447
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 162899 (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
2,324 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 | 715 | $147 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 450 | $72 |
| Chronic Care Management Services for Two Or More Chronic Conditions, First 30 Minutes Provided Personally By Health Care Professional, Per Calendar Month99491 | 268 | $96 |
| Administration of Influenza Virus VaccineG0008 | 142 | $37 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 129 | $149 |
| Annual, Face-To-Face Intensive Behavioral Therapy for Cardiovascular Disease, Individual, 15 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 48 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 157 | 44 |
| Atorvastatin Calcium | 140 | 38 |
| Amlodipine Besylate | 117 | 31 |
| Famotidine | 89 | 26 |
| Ezetimibe | 82 | 24 |
| Tirzepatidebrand: Mounjaro | 77 | 11 |
| Metoprolol Succinate | 76 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-20
- Last updated
- 2019-12-10
- Certified
- 2019-12-10
Frequently asked questions
- What is David Pfaff's NPI number?
- David Pfaff's National Provider Identifier (NPI) is 1639276447, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Pfaff's specialty?
- David Pfaff is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Pfaff located?
- David Pfaff's practice location on file with NPPES is 420 Lyndale Ave, Staten Island, NY 10312-6131.
- What is David Pfaff's phone number?
- The practice phone number listed in the NPPES registry for David Pfaff is (718) 667-6776.
- Does David Pfaff accept Medicare?
- David Pfaff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Pfaff's NPI active?
- Yes — David Pfaff's NPI (1639276447) is active in the NPPES registry as of the last update on 2019-12-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.