Nay Seif, M.D.
NPI 1619328820 · Internal Medicine Physician · Philadelphia, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nay Seif, M.D. is a Internal Medicine Physician provider in Philadelphia, PA (NPI 1619328820).
Provider details
- NPI number
- 1619328820
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD478317 (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
9 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
529 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) |
|---|---|---|
| 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 | 148 | $17 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 133 | $120 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 108 | $142 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 53 | $72 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 50 | $88 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 204 | 52 |
| Carvedilol | 146 | 38 |
| Amlodipine Besylate | 98 | 33 |
| Pravastatin Sodium | 96 | 24 |
| Nifedipinebrand: Nifedipine Er | 90 | 23 |
| Atorvastatin Calcium | 82 | 25 |
| Famotidine | 76 | 21 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-06-29
- Last updated
- 2022-09-09
- Certified
- 2022-09-09
Frequently asked questions
- What is Nay Seif's NPI number?
- Nay Seif's National Provider Identifier (NPI) is 1619328820, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nay Seif's specialty?
- Nay Seif is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Nay Seif located?
- Nay Seif's practice location on file with NPPES is 3400 Spruce Street, Philadelphia, PA 19104-4228.
- What is Nay Seif's phone number?
- The practice phone number listed in the NPPES registry for Nay Seif is (215) 662-2638.
- Does Nay Seif accept Medicare?
- Nay Seif is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nay Seif's NPI active?
- Yes — Nay Seif's NPI (1619328820) is active in the NPPES registry as of the last update on 2022-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.