Alison Leff, DO
NPI 1568499473 · Internal Medicine Physician · Wynnewood, PA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alison Leff, DO is a Internal Medicine Physician provider in Wynnewood, PA (NPI 1568499473).
Provider details
- NPI number
- 1568499473
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- OS013095 (PA)
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
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
3,071 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) |
|---|---|---|
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 1,800 | $109 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 348 | $129 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 299 | $109 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 280 | $184 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 222 | $156 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 210 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 831 | 115 |
| Apixabanbrand: Eliquis | 667 | 52 |
| Gabapentin | 560 | 77 |
| Amlodipine Besylate | 485 | 62 |
| Furosemide | 381 | 66 |
| Trazodone Hcl | 353 | 46 |
| Sertraline Hcl |
Practice location
Mailing address
Additional practice locations (1)
- 306 E Lancaster Ave Fl 4Wynnewood, PA 19096-2105Phone: (484) 476-7222Fax: (484) 476-7853
Registry dates
- Enumerated
- 2006-06-27
- Last updated
- 2018-01-03
Frequently asked questions
- What is Alison Leff's NPI number?
- Alison Leff's National Provider Identifier (NPI) is 1568499473, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alison Leff's specialty?
- Alison Leff is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Alison Leff located?
- Alison Leff's practice location on file with NPPES is 300 E Lancaster Ave Ste 400, Wynnewood, PA 19096-2139.
- What is Alison Leff's phone number?
- The practice phone number listed in the NPPES registry for Alison Leff is (610) 642-2002.
- Does Alison Leff accept Medicare?
- Alison Leff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alison Leff's NPI active?
- Yes — Alison Leff's NPI (1568499473) is active in the NPPES registry as of the last update on 2018-01-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.