Physician Profile
Alison Joy Leff, DO
Unclaimed ProfileAbout Dr. Leff
Based in Wynnewood, PA, Alison Joy Leff, DO is listed in the NPI registry under internal medicine. Alison graduated from Philadelphia College of Osteopathic Medicine in 2000. Medicare claims data shows Alison provided 3,071 services to 895 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (610) 642-2002
- Email not available
Practice Locations
300 E LANCASTER AVE STE 400
Wynnewood, PA 19096
Conditions Commonly Evaluated or Treated
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Procedures & services
Most searched procedures
Procedures Most Often Billed to Medicare
3,071 services · 895 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
1,800 |
| Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99349 |
348 |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
299 |
| Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more | Office visit | 99306 |
280 |
| Subsequent nursing facility care with high level of medical decision making, per day, if using time, at least 45 minutes | Office visit | 99310 |
222 |
| Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more | Office visit | 99306 |
70 |
| Residence visit for established patient with high level of medical decision making, per day, if using time, at least 60 minutes | Office visit | 99350 |
23 |
| Advance care planning, first 30 minutes | Office visit | 99497 |
18 |
| Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes | Office visit | 99344 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other internal medicines at this location 4
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 24 related providers in 3 groups
Other internal medicines in Wynnewood 8
Same specialty, same city.
Trained at Philadelphia College of Osteopathic Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at Philadelphia College of Osteopathic Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Leff?
Dr. Leff is an internal medicine in Wynnewood, PA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
What is Dr. Leff's address?
Dr. Leff is listed at 300 E LANCASTER AVE STE 400, Wynnewood, PA 19096. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Leff?
The number on file is (610) 642-2002. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Leff?
Dr. Leff's National Provider Identifier is 1568499473. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Leff train?
Dr. Leff attended Philadelphia College of Osteopathic Medicine, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Leff have?
Dr. Leff has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Leff perform?
According to Medicare billing data, Dr. Leff the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Leff's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Leff. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.