What is Alison Leff's specialty?

Alison Leff (NPI 1568499473) is a Medicare-billing provider whose primary specialty is Internal Medicine in Wynnewood, PA.

Where does Alison Leff practice?

Alison Leff practices in Wynnewood, PA, based on the location reported in the CMS Medicare provider datasets for NPI 1568499473.

How much does Medicare pay Alison Leff?

Alison Leff (NPI 1568499473) received approximately $299K in total Medicare Part B payments, serving 472 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1568499473

Alison LeffDO

Internal MedicineWynnewood, PAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

895

Unique beneficiaries

—

Total services

3,071

Distinct HCPCS

Medicare payment

$296K

Peer benchmark

Total Medicare services vs. 4,434 Internal Medicine providers in PA — top quintile (cohort median 550).

PRESCRIBING · PART D · 2024

Total Rx claims

14,811

Beneficiaries

—

Total drug cost

$1.0M

Distinct drugs

196

Brand share

22.6%

Top prescribed drugs

Atorvastatin Calcium831 claims

Apixaban667 claims

Gabapentin560 claims

Amlodipine Besylate485 claims

Furosemide381 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where Alison Leff's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 16 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NORWALK HOSPITAL ASSOCIATION	140	853
Quest Diagnostics Llc Clinical Laboratory · Wallingford, CT	93	500
Heather Frimmer Diagnostic Radiology · Norwalk, CT	31	75
MAIN LINE HOSPITALS, INC.	24	56
MICHAELSON, STEPHEN	23	73
Ryan Crawford Diagnostic Radiology · Portland, OR	23	60
NORWALK HOSPITAL ASSOCIATION	22	88
Ralph Kirmser Cardiology · Norwalk, CT	19	74
David Klein Diagnostic Radiology · Norwalk, CT	17	46
James Samuel Internal Medicine · Norwalk, CT	17	63
Ronald Lee Diagnostic Radiology · Norwalk, CT	16	44
Charles Augenbraun Cardiology · Norwalk, CT	14	37

Refers patients to

Outbound — where patients go next

No outbound pairs above the suppression threshold.

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events