What is Gretchen Perilli's specialty?

Gretchen Perilli (NPI 1043306343) is a Medicare-billing provider whose primary specialty is Internal Medicine in Allentown, PA.

Where does Gretchen Perilli practice?

Gretchen Perilli practices in Allentown, PA, based on the location reported in the CMS Medicare provider datasets for NPI 1043306343.

How much does Medicare pay Gretchen Perilli?

Gretchen Perilli (NPI 1043306343) received approximately $69K in total Medicare Part B payments, serving 275 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1043306343

Gretchen PerilliMD

PRACTICELEHIGH VALLEY PHYSICIAN GROUPSee all providers at this practice →

Internal MedicineAllentown, PAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

437

Unique beneficiaries

—

Total services

755

Distinct HCPCS

Medicare payment

$44K

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

1,033

Beneficiaries

—

Total drug cost

$511K

Distinct drugs

Brand share

52.2%

Top prescribed drugs

Levothyroxine Sodium205 claims

Semaglutide92 claims

Levothyroxine Sodium81 claims

Tirzepatide69 claims

Atorvastatin Calcium64 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$15

Payment records

By payment type

Food and Beverage$15

Top paying entities

Food and Beverage$15

FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 390133

Hospital

REFERRAL NETWORK

Where Gretchen Perilli'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). 51 inbound referrers · 74 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
LEHIGH VALLEY HOSPITAL	193	537
Bret Kricun Diagnostic Radiology · Philadelphia, PA	44	127
PAYONK, CYNTHIA	39	112
Michael Vichnin Diagnostic Radiology · Allentown, PA	37	78
Gregory Altemose Clinical Cardiac Electrophysiology · Miramar Beach, FL	37	100
GOLDNER, DAVID	36	118
Christopher Brown Diagnostic Radiology · Allentown, PA	34	126
Norman Marcus Clinical Cardiac Electrophysiology · Allentown, PA	31	63
Robert Rienzo Diagnostic Radiology · Allentown, PA	31	89
Kenneth Kurtz Diagnostic Radiology · Allentown, PA	30	86
Ramprasad Gadi Internal Medicine · West Chester, PA	26	170
Wen Young Diagnostic Radiology · Allentown, PA	25	70

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
LEHIGH VALLEY HOSPITAL	133	354
Health Network Laboratories, Llc Clinical Laboratory · Allentown, PA	113	502
PAYONK, CYNTHIA	41	142
Robert Mccauley Endocrinology · Allentown, PA	41	241
Stanley Benzel Diagnostic Radiology · Allentown, PA	34	120
MCGEEHIN, DEBRA	27	77
Bret Kricun Diagnostic Radiology · Philadelphia, PA	27	72
Marc Vengrove Endocrinology · Allentown, PA	27	71
Robert Rienzo Diagnostic Radiology · Allentown, PA	26	67
Sharon Maynard Nephrology · Allentown, PA	26	79
Christopher Brown Diagnostic Radiology · Allentown, PA	25	88
Mal Homan Endocrinology · Allentown, PA	23	162

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