What is Mark Weiss's specialty?

Mark Weiss (NPI 1699857508) is a Medicare-billing provider whose primary specialty is Internal Medicine in Philadelphia, PA.

Where does Mark Weiss practice?

Mark Weiss practices in Philadelphia, PA, based on the location reported in the CMS Medicare provider datasets for NPI 1699857508.

How much does Medicare pay Mark Weiss?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for Mark Weiss (NPI 1699857508) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1699857508

Mark Weiss

PRACTICEJEFFERSON UNIVERSITY PHYSICIANSSee all providers at this practice →

Internal MedicinePhiladelphia, PAI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$1K

Distinct drugs

Brand share

100.0%

Top prescribed drugs

Brimonidine Tartrate/Timolol15 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Mark Weiss'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). 10 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
THOMAS JEFFERSON UNIVERSITY HOSPITALS INC	102	929
Jerald Gong Pathology · Philadelphia, PA	29	420
CARABASI, MATTHEW	29	663
Stephen Peiper Pathology · Philadelphia, PA	28	247
John Wagner Medical Oncology · Charlottesville, VA	26	159
Margaret Kasner Hematology-Oncology · Philadelphia, PA	24	91
SHARMA, MANISH	23	241
KLUMPP, THOMAS	18	223
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	16	93
Laboratory Corporation Of America Holdings Clinical Laboratory · Raritan, NJ	13	119

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