What is David Zisa's specialty?

David Zisa (NPI 1962404848) is a Medicare-billing provider whose primary specialty is Gastroenterology in Philadelphia, PA.

Where does David Zisa practice?

David Zisa practices in Philadelphia, PA, based on the location reported in the CMS Medicare provider datasets for NPI 1962404848.

How much does Medicare pay David Zisa?

David Zisa (NPI 1962404848) received approximately $31K in total Medicare Part B payments, serving 230 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1962404848

David ZisaM.D.

PRACTICENAZARETH PHYSICIAN SERVICES, INC.See all providers at this practice →

GastroenterologyPhiladelphia, PAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

296

Unique beneficiaries

—

Total services

334

Distinct HCPCS

Medicare payment

$25K

Peer benchmark

Total Medicare services vs. 771 Gastroenterology providers in PA — below median (cohort median 585).

PRESCRIBING · PART D · 2024

Total Rx claims

246

Beneficiaries

—

Total drug cost

$26K

Distinct drugs

Brand share

37.0%

Top prescribed drugs

Omeprazole84 claims

Pantoprazole Sodium57 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl35 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl18 claims

Linaclotide14 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 David Zisa'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). 72 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NAZARETH HOSPITAL	244	623
Mark Codella Gastroenterology · Philadelphia, PA	126	217
City Of Philadelphia Ambulance Service Provider · Philadelphia, PA	116	246
Michael Gold Diagnostic Radiology · Hamilton, NJ	93	181
Davindra Seelagan Diagnostic Radiology · Hamilton, NJ	81	160
Joel Neuman Diagnostic Radiology · Hamilton, NJ	66	140
FRIEDMAN, OREN	64	137
NPI 1265601132	55	92
Anna Dubyanskite Nephrology · Philadelphia, PA	55	128
Quest Diagnostics Clinical Laboratories Inc Clinical Laboratory · Norristown, PA	51	93
STERLING, MICHELLE	46	80
Yelena Mushiyakh Nephrology · Philadelphia, PA	44	84

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