What is Robert Nussbaum's specialty?

Robert Nussbaum (NPI 1659364511) is a Medicare-billing provider whose primary specialty is Gastroenterology in Alexandria, VA.

Where does Robert Nussbaum practice?

Robert Nussbaum practices in Alexandria, VA, based on the location reported in the CMS Medicare provider datasets for NPI 1659364511.

How much does Medicare pay Robert Nussbaum?

Robert Nussbaum (NPI 1659364511) received approximately $109K in total Medicare Part B payments, serving 476 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1659364511

Robert NussbaumM.D.

GastroenterologyAlexandria, VAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

937

Unique beneficiaries

—

Total services

985

Distinct HCPCS

Medicare payment

$106K

Peer benchmark

Total Medicare services vs. 375 Gastroenterology providers in VA — above median (cohort median 781).

PRESCRIBING · PART D · 2024

Total Rx claims

596

Beneficiaries

—

Total drug cost

$60K

Distinct drugs

Brand share

39.1%

Top prescribed drugs

Sodium, Potassium,mag Sulfates158 claims

Omeprazole144 claims

Famotidine69 claims

Pantoprazole Sodium53 claims

Esomeprazole Magnesium37 claims

QUALITY · MIPS · 2024

Final MIPS score

89.1

Quality

99.1

Cost

64.5

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.59%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$125

Payment records

By payment type

Food and Beverage$125

Top paying entities

Food and Beverage$125

REFERRAL NETWORK

Where Robert Nussbaum'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
Franconia-Springfield Surgery Center, Llc Ambulatory Surgical Center · Alexandria, VA	117	141
Quest Diagnostics Incorporated Md Clinical Laboratory · Baltimore, MD	70	152
INOVA HEALTH CARE SERVICES	63	139
Cblpath, Inc Clinical Laboratory · Rye Brook, NY	43	52
David Jordan Anesthesiology · Baltimore, MD	33	37
Stephen Luck Anesthesiology · Washington, Dc, DC	29	36
Christopher Hunt Internal Medicine · Boynton Beach, FL	20	46
Tina Barberan Certified Registered Nurse Anesthetist (CRNA) · Mount Airy, MD	19	20
Joel Koslow Internal Medicine · Alexandria, VA	15	30
Manpreet Singh Internal Medicine · Alexandria, VA	11	25

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