PROVIDER PROFILE · NPI 1528122595

Keith ObsteinMD, MPH

PRACTICEVANDERBILT UNIVERSITYSee all providers at this practice →

GastroenterologyNashville, TNI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

168

Unique beneficiaries

—

Total services

175

Distinct HCPCS

Medicare payment

$19K

Peer benchmark

Total Medicare services vs. 258 Gastroenterology providers in TN — bottom quintile (cohort median 809).

PRESCRIBING · PART D · 2024

Total Rx claims

287

Beneficiaries

—

Total drug cost

$22K

Distinct drugs

Brand share

54.7%

Top prescribed drugs

Peg3350/Sod Sulf,bicarb,cl/Kcl79 claims

Omeprazole65 claims

Peg3350/Sod Sulf,bicarb,cl/Kcl43 claims

Pantoprazole Sodium29 claims

Esomeprazole Magnesium14 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 Keith Obstein'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). 5 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
VANDERBILT UNIVERSITY MEDICAL CENTER	147	548
Meera Chandrashekar Anesthesiology · Nashville, TN	16	30
Chanjuan Shi Pathology · Nashville, TN	15	30
MCDONALD, EDWARD	13	26
Adam Guttentag Diagnostic Radiology · Nashville, TN	12	19

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