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PROVIDER PROFILE · NPI 1073551362

John TamM.D.

AnesthesiologyRockville, MDI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where John Tam'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 · 19 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Shyamala Yennam
Pathology · Brunswick, GA
2526
Quest Diagnostics Incorporated Md
Clinical Laboratory · Baltimore, MD
2031
William Stern
Gastroenterology · Rockville, MD
1616
LEVIN, SHEILA1212
Lawrence Bassin
Gastroenterology · Rockville, MD
1214
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Rockville Md Endoscopy Asc Llc
Ambulatory Surgical Center · Rockville, MD
233253
Laboratory Corporation Of America Holdings
Clinical Laboratory · Burlington, NC
4557
Jan Zincke
Pathology · Bowie, MD
3739
Matthew Kirkbride
Pathology · Bowie, MD
3739
Henry Bell
Pathology · Columbia, MD
3536
William Stern
Gastroenterology · Rockville, MD
3035
Tu-Anh Chu
Pathology · Bowie, MD
2930
Alan Schulman
Internal Medicine · Rockville, MD
2831
David Jager
Gastroenterology · Rockville, MD
2730
NPI 11644126072425
Neil Julie
Gastroenterology · Rockville, MD
2329
WITTEN, VICTOR2226
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.
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
341
Unique beneficiaries
—
Total services
345
Distinct HCPCS
4
Medicare payment
$38K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 814 Anesthesiology providers in MD — above median (cohort median 223).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$198
Payment records
9
By payment type
Food and Beverage$198