PROVIDER PROFILE · NPI 1710917315

Tien LamM.D.

PRACTICEJOHN MUIR PHYSICIAN NETWORKSee all providers at this practice →

Family PracticeWalnut Creek, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,107

Unique beneficiaries

—

Total services

1,605

Distinct HCPCS

Medicare payment

$73K

Peer benchmark

Total Medicare services vs. 8,228 Family Practice providers in CA — top quintile (cohort median 411).

PRESCRIBING · PART D · 2024

Total Rx claims

3,634

Beneficiaries

—

Total drug cost

$207K

Distinct drugs

Brand share

14.8%

Top prescribed drugs

Rosuvastatin Calcium458 claims

Atorvastatin Calcium409 claims

Amlodipine Besylate256 claims

Levothyroxine Sodium246 claims

Losartan Potassium151 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$846

Payment records

By payment type

Food and Beverage$846

Top paying entities

Food and Beverage$846

REFERRAL NETWORK

Where Tien Lam'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). 8 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Jonathan Posin Diagnostic Radiology · Walnut Creek, CA	19	49
Angelo Crudale Diagnostic Radiology · Walnut Creek, CA	18	33
Sunil Gandhi Diagnostic Radiology · Walnut Creek, CA	16	26
David Woo Diagnostic Radiology · Walnut Creek, CA	13	26
JOHN MUIR HEALTH	13	43
Ming Fang Gastroenterology · Walnut Creek, CA	12	19
Priti Patel Family Practice · Walnut Creek, CA	12	28
Eric Chen Interventional Radiology · Los Angeles, CA	11	24

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