What is Walter Lin's specialty?

Walter Lin (NPI 1952481913) is a Medicare-billing provider whose primary specialty is Internal Medicine in Saint Louis, MO.

Where does Walter Lin practice?

Walter Lin practices in Saint Louis, MO, based on the location reported in the CMS Medicare provider datasets for NPI 1952481913.

How much does Medicare pay Walter Lin?

Walter Lin (NPI 1952481913) received approximately $73K in total Medicare Part B payments, serving 265 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1952481913

Walter LinMD, MBA

Internal MedicineSaint Louis, MOI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

569

Unique beneficiaries

—

Total services

735

Distinct HCPCS

Medicare payment

$62K

Peer benchmark

Total Medicare services vs. 1,563 Internal Medicine providers in MO — above median (cohort median 658).

PRESCRIBING · PART D · 2024

Total Rx claims

26,936

Beneficiaries

—

Total drug cost

$788K

Distinct drugs

195

Brand share

16.7%

Top prescribed drugs

Atorvastatin Calcium1,684 claims

Amlodipine Besylate1,332 claims

Levothyroxine Sodium1,085 claims

Furosemide797 claims

Lisinopril770 claims

QUALITY · MIPS · 2024

No data available for this provider in 2024.

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

Total received

$16

Payment records

By payment type

Food and Beverage$16

Top paying entities

Food and Beverage$16

REFERRAL NETWORK

Where Walter Lin'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). 32 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
LUTHERAN SENIOR SERVICES	175	1,319
MISSOURI BAPTIST MEDICAL CENTER	79	449
GATEWAY AMBULANCE SERVICE LLC	60	290
MERCY HOSPITALS EAST COMMUNITIES	43	254
BOYCE - BYNUM PATHOLOGY LABORATORIES, INC	43	498
ST. LUKES EPISCOPAL-PRESBYTERIAN HOSPITAL	37	222
Kaori Sakurai Internal Medicine · Saint Louis, MO	34	253
Peter Holtz Diagnostic Radiology · Chesterfield, MO	28	264
Kelby Napier Diagnostic Radiology · Saint Louis, MO	27	227
NPI 1407879562	26	157
City Of Webster Groves Ambulance Service Provider · Webster Groves, MO	24	119
Bradley Baker Interventional Radiology · Saint Louis, MO	20	113

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