PROVIDER PROFILE · NPI 1881628451

Annamalai VeerappanM.D.

PRACTICEWASHINGTON MEDICAL GROUPSee all providers at this practice →

GastroenterologyFremont, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

697

Unique beneficiaries

—

Total services

796

Distinct HCPCS

Medicare payment

$93K

Peer benchmark

Total Medicare services vs. 1,398 Gastroenterology providers in CA — above median (cohort median 750).

PRESCRIBING · PART D · 2024

Total Rx claims

1,155

Beneficiaries

—

Total drug cost

$459K

Distinct drugs

Brand share

35.1%

Top prescribed drugs

Pantoprazole Sodium425 claims

Sodium Chloride/Nahco3/Kcl/Peg121 claims

Omeprazole111 claims

Sodium, Potassium,mag Sulfates75 claims

Linaclotide62 claims

QUALITY · MIPS · 2024

Final MIPS score

87.7

Quality

66.5

Cost

76.0

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.54%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$104

Payment records

By payment type

Food and Beverage$104

REFERRAL NETWORK

Where Annamalai Veerappan'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). 41 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Mimi Lin Diagnostic Radiology · Fremont, CA	99	391
Jacob Wouden Diagnostic Radiology · Fremont, CA	83	297
Horng Lin Interventional Radiology · Salinas, CA	49	237
Jessie Xiong Pathology · Fremont, CA	35	96
Bala Annadurai Internal Medicine · Fremont, CA	34	250
ENGERS, JOHN	32	179
KOLLURU, GOPALA	31	366
Prasad Katta Endocrinology · Fremont, CA	30	326
Shakir Hyder Gastroenterology · Fremont, CA	28	213
Carl Carlson Cardiology · Fremont, CA	28	81
William Nicholson Cardiology · Fremont, CA	27	90
Royal Ambulance Inc. Ambulance Service Provider · San Leandro, CA	27	128

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