PROVIDER PROFILE · NPI 1770597387

Ratul ChatterjeeM.D.

Internal MedicineHuntington Beach, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

1,455

Unique beneficiaries

—

Total services

5,454

Distinct HCPCS

Medicare payment

$502K

Peer benchmark

Total Medicare services vs. 10,499 Internal Medicine providers in CA — top quintile (cohort median 531).

PRESCRIBING · PART D · 2024

Total Rx claims

14,056

Beneficiaries

—

Total drug cost

$1.3M

Distinct drugs

165

Brand share

21.3%

Top prescribed drugs

Atorvastatin Calcium1,227 claims

Losartan Potassium656 claims

Levothyroxine Sodium632 claims

Amlodipine Besylate348 claims

Pantoprazole Sodium323 claims

QUALITY · MIPS · 2024

Final MIPS score

83.7

Quality

75.7

Cost

71.4

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.36%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$909

Payment records

By payment type

Food and Beverage$909

REFERRAL NETWORK

Where Ratul Chatterjee'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). 27 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
MEDICAL SCIENCES LABORATORY INC.	180	1,280
Unilab Corporation Clinical Laboratory · West Hills, CA	128	684
Frederick Birnberg Diagnostic Radiology · Newport Beach, CA	46	171
Winston Whitney Diagnostic Radiology · Newport Beach, CA	43	128
William Vandalsem Diagnostic Radiology · Newport Beach, CA	30	113
Shaya Ghazinoor Diagnostic Radiology · Newport Beach, CA	27	80
Scott Williams Diagnostic Radiology · Stanford, CA	27	106
Peter Giuliano Diagnostic Radiology · Newport Beach, CA	26	63
Michael Roossin Diagnostic Radiology · Newport Beach, AR	23	72
HERREN ENTERPRISES INC	22	53
Unilab Corporation Clinical Laboratory · Orange, CA	19	67
Marnie Kremer Prill Diagnostic Radiology · Newport Beach, CA	18	45

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