PROVIDER PROFILE · NPI 1821001496

Boris RatinerM.D.

PRACTICEBORIS D RATINER, MD, INCSee all providers at this practice →

RheumatologyTarzana, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

13,727

Unique beneficiaries

—

Total services

120,382

Distinct HCPCS

Medicare payment

$1.4M

Peer benchmark

Total Medicare services vs. 530 Rheumatology providers in CA — top quintile (cohort median 1,833).

PRESCRIBING · PART D · 2024

Total Rx claims

1,791

Beneficiaries

—

Total drug cost

$2.3M

Distinct drugs

Brand share

35.8%

Top prescribed drugs

Methotrexate Sodium227 claims

Prednisone172 claims

Hydroxychloroquine Sulfate117 claims

Leflunomide113 claims

Celecoxib97 claims

QUALITY · MIPS · 2024

Final MIPS score

85.8

Quality

94.4

Cost

57.3

Improvement activities

40.0

Promoting interop.

89.0

Payment adjustment

0.46%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$5K

Payment records

264

By payment type

Food and Beverage$5K

Education$93

REFERRAL NETWORK

Where Boris Ratiner'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). 65 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	249	1,531
Jenny Oh Rheumatology · Tarzana, CA	173	1,572
Prashant Chawla Diagnostic Radiology · Chicago, IL	84	270
Luis Gonzales Physical Therapist in Private Practice · Glendale, CA	71	618
WEST HILLS HOSPITAL	63	253
DIGNITY COMMUNITY CARE	62	254
WEST COAST CLINICAL LABORATORIES, INC.	51	220
City Of Los Angeles Ambulance Service Provider · Los Angeles, CA	50	133
Eli Bendavid Diagnostic Radiology · Tarzana, CA	42	138
Larisa Magid Physician Assistant · Tarzana, CA	41	114
Farhad Houriani Diagnostic Radiology · North Hollywood, CA	38	300
Jack Chen Diagnostic Radiology · Tarzana, CA	37	167

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