What is Olga Garshyna's specialty?

Olga Garshyna (NPI 1508040585) is a Medicare-billing provider whose primary specialty is Internal Medicine in Pasadena, CA.

Where does Olga Garshyna practice?

Olga Garshyna practices in Pasadena, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1508040585.

How much does Medicare pay Olga Garshyna?

Olga Garshyna (NPI 1508040585) received approximately $96K in total Medicare Part B payments, serving 376 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1508040585

Olga GarshynaMD

Internal MedicinePasadena, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

621

Unique beneficiaries

—

Total services

1,355

Distinct HCPCS

Medicare payment

$95K

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

274

Beneficiaries

—

Total drug cost

$27K

Distinct drugs

Brand share

32.5%

Top prescribed drugs

Amlodipine Besylate28 claims

Ondansetron26 claims

Ciprofloxacin Hcl23 claims

Prednisone21 claims

Furosemide18 claims

QUALITY · MIPS · 2024

Final MIPS score

89.1

Quality

87.7

Cost

74.9

Improvement activities

40.0

Promoting interop.

96.0

Payment adjustment

0.59%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2025

No data available for this provider in 2025.

REFERRAL NETWORK

Where Olga Garshyna'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). 40 inbound referrers · 63 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
PASADENA HOSPITAL ASSOCIATION, LTD	279	777
Warren Lam Diagnostic Radiology · Pasadena, CA	125	572
Andy Wang Diagnostic Radiology · Pasadena, CA	76	247
City Of Pasadena Ambulance Service Provider · Pasadena, CA	62	146
Andrew Harris Diagnostic Radiology · San Diego, CA	50	152
Gregory Giesler Cardiology · Pasadena, CA	46	212
Heather Moreno Diagnostic Radiology · Pasadena, CA	44	107
Christopher Hedley Diagnostic Radiology · Pasadena, CA	41	149
Saadia Chaudhary Diagnostic Radiology · Pasadena, CA	38	136
Richard Reed Diagnostic Radiology · Pasadena, CA	38	120
Babak Yaghmai Diagnostic Radiology · Pasadena, CA	32	167
Unilab Corporation Clinical Laboratory · West Hills, CA	32	85

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
Hengameh Monsef Internal Medicine · Los Angeles, CA	84	534
Angelos Konstas Diagnostic Radiology · Pasadena, CA	77	219
PASADENA HOSPITAL ASSOCIATION, LTD	75	222
Warren Lam Diagnostic Radiology · Pasadena, CA	73	355
Reema Munir Diagnostic Radiology · Pasadena, CA	63	213
Andrew King Diagnostic Radiology · Pasadena, CA	61	170
Jimmy Kang Diagnostic Radiology · Pasadena, CA	56	180
Raul Roth Cardiology · Pasadena, CA	55	162
Leonard Petrus Diagnostic Radiology · Pasadena, CA	48	131
Andy Wang Diagnostic Radiology · Pasadena, CA	46	131
Gary Conrad Internal Medicine · Pasadena, CA	46	118
Babak Tashakkor Cardiology · Arcadia, CA	39	154

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