What is Gregory Tchejeyan's specialty?

Gregory Tchejeyan (NPI 1689668188) is a Medicare-billing provider whose primary specialty is Orthopedic Surgery in Thousand Oaks, CA.

Where does Gregory Tchejeyan practice?

Gregory Tchejeyan practices in Thousand Oaks, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1689668188.

How much does Medicare pay Gregory Tchejeyan?

Gregory Tchejeyan (NPI 1689668188) received approximately $465K in total Medicare Part B payments, serving 657 beneficiaries, per the CMS Medicare Physician & Other Practitioners dataset.

PROVIDER PROFILE · NPI 1689668188

Gregory TchejeyanM.D., INC

PRACTICEOGANESIAN ORTHOPEDICSSee all providers at this practice →

Orthopedic SurgeryThousand Oaks, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

2,965

Unique beneficiaries

—

Total services

21,302

Distinct HCPCS

Medicare payment

$411K

Peer benchmark

Total Medicare services vs. 1,921 Orthopedic Surgery providers in CA — top quintile (cohort median 1,100).

PRESCRIBING · PART D · 2024

Total Rx claims

477

Beneficiaries

—

Total drug cost

$4K

Distinct drugs

Brand share

50.1%

Top prescribed drugs

Oxycodone Hcl/Acetaminophen191 claims

Meloxicam127 claims

Amoxicillin48 claims

Hydrocodone/Acetaminophen33 claims

Oxycodone Hcl19 claims

QUALITY · MIPS · 2024

Final MIPS score

86.6

Quality

95.0

Cost

60.4

Improvement activities

40.0

Promoting interop.

100.0

Payment adjustment

0.49%

Individual

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

Total received

$137

Payment records

By payment type

Food and Beverage$137

Top paying entities

Food and Beverage$137

REFERRAL NETWORK

Where Gregory Tchejeyan'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). 34 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
LOS ROBLES REGIONAL MEDICAL CENTER	240	1,011
Unilab Corporation Clinical Laboratory · West Hills, CA	145	561
Specialty Surgical Center Of Westlake Village, Llc Ambulatory Surgical Center · Westlake Village, CA	56	113
David Aufrichtig Diagnostic Radiology · Thousand Oaks, CA	53	160
Sanjiv Sheel Diagnostic Radiology · Edina, MN	48	168
Barry Klein Diagnostic Radiology · Thousand Oaks, CA	48	139
Jason Lee Diagnostic Radiology · Thousand Oaks, CA	43	126
Monica Amantia Diagnostic Radiology · Studio City, CA	40	126
Catherine Moses Diagnostic Radiology · Thousand Oaks, CA	38	112
American Medical Response Ambulance Service Inc Ambulance Service Provider · Moorpark, CA	36	104
GEORGE ERB PHYSICAL THERAPY INC	31	104
Barry Berkowitz Diagnostic Radiology · Houston, TX	29	60

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