GREGORY H. TCHEJEYAN M.D., INC
NPI 1689668188
Specialist in Thousand Oaks, CA

Active since September 12, 2005PECOS EnrolledAccepts Medicare Assignment
98.8/100
CMS Quality Rating
250 LOMBARD ST STE 1, THOUSAND OAKS, CA 91360(805) 495-3687(805) 494-1828 Get Directions Write a Review

NPPES record last updated: March 29, 2022. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Gregory H. Tchejeyan M.d., Inc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GREGORY H. TCHEJEYAN M.D., INC (NPI 1689668188) is an individual specialist in Thousand Oaks, California, licensed in California (A55364) and active in the NPI registry since September 2005. He is enrolled in Medicare PECOS and is a graduate of University Of Southern California Keck School Of Medicine (1994).

NPPES Registry Identity

NPI1689668188
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameGREGORY H. TCHEJEYANCredential: M.D., INC
Location Address250 LOMBARD ST STE 1Thousand Oaks, CA 91360-8208
Mailing Address250 Lombard St Ste 1Thousand Oaks, CA 91360-8208 · (805) 495-3687 · Fax (805) 494-1828
Fax(805) 494-1828
Sole ProprietorYes
Medical School CMSUniversity Of Southern California Keck School Of MedicineGraduated 1994
Enumeration DateSeptember 12, 2005
Last NPPES UpdateMarch 29, 2022
NPPES CertifiedMarch 29, 2022
NPI 1689668188 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License Licensed in CA · A55364
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
250 LOMBARD ST STE 1, Thousand Oaks, CA 91360

Other Identifiers 1

Other1376835330CA · Npi Type Ii

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Gregory H. Tchejeyan M.d., Inc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4587675152
PECOS Enrollment IDI20120228000177
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 35

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Injection, mepivacaine hydrochloride, per 10 ml J0670
Mepivacaine hydrochloride injection is a local anesthetic used to numb a specific area of your body during minor surgeries or procedures. It helps to reduce pain and discomfort. The 10 ml denotes the volume of the solution that will be used.
2,164 services230 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
772 services438 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
378 services221 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
371 services222 patients
X-ray of knee, 4 or more views 73564
An X-ray of the knee, 4 or more views, is a non-invasive imaging test. It involves capturing multiple images of your knee from different angles. This helps in diagnosing conditions such as fractures, arthritis, or infections. The procedure is quick and painless.
185 services156 patients
X-ray of hip, minimum of 4 views 73503
An X-ray of the hip with a minimum of 4 views is a non-invasive procedure that uses a small amount of radiation to produce images of the hip joint from different angles. This helps to diagnose conditions such as fractures, arthritis, or other abnormalities. It's a quick, painless process.
178 services142 patients

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

98.8/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality100
Promoting Interoperability96
Improvement Activities40

Reported Quality Measures

Advance Care Plan
100%837 patients5/55-star benchmark: 100%
e-Prescribing
96%73 patients3/55-star benchmark: 100%
Falls: Plan of Care
100%96 patients
Falls: Screening for Future Fall Risk
100%812 patients5/55-star benchmark: 100%
Patient-Centered Surgical Risk Assessment and Communication
100%202 patients5/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
100%1,246 patients5/55-star benchmark: 100%
Provide Patients Electronic Access to Their Health Information
90%443 patients4/55-star benchmark: 100%
Risk-standardized complication rate (RSCR) following elective primary total hip arthroplasty (THA) and/or total knee arthroplasty (TKA) for Merit-based Incentive Payment System (MIPS)
Lower rates are better for this measure.
0.02%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 4

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Walker, folding, wheeled, adjustable or fixed height E0143
DME-Other DME · category DE000N
2 suppliers60 claims60 services$42.17 avg. paid by Medicare
Commode chair, mobile or stationary, with fixed arms E0163
DME-Other DME · category DE000N
1 supplier58 claims58 services$40.05 avg. paid by Medicare
Lambswool sheepskin pad, any size E0189
DME-Other DME · category DE000N
1 supplier45 claims45 services$36.30 avg. paid by Medicare
Continuous passive motion exercise device for use on knee only E0935
DME-Other DME · category DE000N
1 supplier50 claims1,018 services$19.26 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Hospice Care, Community Based
250 LOMBARD ST STE 1
THOUSAND OAKS, CA 91360
Specialist
250 LOMBARD ST STE 1
THOUSAND OAKS, CA 91360
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
250 LOMBARD ST STE 1
THOUSAND OAKS, CA 91360
Specialist
250 LOMBARD ST STE 1
THOUSAND OAKS, CA 91360
Anesthesiology (Pain Medicine)
250 LOMBARD ST STE 1
THOUSAND OAKS, CA 91360

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Tchejeyan's NPI number?

The NPI number for Gregory Tchejeyan is 1689668188. It was assigned to this individual provider in the NPPES registry on September 12, 2005.

Where is Gregory Tchejeyan located?

Gregory Tchejeyan practices at 250 Lombard St Ste 1, Thousand Oaks, CA 91360. The listed phone number is (805) 495-3687.

What is Gregory Tchejeyan's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Gregory Tchejeyan enrolled in Medicare?

Yes. Gregory Tchejeyan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

When was this NPI record last updated?

The NPPES record for Gregory Tchejeyan was last updated on March 29, 2022. NPI Profile syncs with the weekly NPPES data releases published by CMS.