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JASON ALAN GRIESHOBER M.D.
NPI 1063730612
Orthopaedic Surgery in Anaheim, CA

Active since May 06, 2010PECOS EnrolledAccepts Medicare Assignment
947 S ANAHEIM BLVD STE 125, ANAHEIM, CA 92805(714) 241-7000(714) 241-7003 Get Directions Write a Review

NPPES record last updated: August 31, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 31, 2023, Jun 22, 2020, Oct 18, 2017 and 1 more (4 updates tracked since 2016).

About Jason Alan Grieshober M.d. NPPES

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

JASON ALAN GRIESHOBER M.D. (NPI 1063730612) is an individual orthopaedic surgery provider in Anaheim, California, licensed in California (A136421) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS and is a graduate of Temple University School Of Medicine (2010).

NPPES Registry Identity

NPI1063730612
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameJASON ALAN GRIESHOBERCredential: M.D.
Location Address947 S ANAHEIM BLVD STE 125Anaheim, CA 92805-5584
Mailing Address11190 Warner Ave Ste 300Fountain Valley, CA 92708-4045 · (714) 241-7000 · Fax (714) 241-7003
Phone(714) 241-7000
Fax(714) 241-7003
Sole ProprietorNo
Medical School CMSTemple University School Of MedicineGraduated 2010
Enumeration DateMay 6, 2010
Last NPPES UpdateAugust 31, 20234 updates tracked since enumeration
NPPES CertifiedAugust 31, 2023
✔ NPI 1063730612 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in CA · A136421
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
947 S ANAHEIM BLVD STE 125, Anaheim, CA 92805
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Jason Alan Grieshober M.d. 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 ID5193031979
PECOS Enrollment IDI20150825005201
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Jason Grieshober reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Orthowest
18 mi
Orthopaedic Surgery
24331 EL TORO RD STE 200
Laguna Woods, CA 92637
  • Reassigned Medicare billing, California enrollment
  • 57 clinicians in this Medicare group
NPI 1760007330 (949) 586-3200
John P Kelly MD A Professional Medical Corporation
34 mi
Orthopaedic Surgery
2121 MALCOLM AVE
Los Angeles, CA 90025
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: John P. Kelly, M.D., A Professional Medical Corporation
  • 9 clinicians in this Medicare group
NPI 1558586438 (714) 369-9426

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 9

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, triamcinolone acetonide, not otherwise specified, 10 mg J3301
Triamcinolone acetonide is a medication used to reduce inflammation in the body. It's given as a 10 mg injection for conditions like allergies, arthritis, or skin problems. The injection helps to decrease swelling, redness, and itching.
295 services40 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.
164 services80 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.
96 services46 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.
51 services35 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
34 services34 patients
X-ray of knee, 3 views 73562
An X-ray of the knee, 3 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of the knee from three different angles. This helps medical professionals to diagnose and monitor conditions like arthritis, fractures, or infections. The process is quick and painless.
21 services16 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92805 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

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

GREY LE M.D.
Family Medicine
947 S ANAHEIM BLVD STE 125
ANAHEIM, CA 92805
Orange County (714) 776-3180
CHELSEA PHAM-WIGHTMAN MD
Family Medicine
947 S ANAHEIM BLVD STE 125
ANAHEIM, CA 92805
Orange County (714) 776-3180
DR. RICHARD HEDKE BLANKS M.D
Orthopaedic Surgery
947 S ANAHEIM BLVD STE 125
ANAHEIM, CA 92805
Orange County (714) 241-7000

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 Jason Grieshober's NPI number?

The NPI number for Jason Grieshober is 1063730612. It was assigned to this individual provider in the NPPES registry on May 6, 2010.

Where is Jason Grieshober located?

Jason Grieshober practices at 947 S Anaheim Blvd Ste 125, Anaheim, CA 92805. The listed phone number is (714) 241-7000.

What is Jason Grieshober's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is Jason Grieshober enrolled in Medicare?

Yes. Jason Grieshober 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.

Which organizations bill Medicare for Jason Grieshober's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jason Grieshober reassigns Medicare benefits to 2 organizations: Orthowest (Laguna Woods, CA) and John P Kelly MD A Professional Medical Corporation (Los Angeles, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jason Grieshober's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jason Grieshober was last updated on August 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.