DR. SEAN ZACHARY GRIFFITHS D.O.
NPI 1457705667
Orthopaedic Surgery in Walnut Creek, CA

Active since April 14, 2016PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
2405 SHADELANDS DR STE 300, WALNUT CREEK, CA 94598(925) 939-8585 Get Directions Write a Review

NPPES record last updated: November 12, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Nov 12, 2025, Jul 3, 2023, Oct 12, 2021 (3 updates tracked since 2021).

About Dr. Sean Zachary Griffiths D.o. NPPES

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

DR. SEAN ZACHARY GRIFFITHS D.O. (NPI 1457705667) is an individual orthopaedic surgery provider in Walnut Creek, California, licensed in California (20026) and active in the NPI registry since April 2016. He is enrolled in Medicare PECOS, maintains a secondary practice location in Oakland, and is a graduate of Touro Un College Of Osteopathic Medicine, Vallejo (2016).

NPPES Registry Identity

NPI1457705667
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDR. SEAN ZACHARY GRIFFITHSCredential: D.O.
Location Address2405 SHADELANDS DR STE 300Walnut Creek, CA 94598-5906
Mailing AddressPo Box 31396Walnut Creek, CA 94598-8396 · (925) 939-8585
Sole ProprietorNo
Medical School CMSTouro Un College Of Osteopathic Medicine, VallejoGraduated 2016
Enumeration DateApril 14, 2016
Last NPPES UpdateNovember 12, 20253 updates tracked since enumeration
NPPES CertifiedNovember 12, 2025
NPI 1457705667 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 · 20026
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.

2405 SHADELANDS DR STE 300, Walnut Creek, CA 94598

Secondary Practice Location 1

Location 13315 BroadwayOakland, CA 94611-5717 · Phone (925) 939-8585

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

Dr. Sean Zachary Griffiths D.o. 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 ID5698177764
PECOS Enrollment IDI20220824001819
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 22

Services this provider delivered to Medicare fee-for-service patients, from the 2024 & 2026 CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Hyaluronan or derivative, gelsyn-3, for intra-articular injection, 0.1 mg J7328
Gelsyn-3 is a treatment involving injections of a substance called hyaluronan into the joint space. Hyaluronan is naturally present in healthy joint fluid, aiding in lubrication and shock absorption. This treatment helps relieve joint pain, often in conditions like osteoarthritis.
12,096 services14 patients
Hyaluronan or derivative, durolane, for intra-articular injection, 1 mg J7318
Hyaluronan or derivative, Durolane, is a treatment injected directly into the joint to relieve pain and improve mobility. It's often used for arthritis in the knee. The substance works by supplementing your body's natural joint fluid to help lubricate and cushion the joint.
1,680 services18 patients
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.
429 services105 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.
334 services284 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.
187 services136 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.
185 services143 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94598 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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.

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.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

MIPS Quality Measures

The following performance measures were reported under the Merit-Based Incentive Payment System (MIPS) and Qualified Clinical Data Registry (QCDR) quality measures program.

Quality Measure Performance Number of Patients
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) 0.05% "Inverse Quality Measure"
This is an inverse quality measure, a lower rate means the provider is rated better.

Other Providers at the Same Location NPPES 16

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

Nurse Practitioner (Family)
2405 SHADELANDS DR STE 300
WALNUT CREEK, CA 94598
Internal Medicine (Endocrinology, Diabetes & Metabolism)
2405 SHADELANDS DR STE 300
WALNUT CREEK, CA 94598
Internal Medicine (Endocrinology, Diabetes & Metabolism)
2405 SHADELANDS DR STE 300
WALNUT CREEK, CA 94598
Physician Assistant (Surgical)
2405 SHADELANDS DR STE 300
WALNUT CREEK, CA 94598
Physician Assistant
2405 SHADELANDS DR STE 300
WALNUT CREEK, CA 94598
Physician Assistant (Surgical)
2405 SHADELANDS DR STE 300
WALNUT CREEK, CA 94598
Nurse Practitioner (Family)
2405 SHADELANDS DR STE 300
WALNUT CREEK, CA 94598
Nurse Practitioner
2405 SHADELANDS DR STE 300
WALNUT CREEK, CA 94598

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1457705667, enumerated as an "individual" on April 14, 2016.

The provider is located at 2405 SHADELANDS DR STE 300 WALNUT CREEK, CA 94598 and the phone number is (925) 939-8585.

Orthopaedic Surgery with taxonomy code 207X00000X.