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GRACE S. CHOU M.D.
NPI 1053309369
Family Medicine in Walnut Creek, CA

Active since October 11, 2005PECOS EnrolledAccepts Medicare Assignment
1450 TREAT BLVD STE 250B, WALNUT CREEK, CA 94597(925) 296-9740 Get Directions Write a Review

NPPES record last updated: February 27, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Grace S. Chou M.d. NPPES

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

GRACE S. CHOU M.D. (NPI 1053309369) is an individual family medicine provider in Walnut Creek, California, licensed in California (A63403) and active in the NPI registry since October 2005. She is enrolled in Medicare PECOS and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (1996).

NPPES Registry Identity

NPI1053309369
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameGRACE S. CHOUCredential: M.D.
Location Address1450 TREAT BLVD STE 250BWalnut Creek, CA 94597-2168
Mailing Address1450 Treat Blvd Ste 300Walnut Creek, CA 94597-2168 · (925) 952-2855
Phone(925) 296-9740
Sole ProprietorNo
Medical School CMSClvlnd Clinic Lerner College Of Med Of Case Wstn Rsv UniversityGraduated 1996
Enumeration DateOctober 11, 2005
Last NPPES UpdateFebruary 27, 2025
NPPES CertifiedFebruary 27, 2025
✔ NPI 1053309369 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CA · A63403
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1450 TREAT BLVD STE 250B, Walnut Creek, CA 94597
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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

Grace S. Chou 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 ID5698847424
PECOS Enrollment IDI20080710000401
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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 94597 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
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

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

Supply allowance for therapeutic continuous glucose monitor (cgm), includes all supplies and accessories, 1 month supply = 1 unit of service K0553
DME-Other DME · category DE017N
1 supplier12 claims12 services$200.12 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

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

JENNIFER PRICE
Physician Assistant
1450 TREAT BLVD STE 250B
WALNUT CREEK, CA 94597
Contra Costa County (925) 296-9740

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 Grace Chou's NPI number?

The NPI number for Grace Chou is 1053309369. It was assigned to this individual provider in the NPPES registry on October 11, 2005.

Where is Grace Chou located?

Grace Chou practices at 1450 Treat Blvd Ste 250B, Walnut Creek, CA 94597. The listed phone number is (925) 296-9740.

What is Grace Chou's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Grace Chou enrolled in Medicare?

Yes. Grace Chou 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 Grace Chou was last updated on February 27, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.