DUY DO M.D.
NPI 1386039584
Anesthesiology in Walnut Creek, CA
About Duy Do M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DUY DO M.D. (NPI 1386039584) is an individual anesthesiology provider in Walnut Creek, California, licensed in California (A170061) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Arkansas College Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 2
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
Duy Do 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.
Medicare Billing Reassignments
3Medicare enrollment records show Duy Do reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Walnut Creek, CA 94598
- Reassigned Medicare billing, California enrollment
- 810 clinicians in this Medicare group
San Francisco, CA 94109
- Reassigned Medicare billing, California enrollment
- 20 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 270 clinicians in this Medicare group
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
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.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WALNUT CREEK, CA 94598
WALNUT CREEK, CA 94598
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 Duy Do's NPI number?
The NPI number for Duy Do is 1386039584. It was assigned to this individual provider in the NPPES registry on April 3, 2015.
Where is Duy Do located?
Duy Do practices at 1601 Ygnacio Valley Rd, Walnut Creek, CA 94598. The listed phone number is (925) 939-3000.
What is Duy Do's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Duy Do enrolled in Medicare?
Yes. Duy Do 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 Duy Do's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Duy Do reassigns Medicare benefits to 3 organizations: John Muir Trauma Physicians Billing Service (Walnut Creek, CA), Anesthesiologists' Medical Group Of San Francisco, Inc. (San Francisco, CA) and Palm Springs Anesthesia Services, PC (San Bernardino, 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 Duy Do'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 Duy Do was last updated on August 19, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Duy Do, M.D. · NPI 1386039584
Anesthesiology physician in Walnut Creek, California. Individual provider, active in the CMS NPPES registry since April 3, 2015.
## Identity
- **NPI:** 1386039584 (Entity type: Individual)
- **Enumerated:** April 3, 2015
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** A170061 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1601 YGNACIO VALLEY RD, Walnut Creek, CA 94598-3122
- **Phone:** (925) 939-3000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): John Muir Trauma Physicians Billing Service (NPI 1093864837, Walnut Creek, CA); Anesthesiologists' Medical Group Of San Francisco, Inc. (NPI 1154379436, San Francisco, CA); Palm Springs Anesthesia Services, PC (NPI 1083928501, San Bernardino, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Arkansas College Of Medicine, class of 2019
## Record status
- **NPPES last updated:** August 19, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1386039584) · Data from the CMS NPPES public registry.