SAW SEIN MD
NPI 1053754473
Family Medicine in Vallejo, CA
About Saw Sein Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAW SEIN MD (NPI 1053754473) is an individual family medicine provider in Vallejo, California, licensed in California (A145389) and active in the NPI registry since April 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
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
Saw Sein Md 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 Saw Sein reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Concord, CA 94520
- Reassigned Medicare billing, California enrollment
- 27 clinicians in this Medicare group
Concord, CA 94519
- Reassigned Medicare billing, California enrollment
- 66 clinicians in this Medicare group
San Francisco, CA 94133
- Reassigned Medicare billing, California enrollment
- 176 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 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94589 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
VALLEJO, CA 94589
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 Saw Sein's NPI number?
The NPI number for Saw Sein is 1053754473. It was assigned to this individual provider in the NPPES registry on April 16, 2013.
Where is Saw Sein located?
Saw Sein practices at 100 Hospital Dr Ste 304, Vallejo, CA 94589. The listed phone number is (707) 643-6483.
What is Saw Sein's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Saw Sein enrolled in Medicare?
Yes. Saw Sein 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 Saw Sein's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Saw Sein reassigns Medicare benefits to 3 organizations: Jiva Health Primary Care (Concord, CA), Jiva Health, Inc (Concord, CA) and North East Medical Services (San Francisco, 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 Saw Sein'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 Saw Sein was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Saw Sein, MD · NPI 1053754473
Family Medicine physician in Vallejo, California. Individual provider, active in the CMS NPPES registry since April 16, 2013.
## Identity
- **NPI:** 1053754473 (Entity type: Individual)
- **Enumerated:** April 16, 2013
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A145389 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 100 HOSPITAL DR STE 304, Vallejo, CA 94589-2583
- **Phone:** (707) 643-6483 · **Fax:** (707) 643-3018
## 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): Jiva Health Primary Care (NPI 1972560381, Concord, CA); Jiva Health, Inc (NPI 1285223552, Concord, CA); North East Medical Services (NPI 1518911304, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** July 21, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1053754473) · Data from the CMS NPPES public registry.