DR. JOHN T STEWART M.D.
NPI 1417031022
Family Medicine in Alhambra, CA
About Dr. John T Stewart M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN T STEWART M.D. (NPI 1417031022) is an individual family medicine provider in Alhambra, California, licensed in California (A34137) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1977).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Dr. John T Stewart 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
2Medicare enrollment records show John Stewart reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Alhambra, CA 91801
- Reassigned Medicare billing, California enrollment
- 5 clinicians in this Medicare group
Garden Grove, CA 92844
- Reassigned Medicare billing, California enrollment
- 3 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 11
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 91801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
Referred Medical Equipment & Supplies CMS DME claims 3
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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 John Stewart's NPI number?
The NPI number for John Stewart is 1417031022. It was assigned to this individual provider in the NPPES registry on October 24, 2006.
Where is John Stewart located?
John Stewart practices at 1024 S Garfield Ave, Alhambra, CA 91801. The listed phone number is (626) 289-5181.
What is John Stewart's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is John Stewart enrolled in Medicare?
Yes. John Stewart 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 John Stewart's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Stewart reassigns Medicare benefits to 2 organizations: Stewart And Stewart A Medical Corporation (Alhambra, CA) and Bethel Medical Group, Inc. (Garden Grove, 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 John Stewart'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 John Stewart was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Dr. John T Stewart, M.D. · NPI 1417031022
Family Medicine physician in Alhambra, California. Individual provider, active in the CMS NPPES registry since October 24, 2006.
## Identity
- **NPI:** 1417031022 (Entity type: Individual)
- **Enumerated:** October 24, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A34137 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1024 S GARFIELD AVE, Alhambra, CA 91801-4762
- **Phone:** (626) 289-5181 · **Fax:** (626) 458-8051
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Stewart And Stewart A Medical Corporation (NPI 1306058565, Alhambra, CA); Bethel Medical Group, Inc. (NPI 1518388917, Garden Grove, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1977
## Record status
- **NPPES last updated:** July 9, 2007
- **Other identifiers:** Medicare UPIN A27387 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1417031022) · Data from the CMS NPPES public registry.