ALEXANDER PHAM MD
NPI 1003349366
Surgery in Yorba Linda, CA
About Alexander Pham Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEXANDER PHAM MD (NPI 1003349366) is an individual surgery provider in Yorba Linda, California, licensed in California (A188218) and active in the NPI registry since April 2017. He is enrolled in Medicare PECOS and is a graduate of Other (2017).
NPPES Registry Identity
Specialties & Licenses
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
Alexander Pham 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
4Medicare enrollment records show Alexander Pham reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Santa Ana, CA 92705
- Reassigned Medicare billing, California enrollment
- 21 clinicians in this Medicare group
Aliso Viejo, CA 92656
- Reassigned Medicare billing, California enrollment
- 23 clinicians in this Medicare group
El Segundo, CA 90245
- Reassigned Medicare billing, California enrollment
- 53 clinicians in this Medicare group
San Francisco, CA 94111
- Reassigned Medicare billing, California enrollment
- 407 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 2
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 92886 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Alexander Pham's NPI number?
The NPI number for Alexander Pham is 1003349366. It was assigned to this individual provider in the NPPES registry on April 4, 2017.
Where is Alexander Pham located?
Alexander Pham practices at 21140 Ridge Park Dr, Yorba Linda, CA 92886. The listed phone number is (714) 824-2554.
What is Alexander Pham's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Alexander Pham enrolled in Medicare?
Yes. Alexander Pham 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 Alexander Pham's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Pham reassigns Medicare benefits to 4 organizations: Baromedical Physician Associates Medical Group (Santa Ana, CA), Wound Docs Apc (Aliso Viejo, CA), Robert Marriott Medical Corp (El Segundo, CA) and Signify Health Medical Associates Of California, PC (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 Alexander Pham'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 Alexander Pham was last updated on August 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Alexander Pham, MD · NPI 1003349366
Surgery physician in Yorba Linda, California. Individual provider, active in the CMS NPPES registry since April 4, 2017.
## Identity
- **NPI:** 1003349366 (Entity type: Individual)
- **Enumerated:** April 4, 2017
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** A188218 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 21140 RIDGE PARK DR, Yorba Linda, CA 92886-7809
- **Phone:** (714) 824-2554
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Baromedical Physician Associates Medical Group (NPI 1164569463, Santa Ana, CA); Wound Docs Apc (NPI 1629891676, Aliso Viejo, CA); Robert Marriott Medical Corp (NPI 1083883938, El Segundo, CA); Signify Health Medical Associates Of California, PC (NPI 1124685169, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** August 31, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1003349366) · Data from the CMS NPPES public registry.