DR. KATHRYN THANH PHAM O.D.
NPI 1063826741
Optometrist in Garden Grove, CA
About Dr. Kathryn Thanh Pham O.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KATHRYN THANH PHAM O.D. (NPI 1063826741) is an individual optometrist in Garden Grove, California, licensed in California (14932) and active in the NPI registry since June 2014. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Kathryn Thanh Pham O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Kathryn Pham reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Westminster, CA 92683
- Reassigned Medicare billing, California enrollment
Westminster, CA 92683
- Reassigned Medicare billing, California enrollment
- 51 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92844 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 2
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 Kathryn Pham's NPI number?
The NPI number for Kathryn Pham is 1063826741. It was assigned to this individual provider in the NPPES registry on June 20, 2014.
Where is Kathryn Pham located?
Kathryn Pham practices at 8942 Garden Grove Blvd Ste 104, Garden Grove, CA 92844. The listed phone number is (714) 638-0852.
What is Kathryn Pham's specialty?
The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.
Is Kathryn Pham enrolled in Medicare?
Yes. Kathryn Pham is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Kathryn Pham's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kathryn Pham reassigns Medicare benefits to 2 organizations: (Westminster, CA) and Fourth Optometric Care Of California (Westminster, 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 Kathryn Pham's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kathryn Pham accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and Blue Cross and Blue Shield of Oklahoma and 2 other insurers list Kathryn Pham as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Kathryn Pham was last updated on July 24, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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. Kathryn Thanh Pham, O.D. · NPI 1063826741
Optometrist provider in Garden Grove, California. Individual provider, active in the CMS NPPES registry since June 20, 2014.
## Identity
- **NPI:** 1063826741 (Entity type: Individual)
- **Enumerated:** June 20, 2014
- **Primary specialty:** Optometrist · taxonomy 152W00000X
- **State license:** 14932 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 8942 GARDEN GROVE BLVD, STE 104, Garden Grove, CA 92844-3327
- **Phone:** (714) 638-0852
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): (NPI 1780765289, Westminster, CA); Fourth Optometric Care Of California (NPI 1427728955, Westminster, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 24, 2014
---
Source: [NPI Profile](https://npiprofile.com/npi/1063826741) · Data from the CMS NPPES public registry.