ANH PHAM
NPI 1841599107
Internal Medicine - Medical Oncology in Duarte, CA
About Anh Pham NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANH PHAM (NPI 1841599107) is an individual medical oncology provider in Duarte, California, licensed in California (A122178) and active in the NPI registry since March 2011. He is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (2011).
NPPES Registry Identity
Specialties & Licenses 3
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
Anh Pham 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 Anh Pham reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Baldwin Park, CA 91706
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1396287082 (California)
- 13,921 clinicians in this Medicare group
Renton, WA 98057
- Reassigned Medicare billing, Washington enrollment
- 2,678 clinicians in this Medicare group
Honolulu, HI 96819
- Reassigned Medicare billing, Hawaii enrollment
- 1,187 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 91010 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DUARTE, CA 91010
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 Anh Pham's NPI number?
The NPI number for Anh Pham is 1841599107. It was assigned to this individual provider in the NPPES registry on March 24, 2011.
Where is Anh Pham located?
Anh Pham practices at 1500 Duarte Rd, Duarte, CA 91010. The listed phone number is (626) 359-8111.
What is Anh Pham's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Medical Oncology, with taxonomy code 207RX0202X.
Is Anh Pham enrolled in Medicare?
Yes. Anh 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 Anh Pham's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anh Pham reassigns Medicare benefits to 3 organizations: Southern California Permanente Medical Group (Baldwin Park, CA), Kaiser Foundation Health Plan Of Washington (Renton, WA) and Hawaii Permanente Medical Group Inc (Honolulu, HI). 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 Anh 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 Anh Pham was last updated on December 8, 2021. 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.
# Anh Pham · NPI 1841599107
Medical Oncology physician in Duarte, California. Individual provider, active in the CMS NPPES registry since March 24, 2011.
## Identity
- **NPI:** 1841599107 (Entity type: Individual)
- **Enumerated:** March 24, 2011
- **Primary specialty:** Internal Medicine - Medical Oncology · taxonomy 207RX0202X
- **State license:** A122178 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1500 DUARTE RD, Duarte, CA 91010-3012
- **Phone:** (626) 359-8111
## 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): Southern California Permanente Medical Group (NPI 1770515280, Baldwin Park, CA); Kaiser Foundation Health Plan Of Washington (NPI 1124264577, Renton, WA); Hawaii Permanente Medical Group Inc (NPI 1710945969, Honolulu, HI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 2011
## Record status
- **NPPES last updated:** December 8, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1841599107) · Data from the CMS NPPES public registry.