DEREK CHI-FUNG TAM MD
NPI 1275922130
Pediatrics in San Diego, CA
About Derek Chi-fung Tam Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DEREK CHI-FUNG TAM MD (NPI 1275922130) is an individual pediatrics provider in San Diego, California, licensed in California (A168598) and active in the NPI registry since January 2015. He 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)
Derek Chi-fung Tam Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Derek Tam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Spokane, WA 99202
- Reassigned Medicare billing, Washington enrollment
- 4,383 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 92123 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.
SAN DIEGO, CA 92123
SAN DIEGO, CA 92123
SAN DIEGO, CA 92123
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 Derek Tam's NPI number?
The NPI number for Derek Tam is 1275922130. It was assigned to this individual provider in the NPPES registry on January 15, 2015.
Where is Derek Tam located?
Derek Tam practices at 3020 Childrens Way, San Diego, CA 92123. The listed phone number is (858) 966-8800.
What is Derek Tam's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Derek Tam enrolled in Medicare?
Yes. Derek Tam is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Derek Tam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Derek Tam reassigns Medicare benefits to Multicare Health System (Spokane, WA). The 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 Derek Tam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Derek Tam accept?
Health plans from Premera Blue Cross Blue Shield of Alaska list Derek Tam 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 Derek Tam was last updated on June 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Derek Chi-Fung Tam, MD · NPI 1275922130
Pediatrics physician in San Diego, California. Individual provider, active in the CMS NPPES registry since January 15, 2015.
## Identity
- **NPI:** 1275922130 (Entity type: Individual)
- **Enumerated:** January 15, 2015
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** A168598 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3020 CHILDRENS WAY, San Diego, CA 92123-4223
- **Phone:** (858) 966-8800
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Multicare Health System (NPI 1730687161, Spokane, WA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 29, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1275922130) · Data from the CMS NPPES public registry.