DONALD E. HARLAN MD
NPI 1295802205
Family Medicine in Fontana, CA
About Donald E. Harlan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DONALD E. HARLAN MD (NPI 1295802205) is an individual family medicine provider in Fontana, California, licensed in California (G52938) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS.
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 (PECOS)
Donald E. Harlan Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Donald Harlan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fontana, CA 92335
- Reassigned Medicare billing, California enrollment
- 5,228 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 92335 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.
FONTANA, CA 92335
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 Donald Harlan's NPI number?
The NPI number for Donald Harlan is 1295802205. It was assigned to this individual provider in the NPPES registry on November 29, 2006.
Where is Donald Harlan located?
Donald Harlan practices at 9961 Sierra Ave, Fontana, CA 92335. The listed phone number is (909) 427-3910.
What is Donald Harlan's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Donald Harlan enrolled in Medicare?
Yes. Donald Harlan is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Donald Harlan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Donald Harlan reassigns Medicare benefits to Southern California Permanente Medical Group (Fontana, CA). 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 Donald Harlan'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 Donald Harlan was last updated on December 1, 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.
# Donald E. Harlan, MD · NPI 1295802205
Family Medicine physician in Fontana, California. Individual provider, active in the CMS NPPES registry since November 29, 2006.
## Identity
- **NPI:** 1295802205 (Entity type: Individual)
- **Enumerated:** November 29, 2006
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** G52938 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 9961 SIERRA AVE, Fontana, CA 92335-6720
- **Phone:** (909) 427-3910
## 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:** Southern California Permanente Medical Group (NPI 1689606196, Fontana, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 1, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1295802205) · Data from the CMS NPPES public registry.