ROGER KENJI LONG M.D.
NPI 1285641449
Pediatrics - Pediatric Endocrinology in San Francisco, CA
About Roger Kenji Long M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROGER KENJI LONG M.D. (NPI 1285641449) is an individual pediatric endocrinology provider in San Francisco, California, licensed in California (A74233) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS and is a graduate of Vanderbilt University School Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses 2
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
Roger Kenji Long M.d. 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
5Medicare enrollment records show Roger Long reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 1,159 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Salinas, CA 93901
- Reassigned Medicare billing, California enrollment
- 310 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 5
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 94143 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 Roger Long's NPI number?
The NPI number for Roger Long is 1285641449. It was assigned to this individual provider in the NPPES registry on August 1, 2006.
Where is Roger Long located?
Roger Long practices at 513 Parnassus Ave # S672, San Francisco, CA 94143. The listed phone number is (415) 476-0750.
What is Roger Long's specialty?
The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Endocrinology, with taxonomy code 2080P0205X.
Is Roger Long enrolled in Medicare?
Yes. Roger Long 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 Roger Long's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Roger Long reassigns Medicare benefits to 5 organizations: Regents Of The University Of California (San Francisco, CA), Ucsf Pediatrics Associates (San Francisco, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Svmhs Clinics (Salinas, 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 Roger Long'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 Roger Long was last updated on September 13, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Roger Kenji Long, M.D. · NPI 1285641449
Pediatric Endocrinology physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since August 1, 2006.
## Identity
- **NPI:** 1285641449 (Entity type: Individual)
- **Enumerated:** August 1, 2006
- **Primary specialty:** Pediatrics - Pediatric Endocrinology · taxonomy 2080P0205X
- **State license:** A74233 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 513 PARNASSUS AVE # S672, San Francisco, CA 94143-0434
- **Phone:** (415) 476-0750 · **Fax:** (415) 476-8214
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Regents Of The University Of California (NPI 1376613943, San Francisco, CA); Ucsf Pediatrics Associates (NPI 1376614016, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Svmhs Clinics (NPI 1093158347, Salinas, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Vanderbilt University School Of Medicine, class of 1999
## Record status
- **NPPES last updated:** September 13, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1285641449) · Data from the CMS NPPES public registry.