NPPES file of Aug 9, 2026

Roger Kenji Long, M.D.

Pediatric Endocrinology Physician · San Francisco, CA

Roger Kenji Long, M.D. is a pediatric endocrinology physician with a practice address in San Francisco, California, and NPI 1285641449, issued on Aug 1, 2006. Check the license (California A74233, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285641449
Name
Roger Kenji Long
Credential
M.D.
Primary taxonomy
Pediatric Endocrinology Physician 2080P0205X
License number
A74233 CA
Self-reported in NPPES; status is on the state search
Practice location
513 Parnassus Ave # S672, San Francisco, CA 94143
Phone
(415) 476-0750
Enumerated
Aug 1, 2006
Record last updated
Sep 13, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(415) 476-8214
Medicare enrollment
Enrolled (PECOS I20070713000630); accepts Medicare assignment
Medical or professional school
Vanderbilt University School Of Medicine, 1999
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Roger Kenji Long in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A74233
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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3.2 times the Medicare Part D claims of the average pediatric endocrinology physician in 2024

336 Medicare Part D claims for 60 beneficiaries, against an average of 105 among the 386 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.

  1. Roger Long336
  2. Specialty average105

Most prescribed

  1. Alendronate Sodium143 claims
  2. Tymlos54 claims
  3. Teriparatide35 claims
  4. Crysvita13 claims
  5. Ultra-Fine Mini Pen Needle13 claims
  6. Hydrochlorothiazide11 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through 3 group practices

  1. Regents OF The University OF CaliforniaSan Francisco, CA
  2. Ucsf Medical Group Business ServicesSan Francisco, CA
  3. University OF California San FranciscoSan Francisco, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Roger Kenji Long among 207 pediatric endocrinology physician records in California

Roger Kenji Long, M.D. is one of 207 pediatric endocrinology physician records with a practice address in California. 63% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 61% newer
  • In a Medicare fileYes · 63% of these records are
  • In the CMS Doctors and Clinicians fileYes · 23% of these records are
  • Graduated1999 · median 2002 among the 46 with a school on file
  • Record last updated2012 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0205X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Endocrinology Physician providers in California

There are 207 pediatric endocrinology physician records in California.

The 8 pediatric endocrinology physician records with the nearest ZIP codes

  1. Saleh Adi, M.D.San Francisco, CA 941431598782336
  2. Hannah Chesser, M.D.San Francisco, CA 941431104204767
  3. Abby Cobb-Walch, MDSan Francisco, CA 941431215355581
  4. Stephen Gitelman, M.D.San Francisco, CA 941431063440980
  5. Nicholas Heiniger, M.D.San Francisco, CA 941431801117221
  6. Robert Lustig, MDSan Francisco, CA 941431790708576
  7. Avni Shah, MDSan Francisco, CA 941431699938928
  8. Martin Thelin, MD, PHDSan Francisco, CA 941431225562440

Common questions

What is Roger Kenji Long, M.D.'s NPI number?

Roger Kenji Long, M.D.'s National Provider Identifier (NPI) is 1285641449, issued on Aug 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Roger Kenji Long, M.D. located?

The NPPES record lists a practice address at 513 Parnassus Ave # S672, San Francisco, CA, 94143. Phone: (415) 476-0750. Providers update this record themselves, so call before visiting.

How can I verify Roger Kenji Long, M.D.'s license?

NPPES lists California license number A74233, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Roger Kenji Long, M.D. prescribe under Medicare Part D?

In 2024, Roger Kenji Long, M.D. had 336 Medicare Part D claims for 60 beneficiaries; the average among pediatric endocrinology physician prescribers was 105. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.