Roger Mar-Tang, M.D.
Internal Medicine Physician · Folsom, CA
Roger Mar-Tang, M.D. is an internal medicine physician with a practice address in Folsom, California, and NPI 1851375307, issued on Nov 29, 2005. Check the license (California A88695, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Roger Mar-Tang
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A88695 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2155 Iron Point RD, Folsom, CA 95630
- Phone
- (916) 817-5200
- Enumerated
- Nov 29, 2005
- Record last updated
- Dec 13, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070206000266); accepts Medicare assignment
- Medical or professional school
- Stanford University School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2155 Iron Point RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Roger Mar-Tang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A88695Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average internal medicine physician in 2024
8,255 Medicare Part D claims for 726 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 271 claims were for opioids.
Most prescribed
- Atorvastatin Calcium768 claims
- Levothyroxine Sodium420 claims
- Amlodipine Besylate390 claims
- Lisinopril384 claims
- Tamsulosin Hcl262 claims
- Losartan Potassium261 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 one group practice
- Permanente Medical Group IncFolsom, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Roger Mar-Tang among 17,696 internal medicine physician records in California
Roger Mar-Tang, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2003 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
52 internal medicine physician records list a practice address in Folsom
They are 52 of the 1,811 NPPES records with a practice address in Folsom, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Folsom → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Amanda Camposagrado, M.D.Folsom, CA 956301780669945
- James ChenFolsom, CA 956301568447266
- Robert Debruin, M.D.Folsom, CA 956301073507786
- Donald Gutman, M.D.Folsom, CA 956301396776738
- Sami Khouri, MDFolsom, CA 956301295779197
- Soe Maw, MDFolsom, CA 956301215984364
- Don Nguyen, D.O.Folsom, CA 956301356311427
- Carlos Perez, M.D.Folsom, CA 956301356341606
Common questions
What is Roger Mar-Tang, M.D.'s NPI number?
Roger Mar-Tang, M.D.'s National Provider Identifier (NPI) is 1851375307, issued on Nov 29, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Roger Mar-Tang, M.D. located?
The NPPES record lists a practice address at 2155 Iron Point RD, Folsom, CA, 95630. Phone: (916) 817-5200. Providers update this record themselves, so call before visiting.
How can I verify Roger Mar-Tang, M.D.'s license?
NPPES lists California license number A88695, 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 Mar-Tang, M.D. prescribe under Medicare Part D?
In 2024, Roger Mar-Tang, M.D. had 8,255 Medicare Part D claims for 726 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.