NPPES file of Aug 9, 2026

Robert C. Tang, M.D.

Internal Medicine Physician · Sacramento, CA

Robert C. Tang, M.D. is an internal medicine physician with a practice address in Sacramento, California, and NPI 1376640227, issued on Sep 20, 2006. Check the license (California G79602, 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
1376640227
Name
Robert C. Tang
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
G79602 CA
Self-reported in NPPES; status is on the state search
Practice location
1201 Alhambra Blvd, Sacramento, CA 95816
Phone
(916) 733-8797
Enumerated
Sep 20, 2006
Record last updated
Jul 11, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(916) 733-9806
Medicaid ID
00G796020 CA
Medicare enrollment
Enrolled (PECOS I20081215000811); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 1993
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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8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →

Also registered at 1201 Alhambra Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Lorraine Abate, M.D.Family Medicine Physician1104840008
  2. Terri Aboytes, P.T.Physical Therapist1205847027
  3. Gina Andrade, MPH, RDRegistered Dietitian1467126177
  4. Molly Baker, M.D.Family Medicine Physician1477564193
  5. Joi Barrett, M.D.Internal Medicine Physician1801807540
  6. Heather Beatty, M.D.Obstetrics & Gynecology Physician1205847951

Verify Robert C. Tang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G79602    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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2.6 times the Medicare Part D claims of the average internal medicine physician in 2024

8,161 Medicare Part D claims for 757 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 14 claims were for opioids.

  1. Robert Tang8,161
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium707 claims
  2. Lisinopril411 claims
  3. Losartan Potassium399 claims
  4. Levothyroxine Sodium372 claims
  5. Amlodipine Besylate353 claims
  6. Pravastatin Sodium289 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.

Industry payments in 2024: $242.44

2 payments; by number, the most common kind was gift; the largest payer was Sekisui Diagnostics, LLC. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Robert Tang$242.44
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

2 hospitals and group practices

  1. Marshall Medical CenterEl Dorado Hills, CA · Acute Care Hospitals4 of 5 stars
  2. Sutter Valley Medical FoundationRoseville, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Robert C. Tang among 17,696 internal medicine physician records in California

Robert C. 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 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 56% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1993 · median 2004 among the 11,065 with a school on file
  • Record last updated2019 · 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).

601 internal medicine physician records list a practice address in Sacramento

They are 601 of the 33,083 NPPES records with a practice address in Sacramento, and 17,696 internal medicine physician records in California.

All 17,696 in California → Every provider in Sacramento → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Michael Abate, MDSacramento, CA 958161548248131
  2. Jason Chang, M.D.Sacramento, CA 958161992787485
  3. Meghan Hayes, M.D.Sacramento, CA 958161851385405
  4. Lisa Ho, M.D.Sacramento, CA 958161932184108
  5. John Hosoume, M.D.Sacramento, CA 958161588649354
  6. James Jackson, MDSacramento, CA 958161508855594
  7. Ingvild Lane, MDSacramento, CA 958161831171719
  8. Scott Macdonald, MDSacramento, CA 958161518940006

Common questions

What is Robert C. Tang, M.D.'s NPI number?

Robert C. Tang, M.D.'s National Provider Identifier (NPI) is 1376640227, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Robert C. Tang, M.D. located?

The NPPES record lists a practice address at 1201 Alhambra Blvd, Sacramento, CA, 95816. Phone: (916) 733-8797. Providers update this record themselves, so call before visiting.

How can I verify Robert C. Tang, M.D.'s license?

NPPES lists California license number G79602, 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 Robert C. Tang, M.D. prescribe under Medicare Part D?

In 2024, Robert C. Tang, M.D. had 8,161 Medicare Part D claims for 757 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.