NPPES file of Aug 9, 2026

Ginger H. Roehrig, MD

Internal Medicine Physician · San Carlos, CA

Ginger H. Roehrig, MD is an internal medicine physician with a practice address in San Carlos, California, and NPI 1720183833, issued on Sep 13, 2006. Check the license (California A71287, 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
1720183833
Name
Ginger H. Roehrig
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
A71287 CA
Self-reported in NPPES; status is on the state search
Practice location
301 Industrial RD, San Carlos, CA 94070
Phone
(650) 321-4121
Enumerated
Sep 13, 2006
Record last updated
May 28, 2020 (not updated in 6 years: call before relying on the address or phone)
Medicaid ID
00A712870 CA
Medicare enrollment
Enrolled (PECOS I20090811000373); accepts Medicare assignment
Medical or professional school
Stanford University School Of Medicine, 1998
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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Also registered at 301 Industrial RD

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

  1. Maria Katrina Abad, AGPCNP-BCNurse Practitioner1306394952
  2. Maryam Adeel, M.D.Family Medicine Physician1285163998
  3. Jennifer Akazawa, MDFamily Medicine Physician1457971772
  4. Sarah Alamillo, PA-CPhysician Assistant1306349352
  5. Judith Alderman, N.P.Nurse Practitioner1407225121
  6. Omar Aljundi, NPNurse Practitioner1811464811

Verify Ginger H. Roehrig in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A71287
    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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6% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,979 Medicare Part D claims for 339 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 15 claims were for opioids.

  1. Ginger Roehrig2,979
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium281 claims
  2. Losartan Potassium227 claims
  3. Amlodipine Besylate208 claims
  4. Levothyroxine Sodium133 claims
  5. Rosuvastatin Calcium129 claims
  6. Lisinopril107 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

  1. Sutter Bay Medical FoundationSan Mateo, CA

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

Ginger H. Roehrig among 17,696 internal medicine physician records in California

Ginger H. Roehrig, MD 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
  • Graduated1998 · median 2004 among the 11,065 with a school on file
  • Record last updated2020 · 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).

18 internal medicine physician records list a practice address in San Carlos

They are 18 of the 1,015 NPPES records with a practice address in San Carlos, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Rebecca Ashe, MDSan Carlos, CA 940701003980798
  2. Ritu BansalSan Carlos, CA 940701003096777
  3. Suzanne Dey, MDSan Carlos, CA 940701548362270
  4. Charlotte Gonzales, M.D.San Carlos, CA 940701891758892
  5. David Jacoby, MDSan Carlos, CA 940701295715134
  6. Kenneth Lin, MDSan Carlos, CA 940701972546976
  7. Martha Mejia, M.D.San Carlos, CA 940701871520155
  8. Shanti Perkins, M.D.San Carlos, CA 940701598844516

Common questions

What is Ginger H. Roehrig, MD's NPI number?

Ginger H. Roehrig, MD's National Provider Identifier (NPI) is 1720183833, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ginger H. Roehrig, MD located?

The NPPES record lists a practice address at 301 Industrial RD, San Carlos, CA, 94070. Phone: (650) 321-4121. Providers update this record themselves, so call before visiting.

How can I verify Ginger H. Roehrig, MD's license?

NPPES lists California license number A71287, 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 Ginger H. Roehrig, MD prescribe under Medicare Part D?

In 2024, Ginger H. Roehrig, MD had 2,979 Medicare Part D claims for 339 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.