Gertrudes Montemayor, M.D.
Family Medicine Physician · Folsom, CA
Gertrudes Montemayor, M.D. is a family medicine physician with a practice address in Folsom, California, and NPI 1659357234, issued on Dec 15, 2005. Check the license (California G 077539, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gertrudes Montemayor
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- G 077539 CA
Self-reported in NPPES; status is on the state search - Practice location
- 251 Turn Pike Dr, Folsom, CA 95630
- Phone
- (916) 985-9300
- Enumerated
- Dec 15, 2005
- Record last updated
- Sep 7, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (916) 355-1217
- Medicare enrollment
- Enrolled (PECOS I20081209000023); accepts Medicare assignment
- Medical or professional school
- University Of California, Davis School Of Medicine, 1991
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 251 Turn Pike Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Victor Baquero, MDFamily Medicine Physician1740265909
- Lou Rose Malamug, M.D.Endocrinology, Diabetes & Metabolism Physician1417152851
- Margaret Penkala, MDCardiovascular Disease Physician1922174085
- Celia Remy, M.D.Pediatrics Physician1831175413
- James Trauth, M.D.Family Medicine Physician1811918543
- Jin Xu, MDInternal Medicine Physician1760757827
Verify Gertrudes Montemayor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G 077539Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% more Medicare Part D claims than the average family medicine physician in 2024
4,505 Medicare Part D claims for 472 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 61 claims were for opioids.
Most prescribed
- Atorvastatin Calcium332 claims
- Levothyroxine Sodium321 claims
- Losartan Potassium249 claims
- Amlodipine Besylate242 claims
- Gabapentin187 claims
- Metoprolol Succinate172 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.
2 hospitals and group practices
- Marshall Medical CenterEl Dorado Hills, CA · Acute Care Hospitals4 of 5 stars
- Regents OF The University OF CaliforniaSacramento, 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.
Gertrudes Montemayor among 17,133 family medicine physician records in California
Gertrudes Montemayor, M.D. is one of 17,133 family medicine physician records with a practice address in California. 81% 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, 94% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated1991 · median 2005 among the 10,652 with a school on file
- Record last updated2011 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
59 family medicine physician records list a practice address in Folsom
They are 59 of the 1,811 NPPES records with a practice address in Folsom, and 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Folsom → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Rose Arellanes, M.D.Folsom, CA 956301902889512
- Victor Baquero, MDFolsom, CA 956301740265909
- Clinton Collins, MDFolsom, CA 956301275568651
- Ronald Flores, MDFolsom, CA 956301386610665
- Roy Greenberg, MDFolsom, CA 956301790779478
- Nancy Jaeger, MDFolsom, CA 956301518957992
- Marcella Jaeger, M.D.Folsom, CA 956301902858483
- Hamid Kazerouni Zadeh, MDFolsom, CA 956301952391344
Common questions
What is Gertrudes Montemayor, M.D.'s NPI number?
Gertrudes Montemayor, M.D.'s National Provider Identifier (NPI) is 1659357234, issued on Dec 15, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gertrudes Montemayor, M.D. located?
The NPPES record lists a practice address at 251 Turn Pike Dr, Folsom, CA, 95630. Phone: (916) 985-9300. Providers update this record themselves, so call before visiting.
How can I verify Gertrudes Montemayor, M.D.'s license?
NPPES lists California license number G 077539, 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 Gertrudes Montemayor, M.D. prescribe under Medicare Part D?
In 2024, Gertrudes Montemayor, M.D. had 4,505 Medicare Part D claims for 472 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.