NPPES file of Aug 9, 2026

Marsha Alexander, M.D.

Family Medicine Physician · Vacaville, CA

Marsha Alexander, M.D. is a family medicine physician with a practice address in Vacaville, California, and NPI 1275692055, issued on Dec 7, 2006. Check the license (California G73005, 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
1275692055
Name
Marsha Alexander
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
G73005 CA
Self-reported in NPPES; status is on the state search
Practice location
600 Nut Tree RD, Vacaville, CA 95687
Phone
(707) 359-1800
Enumerated
Dec 7, 2006
Record last updated
Feb 1, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(707) 359-1837
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 600 Nut Tree RD

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

  1. Gina Hosking, P.A.Medical Physician Assistant1043562457
  2. Gurjit Kaur, MDInternal Medicine Physician1922635580
  3. Tracy LeeAddiction (Substance Use Disorder) Counselor1043183007
  4. Barbara Michaels, RPTPhysical Therapist1871612457
  5. Shami Prasad-ClerveNurse Practitioner1912400318
  6. Nina Roque, M.D.Pediatrics Physician1013123827

Verify Marsha Alexander in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G73005    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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2.2 times the Medicare Part D claims of the average family medicine physician in 2024

7,780 Medicare Part D claims for 236 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims. 174 claims were for opioids.

  1. Marsha Alexander7,780
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium557 claims
  2. Amlodipine Besylate298 claims
  3. Levothyroxine Sodium260 claims
  4. Losartan Potassium244 claims
  5. Gabapentin205 claims
  6. Metoprolol Succinate204 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.

56 family medicine physician records list a practice address in Vacaville

They are 56 of the 1,903 NPPES records with a practice address in Vacaville, and 17,133 family medicine physician records in California.

All 56 in Vacaville → All 17,133 in California → Every provider in Vacaville →

Other family medicine physician records in California

  1. Omer Aba-Omer, MDSanta Monica, CA1649702093
  2. Michelle Ababa, MDWilmington, CA1710922513
  3. Anna Tzeitel Abalos, MDRoseville, CA1720200017
  4. Adan Abarca, MDAnaheim, CA1760553689
  5. Vanessa Abarca, DOVentura, CA1952040859
  6. Lorraine Abate, M.D.Sacramento, CA1104840008
  7. Robert Abatecola, MDCastro Valley, CA1669551719
  8. Romeo Abaya, M.D.Cottonwood, CA1598053506
  9. Effiem Abbah, MD, MPHSan Francisco, CA1821185133
  10. Khuzeman Abbasi, MDSanta Rosa, CA1841979952

Common questions

What is Marsha Alexander, M.D.'s NPI number?

Marsha Alexander, M.D.'s National Provider Identifier (NPI) is 1275692055, issued on Dec 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Marsha Alexander, M.D. located?

The NPPES record lists a practice address at 600 Nut Tree RD, Vacaville, CA, 95687. Phone: (707) 359-1800. Providers update this record themselves, so call before visiting.

How can I verify Marsha Alexander, M.D.'s license?

NPPES lists California license number G73005, 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 Marsha Alexander, M.D. prescribe under Medicare Part D?

In 2024, Marsha Alexander, M.D. had 7,780 Medicare Part D claims for 236 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.

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.