NPPES file of Aug 9, 2026

Fernando G. Maldonado, M.D.

Family Medicine Physician · Vallejo, CA

Fernando G. Maldonado, M.D. is a family medicine physician with a practice address in Vallejo, California, and NPI 1740576123, issued on Jun 23, 2011. Check the license (California A123429, 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
1740576123
Name
Fernando G. Maldonado
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A123429 CA
Self-reported in NPPES; status is on the state search
Practice location
975 Sereno Dr, Vallejo, CA 94589
Phone
(707) 651-1025
Enumerated
Jun 23, 2011
Record last updated
Dec 22, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(707) 651-3517
Medicare enrollment
Enrolled (PECOS I20150114001147); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 2011
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 975 Sereno Dr

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

  1. Joel Aandahl, NPAdult Health Nurse Practitioner1891423653
  2. Noman Absar, MDCritical Care Medicine (Internal Medicine) Physician1205908951
  3. Anthony Acquaviva, MDUrology Physician1457439283
  4. Jhonnard James Acuna, CRNACertified Registered Nurse Anesthetist1205997327
  5. Omid AfshariPharmacist1184165391
  6. Eesha AftabStudent in an Organized Health Care Education/Training Program1770421687

Verify Fernando G. Maldonado in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A123429
    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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14% more Medicare Part D claims than the average family medicine physician in 2024

4,028 Medicare Part D claims for 458 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 129 claims were for opioids.

  1. Fernando Maldonado4,028
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium332 claims
  2. Amlodipine Besylate202 claims
  3. Losartan Potassium157 claims
  4. Lisinopril142 claims
  5. Famotidine124 claims
  6. Albuterol Sulfate Hfa119 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. Permanente Medical Group IncVallejo, CA

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

Fernando G. Maldonado among 17,133 family medicine physician records in California

Fernando G. Maldonado, 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 2011, is newer than 63% of them.

  • NPI issued2011 · 63% of these records are older, 34% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2011 · median 2005 among the 10,652 with a school on file
  • Record last updated2021 · 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).

66 family medicine physician records list a practice address in Vallejo

They are 66 of the 2,836 NPPES records with a practice address in Vallejo, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Nigel Brandstater, M.D.Vallejo, CA 945891649331372
  2. Desmond Carson, M.D.Vallejo, CA 945891912934464
  3. Gabriel Chua, M.D.Vallejo, CA 945891265476428
  4. Gregory Coe, M.D.Vallejo, CA 945891295797405
  5. Monica Currie-Johnson, MDVallejo, CA 945891700964608
  6. Joann Dandurand, FNPVallejo, CA 945891659332146
  7. Maisha Draves, MDVallejo, CA 945891578641460
  8. Donn Erickson, MDVallejo, CA 945891003994831

Common questions

What is Fernando G. Maldonado, M.D.'s NPI number?

Fernando G. Maldonado, M.D.'s National Provider Identifier (NPI) is 1740576123, issued on Jun 23, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Fernando G. Maldonado, M.D. located?

The NPPES record lists a practice address at 975 Sereno Dr, Vallejo, CA, 94589. Phone: (707) 651-1025. Providers update this record themselves, so call before visiting.

How can I verify Fernando G. Maldonado, M.D.'s license?

NPPES lists California license number A123429, 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 Fernando G. Maldonado, M.D. prescribe under Medicare Part D?

In 2024, Fernando G. Maldonado, M.D. had 4,028 Medicare Part D claims for 458 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.