NPPES file of Aug 9, 2026

Adolfo Romero-Duran, M.D

Family Medicine Physician · Pittsburg, CA

Adolfo Romero-Duran, M.D is a family medicine physician with a practice address in Pittsburg, California, and NPI 1275690836, issued on Jan 2, 2007. Check the license (California A84197, 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
1275690836
Name
Adolfo Romero-Duran
Credential
M.D
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A84197 CA
Self-reported in NPPES; status is on the state search
Practice location
2311 Loveridge RD, Pittsburg, CA 94565
Phone
(925) 431-2300
Enumerated
Jan 2, 2007
Record last updated
Dec 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20040304001368); accepts Medicare assignment
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 family medicine physician records → All 17,133 in California → Look up another NPI →

Also registered at 2311 Loveridge RD

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

  1. Aileen Ambrosio, RNRegistered Nurse1376887968
  2. Sarabjot AzodePsychiatric/Mental Health Registered Nurse1285494823
  3. Sakura Barrientos, RNAdult Psychiatric/Mental Health Registered Nurse1871958645
  4. Christine BrightonOccupational Therapist1144555749
  5. Mayra Carrillo, MDFamily Medicine Physician1407372170
  6. Cheyenne Carson-CraftClinical Social Worker1700319225

Verify Adolfo Romero-Duran in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A84197    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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70% more Medicare Part D claims than the average family medicine physician in 2024

6,009 Medicare Part D claims for 902 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 157 claims were for opioids.

  1. Adolfo Romero-Duran6,009
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium497 claims
  2. Amlodipine Besylate286 claims
  3. Lisinopril246 claims
  4. Losartan Potassium209 claims
  5. Hydrochlorothiazide163 claims
  6. Levothyroxine Sodium150 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 IncSan Leandro, CA

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

Adolfo Romero-Duran among 17,133 family medicine physician records in California

Adolfo Romero-Duran, 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 2007, is newer than 41% of them.

  • NPI issued2007 · 41% of these records are older, 47% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1994 · 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).

13 family medicine physician records list a practice address in Pittsburg

They are 13 of the 593 NPPES records with a practice address in Pittsburg, and 17,133 family medicine physician records in California.

All 17,133 in California → Every provider in Pittsburg → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Nathan Brooks, MD, MPHPittsburgh, CA 945651154765394
  2. Mayra Carrillo, MDPittsburg, CA 945651407372170
  3. Gustavo Curbelo, MDPittsburg, CA 945651629298153
  4. Siamak Elyasi, M.D.Pittsburg, CA 945651467407809
  5. Joan Hoffman, MDPittsburg, CA 945651417007782
  6. Jacqueline Johal-MoralesPittsburg, CA 945651609358373
  7. Julissa Lopez, MDPittsburg, CA 945651679063754
  8. Doris Rosellini, MDPittsburg, CA 945651730193012

Common questions

What is Adolfo Romero-Duran, M.D's NPI number?

Adolfo Romero-Duran, M.D's National Provider Identifier (NPI) is 1275690836, issued on Jan 2, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Adolfo Romero-Duran, M.D located?

The NPPES record lists a practice address at 2311 Loveridge RD, Pittsburg, CA, 94565. Phone: (925) 431-2300. Providers update this record themselves, so call before visiting.

How can I verify Adolfo Romero-Duran, M.D's license?

NPPES lists California license number A84197, 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 Adolfo Romero-Duran, M.D prescribe under Medicare Part D?

In 2024, Adolfo Romero-Duran, M.D had 6,009 Medicare Part D claims for 902 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.