NPPES file of Aug 9, 2026

Diana I. Sandoval-Cortez, MD

Family Medicine Physician · Spring Valley, CA

Diana I. Sandoval-Cortez, MD is a family medicine physician with a practice address in Spring Valley, California, and NPI 1992737076, issued on Jul 7, 2006. Check the license (California A66726, 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
1992737076
Name
Diana I. Sandoval-Cortez
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
A66726 CA
Self-reported in NPPES; status is on the state search
Practice location
8788 Jamacha RD, Spring Valley, CA 91977
Phone
(619) 515-2555
Enumerated
Jul 7, 2006
Record last updated
Dec 2, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(619) 462-5584
Medicare enrollment
Enrolled (PECOS I20121119000509); accepts Medicare assignment
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 8788 Jamacha RD

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

  1. Rebecca Bacharach, D.O.Family Medicine Physician1225442643
  2. Gladys Berry, DDSDentist1396846036
  3. Shane Fuller, D.D.S.Dentist1326450867
  4. Elsa HernandezCounselor1255511135
  5. Amanda Ji, M.D.Pediatrics Physician1750745493
  6. Jesusa Kelly, D.M.D.Dentist1588853352

Verify Diana I. Sandoval-Cortez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A66726
    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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2.4 times the Medicare Part D claims of the average family medicine physician in 2024

8,384 Medicare Part D claims for 1,726 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 449 claims were for opioids.

  1. Diana Sandoval-Cortez8,384
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium633 claims
  2. Losartan Potassium364 claims
  3. Levothyroxine Sodium331 claims
  4. Amlodipine Besylate292 claims
  5. Rosuvastatin Calcium275 claims
  6. Lisinopril270 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 2 group practices

  1. Centro DE Salud DE LA Comunidad DE San Ysidro, Inc.San Ysidro, CA
  2. Southern California Permanente Medical GroupSimi Valley, CA

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

Diana I. Sandoval-Cortez among 17,133 family medicine physician records in California

Diana I. Sandoval-Cortez, MD 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 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1988 · 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).

12 family medicine physician records list a practice address in Spring Valley

They are 12 of the 400 NPPES records with a practice address in Spring Valley, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Rebecca Bacharach, D.O.Spring Valley, CA 919771225442643
  2. Arthur Cardones, MDSpring Valley, CA 919771962436451
  3. Melissa Macy, D.O.Spring Valley, CA 919771326488719
  4. Jackielyn Sabangan, MDSpring Valley, CA 919771447749494
  5. Lily Au-YeungSpring Valley, CA 919781396635785
  6. Hanid Audish, DOSpring Valley, CA 919781598975690
  7. Glenn D'Arpa, D.O.Spring Valley, CA 919781790719482
  8. Darren Farnesi, M.D.Spring Valley, CA 919781811906175

Common questions

What is Diana I. Sandoval-Cortez, MD's NPI number?

Diana I. Sandoval-Cortez, MD's National Provider Identifier (NPI) is 1992737076, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Diana I. Sandoval-Cortez, MD located?

The NPPES record lists a practice address at 8788 Jamacha RD, Spring Valley, CA, 91977. Phone: (619) 515-2555. Providers update this record themselves, so call before visiting.

How can I verify Diana I. Sandoval-Cortez, MD's license?

NPPES lists California license number A66726, 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 Diana I. Sandoval-Cortez, MD prescribe under Medicare Part D?

In 2024, Diana I. Sandoval-Cortez, MD had 8,384 Medicare Part D claims for 1,726 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.