NPPES file of Aug 9, 2026

Diana G. Alvizo, PAC

Family Medicine Physician · Santa Ana, CA

Diana G. Alvizo, PAC is a family medicine physician with a practice address in Santa Ana, California, and NPI 1760180970, issued on Feb 16, 2023. Check the license (California PA62368, 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
1760180970
Name
Diana G. Alvizo
Credential
PAC
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
PA62368 CA
Self-reported in NPPES; status is on the state search
Practice location
520 W 17TH St Ste 1, Santa Ana, CA 92706
Phone
(714) 972-2727
Enumerated
Feb 16, 2023
Record last updated
Feb 16, 2023
Fax
(714) 972-1193
Medicare enrollment
Enrolled (PECOS I20230414001161); 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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Verify Diana G. Alvizo in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license PA62368
    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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47% fewer Medicare Part D claims than the average family medicine physician in 2024

1,870 Medicare Part D claims for 319 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 33 claims were for opioids.

  1. Diana Alvizo1,870
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium168 claims
  2. Lisinopril87 claims
  3. Losartan Potassium76 claims
  4. Metformin Hcl72 claims
  5. Amlodipine Besylate61 claims
  6. Levothyroxine Sodium60 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.

Industry payments in 2024: $549.49

31 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Diana Alvizo$549.49
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Clinica Buena Salud IncSanta Ana, CA

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

Diana G. Alvizo among 17,133 family medicine physician records in California

Diana G. Alvizo, PAC 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 2023, is newer than 97% of them.

  • NPI issued2023 · 97% of these records are older, 1% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated2022 · median 2005 among the 10,652 with a school on file
  • Record last updated2023 · 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).

177 family medicine physician records list a practice address in Santa Ana

They are 177 of the 8,904 NPPES records with a practice address in Santa Ana, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Antonio Carbayo, MDSanta Ana, CA 927061033149356
  2. Regina Chinsiokwong, D.O.Santa Ana, CA 927061265597488
  3. Long Duong, M.D.Santa Ana, CA 927061538257241
  4. Judith Friedland, M.D.Santa Ana, CA 927061043388978
  5. Cam-Van Huynh, MDSanta Ana, CA 927061366524290
  6. Julie Johnson, M.D.Santa Ana, CA 927061780697342
  7. Yin-Ming Liu, M.D.Santa Ana, CA 927061346327541
  8. Manuel Medina, PACSanta Ana, CA 927061952498867

Common questions

What is Diana G. Alvizo, PAC's NPI number?

Diana G. Alvizo, PAC's National Provider Identifier (NPI) is 1760180970, issued on Feb 16, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Diana G. Alvizo, PAC located?

The NPPES record lists a practice address at 520 W 17TH St Ste 1, Santa Ana, CA, 92706. Phone: (714) 972-2727. Providers update this record themselves, so call before visiting.

How can I verify Diana G. Alvizo, PAC's license?

NPPES lists California license number PA62368, 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 G. Alvizo, PAC prescribe under Medicare Part D?

In 2024, Diana G. Alvizo, PAC had 1,870 Medicare Part D claims for 319 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.