NPPES file of Aug 9, 2026

Gerardo William Hizon, MD, FAAFP, CAQSM

Family Medicine Physician · Temecula, CA

Gerardo William Hizon, MD, FAAFP, CAQSM is a family medicine physician with a practice address in Temecula, California, and NPI 1205898558, issued on Apr 3, 2006. Check the license (California G55359, 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
1205898558
Name
Gerardo William Hizon
Credential
MD, FAAFP, CAQSM
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
G55359 CA
Self-reported in NPPES; status is on the state search
Practice location
27699 Jefferson Ave Ste 101, Temecula, CA 92590
Phone
(951) 790-0107
Enumerated
Apr 3, 2006
Record last updated
Jan 17, 2023
Fax
(951) 667-1933
Medicare enrollment
Enrolled (PECOS I20120608000503); 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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Also registered at 27699 Jefferson Ave Ste 101

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

  1. Daniel Fishel, DOFamily Medicine Physician1952963878
  2. Stacey MayerchikNurse Practitioner1386517092

Verify Gerardo William Hizon in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license G55359
    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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34% more Medicare Part D claims than the average family medicine physician in 2024

4,733 Medicare Part D claims for 456 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 86 claims were for opioids.

  1. Gerardo Hizon4,733
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium292 claims
  2. Amlodipine Besylate227 claims
  3. Lisinopril227 claims
  4. Rosuvastatin Calcium208 claims
  5. Metformin Hcl203 claims
  6. Levothyroxine Sodium201 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: $371.82

17 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. 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. Gerardo Hizon$371.82
  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. Rancho Family Medical Group IncTemecula, CA

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

Gerardo William Hizon among 17,133 family medicine physician records in California

Gerardo William Hizon, MD, FAAFP, CAQSM 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
  • Graduated1984 · 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).

80 family medicine physician records list a practice address in Temecula

They are 80 of the 4,057 NPPES records with a practice address in Temecula, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Cristina Bailey, M.D.Temecula, CA 925901598715823
  2. David Bucher, MDTemecula, CA 925901790735033
  3. Walter Combs, MDTemecula, CA 925901104876598
  4. Mary Gentile, DOTemecula, CA 925901861480998
  5. Claudia Hsieh, D.O.Temecula, CA 925901255515979
  6. Tae-Woong Im, MDTemecula, CA 925901912956855
  7. Samuel Ko, MDTemecula, CA 925901457301855
  8. Sacho Kondovski, DOTemecula, CA 925901780678706

Common questions

What is Gerardo William Hizon, MD, FAAFP, CAQSM's NPI number?

Gerardo William Hizon, MD, FAAFP, CAQSM's National Provider Identifier (NPI) is 1205898558, issued on Apr 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gerardo William Hizon, MD, FAAFP, CAQSM located?

The NPPES record lists a practice address at 27699 Jefferson Ave Ste 101, Temecula, CA, 92590. Phone: (951) 790-0107. Providers update this record themselves, so call before visiting.

How can I verify Gerardo William Hizon, MD, FAAFP, CAQSM's license?

NPPES lists California license number G55359, 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 Gerardo William Hizon, MD, FAAFP, CAQSM prescribe under Medicare Part D?

In 2024, Gerardo William Hizon, MD, FAAFP, CAQSM had 4,733 Medicare Part D claims for 456 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.