NPPES file of Aug 9, 2026

Guillermo Allan Cantu-Reyna, M.D.

Neurology Physician · National City, CA

Guillermo Allan Cantu-Reyna, M.D. is a neurology physician with a practice address in National City, California, and NPI 1447389101, issued on Mar 5, 2007. Check the license (California A41375, 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
1447389101
Name
Guillermo Allan Cantu-Reyna
Credential
M.D.
Primary taxonomy
Neurology Physician 2084N0400X
License number
A41375 CA
Self-reported in NPPES; status is on the state search
Practice location
217 Highland Ave, National City, CA 91950
Phone
(619) 434-7308
Enumerated
Mar 5, 2007
Record last updated
Feb 1, 2023
Fax
(619) 434-7310
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 217 Highland Ave

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

  1. Annie Challa, DDSDentist1912249426
  2. Zulma Curet, M.D.Pediatrics Physician1841561107
  3. Sapna Dharkar Surber, FNPPrimary Care Nurse Practitioner1538707765
  4. Mya KyiFamily Nurse Practitioner1619754025
  5. Amara Lai, MDFamily Medicine Physician1790912855
  6. Irene Martinez-Murguia, PA-CPhysician Assistant1447492889

Verify Guillermo Allan Cantu-Reyna in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A41375
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

25% more Medicare Part D claims than the average neurology physician in 2024

1,707 Medicare Part D claims for 165 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Guillermo Cantu-Reyna1,707
  2. Specialty average1,370

Most prescribed

  1. Atorvastatin Calcium168 claims
  2. Metformin Hcl121 claims
  3. Amlodipine Besylate93 claims
  4. Lisinopril89 claims
  5. Levothyroxine Sodium57 claims
  6. Losartan Potassium53 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: $18.67

1 payment: food and beverage; the largest payer was ViiV Healthcare Company. The 10,858 providers of this specialty with any payment received $8,318.07 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Guillermo Cantu-Reyna$18.67
  2. Specialty average$8,318.07

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

Guillermo Allan Cantu-Reyna among 2,339 neurology physician records in California

Guillermo Allan Cantu-Reyna, M.D. is one of 2,339 neurology 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, 48% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 70% of these records are
  • Record last updated2023 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Neurology Physician providers in California

There are 2,339 neurology physician records in California.

The 8 neurology physician records with the nearest ZIP codes

  1. Ramoncito Aquitania, MDLa Mesa, CA 919421922185289
  2. Amirhassan Bahreman, M.D.La Mesa, CA 919421164426953
  3. Sherry Braheny, M.D.La Mesa, CA 919421518962778
  4. Christopher Goyne, MDLa Mesa, CA 919421073074761
  5. Jeremy Hogan, M.D.La Mesa, CA 919421508876905
  6. Brandon HolbertLa Mesa, CA 919421538695697
  7. Abdel Kareem Khatib, DOLa Mesa, CA 919421255914255
  8. Robert Marks, M.D.La Mesa, CA 919421952502254

Common questions

What is Guillermo Allan Cantu-Reyna, M.D.'s NPI number?

Guillermo Allan Cantu-Reyna, M.D.'s National Provider Identifier (NPI) is 1447389101, issued on Mar 5, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Guillermo Allan Cantu-Reyna, M.D. located?

The NPPES record lists a practice address at 217 Highland Ave, National City, CA, 91950. Phone: (619) 434-7308. Providers update this record themselves, so call before visiting.

How can I verify Guillermo Allan Cantu-Reyna, M.D.'s license?

NPPES lists California license number A41375, 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 Guillermo Allan Cantu-Reyna, M.D. prescribe under Medicare Part D?

In 2024, Guillermo Allan Cantu-Reyna, M.D. had 1,707 Medicare Part D claims for 165 beneficiaries; the average among neurology physician prescribers was 1,370. 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.