Guillermo Cantu-Reyna, M.D.
NPI 1447389101 · Neurology Physician · National City, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guillermo Cantu-Reyna, M.D. is a Neurology Physician provider in National City, CA (NPI 1447389101).
Provider details
- NPI number
- 1447389101
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A41375 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 34 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 168 | 65 |
| Metformin Hcl | 121 | 46 |
| Amlodipine Besylate | 93 | 38 |
| Lisinopril | 89 | 38 |
| Levothyroxine Sodium | 57 | 24 |
| Losartan Potassium | 53 | 24 |
| Semaglutide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 4060 Fairmount AveFamily PracticeSan Diego, CA 92105-1608Phone: (619) 255-9155Fax: (619) 795-9849
Registry dates
- Enumerated
- 2007-03-05
- Last updated
- 2023-02-01
- Certified
- 2023-02-01
Frequently asked questions
- What is Guillermo Cantu-Reyna's NPI number?
- Guillermo Cantu-Reyna's National Provider Identifier (NPI) is 1447389101, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guillermo Cantu-Reyna's specialty?
- Guillermo Cantu-Reyna is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Guillermo Cantu-Reyna located?
- Guillermo Cantu-Reyna's practice location on file with NPPES is 217 Highland Ave, National City, CA 91950-1518.
- What is Guillermo Cantu-Reyna's phone number?
- The practice phone number listed in the NPPES registry for Guillermo Cantu-Reyna is (619) 434-7308.
- Does Guillermo Cantu-Reyna accept Medicare?
- Guillermo Cantu-Reyna is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guillermo Cantu-Reyna's NPI active?
- Yes — Guillermo Cantu-Reyna's NPI (1447389101) is active in the NPPES registry as of the last update on 2023-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.