Luis Guillen-Hernandez, MD
NPI 1639832124 · Internal Medicine Physician · Charlotte, NC
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Luis Guillen-Hernandez, MD is a Internal Medicine Physician provider in Charlotte, NC (NPI 1639832124).
Provider details
- NPI number
- 1639832124
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- P112080 (NY)
Specialties & taxonomies
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
4 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 · 16 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 53 | 37 |
| Amlodipine Besylate | 42 | 25 |
| Empagliflozinbrand: Jardiance | 24 | 13 |
| Metoprolol Succinate | 23 | 15 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 23 | 15 |
| Lisinopril | 19 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$32 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)
- 374 Stockholm StBrooklyn, NY 11237-4006Phone: (718) 963-7272
Registry dates
- Enumerated
- 2021-10-21
- Last updated
- 2025-09-24
- Certified
- 2025-09-24
Frequently asked questions
- What is Luis Guillen-Hernandez's NPI number?
- Luis Guillen-Hernandez's National Provider Identifier (NPI) is 1639832124, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Luis Guillen-Hernandez's specialty?
- Luis Guillen-Hernandez is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Luis Guillen-Hernandez located?
- Luis Guillen-Hernandez's practice location on file with NPPES is 5740 N Graham St, Charlotte, NC 28269-4839.
- What is Luis Guillen-Hernandez's phone number?
- The practice phone number listed in the NPPES registry for Luis Guillen-Hernandez is (704) 251-8340.
- Does Luis Guillen-Hernandez accept Medicare?
- Luis Guillen-Hernandez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Luis Guillen-Hernandez's NPI active?
- Yes — Luis Guillen-Hernandez's NPI (1639832124) is active in the NPPES registry as of the last update on 2025-09-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.