Armando De Fex, MD
NPI 1376504704 · Family Medicine Physician · Dallas, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Armando De Fex, MD is a Family Medicine Physician provider in Dallas, TX (NPI 1376504704).
Provider details
- NPI number
- 1376504704
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- K6560 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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 · 76 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metformin Hcl | 671 | 227 |
| Rosuvastatin Calcium | 538 | 204 |
| Atorvastatin Calcium | 479 | 173 |
| Amlodipine Besylate | 475 | 164 |
| Lisinopril | 350 | 134 |
| Levothyroxine Sodium | 297 | 102 |
| Simvastatin |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-28
- Last updated
- 2023-11-21
- Certified
- 2023-11-21
Frequently asked questions
- What is Armando De Fex's NPI number?
- Armando De Fex's National Provider Identifier (NPI) is 1376504704, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Armando De Fex's specialty?
- Armando De Fex is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Armando De Fex located?
- Armando De Fex's practice location on file with NPPES is 800 N Bishop Ave Ste 2, Dallas, TX 75208-4203.
- What is Armando De Fex's phone number?
- The practice phone number listed in the NPPES registry for Armando De Fex is (214) 941-0801.
- Does Armando De Fex accept Medicare?
- Armando De Fex is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Armando De Fex's NPI active?
- Yes — Armando De Fex's NPI (1376504704) is active in the NPPES registry as of the last update on 2023-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.