Heriberto Callejas, M.D.
NPI 1821107194 · Internal Medicine Physician · Dallas, TX
Heriberto Callejas, M.D. is a Internal Medicine Physician provider in Dallas, TX (NPI 1821107194).
Provider details
- NPI number
- 1821107194
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- K1380 (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
19 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 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 39 | 29 |
| Rosuvastatin Calcium | 30 | 26 |
| Losartan Potassium | 29 | 25 |
| Amlodipine Besylate | 25 | 21 |
| Lisinopril | 23 | 20 |
| Metformin Hcl | 22 | 20 |
| Levothyroxine Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-30
- Last updated
- 2008-06-06
Frequently asked questions
- What is Heriberto Callejas's NPI number?
- Heriberto Callejas's National Provider Identifier (NPI) is 1821107194, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heriberto Callejas's specialty?
- Heriberto Callejas is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Heriberto Callejas located?
- Heriberto Callejas's practice location on file with NPPES is 129 W 9th St, Dallas, TX 75208-4416.
- What is Heriberto Callejas's phone number?
- The practice phone number listed in the NPPES registry for Heriberto Callejas is (214) 941-0032.
- Is Heriberto Callejas's NPI active?
- Yes — Heriberto Callejas's NPI (1821107194) is active in the NPPES registry as of the last update on 2008-06-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.