Aristotle Callado, DO
NPI 1144843970 · Emergency Medicine Physician · Sherman, TX
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aristotle Callado, DO is a Emergency Medicine Physician provider in Sherman, TX (NPI 1144843970).
Provider details
- NPI number
- 1144843970
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- T2568 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
6 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
727 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 323 | $164 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 232 | $115 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 109 | $8 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 51 | $68 |
| Critical Care, First 30-74 Minutes99291 | 12 | $199 |
Typical Medicare-allowed amounts for these services range $8–$199 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 127 | 126 |
| Doxycycline Hyclate | 121 | 120 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 101 | 97 |
| Cephalexin | 68 | 68 |
| Ondansetronbrand: Ondansetron Odt | 53 | 52 |
| Etodolac | 38 | 38 |
| Tizanidine Hcl | 30 | 30 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2020-05-27
- Last updated
- 2024-11-07
- Certified
- 2024-11-07
Frequently asked questions
- What is Aristotle Callado's NPI number?
- Aristotle Callado's National Provider Identifier (NPI) is 1144843970, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aristotle Callado's specialty?
- Aristotle Callado is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Aristotle Callado located?
- Aristotle Callado's practice location on file with NPPES is 809 Gallagher Dr Ste D, Sherman, TX 75090-1754.
- What is Aristotle Callado's phone number?
- The practice phone number listed in the NPPES registry for Aristotle Callado is (903) 771-2846.
- Does Aristotle Callado accept Medicare?
- Aristotle Callado is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aristotle Callado's NPI active?
- Yes — Aristotle Callado's NPI (1144843970) is active in the NPPES registry as of the last update on 2024-11-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.