Tim Castro, M.D.
NPI 1447418538 · Internal Medicine Physician · Tyler, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tim Castro, M.D. is a Internal Medicine Physician provider in Tyler, TX (NPI 1447418538).
Provider details
- NPI number
- 1447418538
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- N0679 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
18 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
696 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 307 | $75 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 211 | $112 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 94 | $108 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 51 | $163 |
| Advance Care Planning, First 30 Minutes99497 | 33 | $72 |
Typical Medicare-allowed amounts for these services range $72–$163 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 57 | 57 |
| Ondansetron Hcl | 25 | 25 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 21 | 19 |
| Atorvastatin Calcium | 17 | 17 |
| Pantoprazole Sodium | 17 | 16 |
| Amlodipine Besylate | 16 | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-05-27
- Last updated
- 2011-04-04
Frequently asked questions
- What is Tim Castro's NPI number?
- Tim Castro's National Provider Identifier (NPI) is 1447418538, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tim Castro's specialty?
- Tim Castro is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tim Castro located?
- Tim Castro's practice location on file with NPPES is 912 S Fleishel Ave, Tyler, TX 75701-2018.
- What is Tim Castro's phone number?
- The practice phone number listed in the NPPES registry for Tim Castro is (903) 592-6901.
- Does Tim Castro accept Medicare?
- Tim Castro is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tim Castro's NPI active?
- Yes — Tim Castro's NPI (1447418538) is active in the NPPES registry as of the last update on 2011-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.