Diego Valencia-Chavez, M.D
NPI 1588896922 · Internal Medicine Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diego Valencia-Chavez, M.D is a Internal Medicine Physician provider in San Antonio, TX (NPI 1588896922).
Provider details
- NPI number
- 1588896922
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- No
- License
- ME116294 (FL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
704 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 50 Minutes99233 | 252 | $113 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 189 | $165 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 174 | $109 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 56 | $75 |
| Hospital Discharge Day Management, 30 Minutes Or Less99238 | 20 | $77 |
| Initial Hospital Care With Same-Day Admission and Discharge With High Level of Medical Decision Making, Per Day, If Using Time, at Least 85 Minutes99236 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tramadol Hcl | 52 | 51 |
| Gabapentin | 45 | 45 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 40 | 39 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 35 | 35 |
| Celecoxib | 33 | 33 |
| Pantoprazole Sodium | 23 | 22 |
| Clopidogrel Bisulfate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$171 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
Registry dates
- Enumerated
- 2009-08-19
- Last updated
- 2025-01-09
- Certified
- 2025-01-09
Frequently asked questions
- What is Diego Valencia-Chavez's NPI number?
- Diego Valencia-Chavez's National Provider Identifier (NPI) is 1588896922, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diego Valencia-Chavez's specialty?
- Diego Valencia-Chavez is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Diego Valencia-Chavez located?
- Diego Valencia-Chavez's practice location on file with NPPES is 18414 US Highway 281 N Ste 104, San Antonio, TX 78259-7611.
- What is Diego Valencia-Chavez's phone number?
- The practice phone number listed in the NPPES registry for Diego Valencia-Chavez is (210) 495-0224.
- Does Diego Valencia-Chavez accept Medicare?
- Diego Valencia-Chavez is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diego Valencia-Chavez's NPI active?
- Yes — Diego Valencia-Chavez's NPI (1588896922) is active in the NPPES registry as of the last update on 2025-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.