Ricardo Diaz, DDS, MS
NPI 1538259254 · Periodontics · San Antonio, TX
Enrolled with Medicare as Order and Referring Only - Other (physician) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ricardo Diaz, DDS, MS is a Periodontics provider in San Antonio, TX (NPI 1538259254).
Provider details
- NPI number
- 1538259254
- Entity type
- Individual
- Primary specialty
- PeriodonticsDental Providers
- Credential
- DDS, MS
- Sex
- Male
- Sole proprietor
- No
- License
- 14488 (TX)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
19 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin | 295 | 233 |
| Chlorhexidine Gluconate | 259 | 229 |
| Methylprednisolone | 229 | 205 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 224 | 190 |
| Clindamycin Hcl | 38 | 31 |
| Tramadol Hcl | 31 | 24 |
| Fluocinonide | 19 | — |
| Azithromycin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$95 across 3 records (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
- 2006-10-13
- Last updated
- 2009-02-23
Frequently asked questions
- What is Ricardo Diaz's NPI number?
- Ricardo Diaz's National Provider Identifier (NPI) is 1538259254, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ricardo Diaz's specialty?
- Ricardo Diaz is listed in the NPPES registry with a primary specialty of Periodontics (Dental Providers).
- Where is Ricardo Diaz located?
- Ricardo Diaz's practice location on file with NPPES is 4871 Fredericksburg Rd, San Antonio, TX 78229.
- What is Ricardo Diaz's phone number?
- The practice phone number listed in the NPPES registry for Ricardo Diaz is (210) 349-5553.
- Does Ricardo Diaz accept Medicare?
- Ricardo Diaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ricardo Diaz's NPI active?
- Yes — Ricardo Diaz's NPI (1538259254) is active in the NPPES registry as of the last update on 2009-02-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.