Ariel De Llanos, M.D.
NPI 1922171743 · Psychiatry Physician · San Antonio, TX
Ariel De Llanos, M.D. is a Psychiatry Physician provider in San Antonio, TX (NPI 1922171743).
Provider details
- NPI number
- 1922171743
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- N2465 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 89 | 13 |
| Lisdexamfetamine Dimesylate | 56 | — |
| Paliperidone Palmitatebrand: Invega Sustenna | 51 | — |
| Quetiapine Fumarate | 45 | — |
| Topiramate | 41 | — |
| Olanzapine | 31 | — |
| Gabapentin | 31 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$236 across 8 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
- 2006-11-17
- Last updated
- 2022-09-06
- Certified
- 2022-09-06
Frequently asked questions
- What is Ariel De Llanos's NPI number?
- Ariel De Llanos's National Provider Identifier (NPI) is 1922171743, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ariel De Llanos's specialty?
- Ariel De Llanos is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Ariel De Llanos located?
- Ariel De Llanos's practice location on file with NPPES is 2040 Babcock Rd Ste 301, San Antonio, TX 78229-4428.
- What is Ariel De Llanos's phone number?
- The practice phone number listed in the NPPES registry for Ariel De Llanos is (210) 858-9980.
- Is Ariel De Llanos's NPI active?
- Yes — Ariel De Llanos's NPI (1922171743) is active in the NPPES registry as of the last update on 2022-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.