Fernando Siles, M.D.
NPI 1851323059 · Specialist · Greenville, TX
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Fernando Siles, M.D. is a Specialist provider in Greenville, TX (NPI 1851323059).
Provider details
- NPI number
- 1851323059
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G7002 (TX)
Specialties & taxonomies
Other Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 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
637 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 604 | $110 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 33 | $169 |
Typical Medicare-allowed amounts for these services range $110–$169 (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 · 65 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clonazepam | 220 | 44 |
| Trazodone Hcl | 192 | 40 |
| Risperidone | 187 | 27 |
| Quetiapine Fumarate | 173 | 32 |
| Sertraline Hcl | 155 | 26 |
| Alprazolam | 148 | 25 |
| Buspirone Hcl | 148 | 29 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$216 across 21 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
- 2006-07-07
- Last updated
- 2020-06-16
- Certified
- 2020-06-16
Frequently asked questions
- What is Fernando Siles's NPI number?
- Fernando Siles's National Provider Identifier (NPI) is 1851323059, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Fernando Siles's specialty?
- Fernando Siles is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Fernando Siles located?
- Fernando Siles's practice location on file with NPPES is 2405 Stonewall St, Greenville, TX 75401-3349.
- What is Fernando Siles's phone number?
- The practice phone number listed in the NPPES registry for Fernando Siles is (903) 454-3300.
- Does Fernando Siles accept Medicare?
- Fernando Siles is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Fernando Siles's NPI active?
- Yes — Fernando Siles's NPI (1851323059) is active in the NPPES registry as of the last update on 2020-06-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.