Cyril Gaiennie, DNP
NPI 1851890388 · Acute Care Nurse Practitioner · San Antonio, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cyril Gaiennie, DNP is a Acute Care Nurse Practitioner provider in San Antonio, TX (NPI 1851890388).
Provider details
- NPI number
- 1851890388
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP
- Sex
- Male
- Sole proprietor
- Yes
- License
- AP136490 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 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
1,144 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 | 853 | $96 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 139 | $92 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 90 | $139 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 62 | $64 |
Typical Medicare-allowed amounts for these services range $64–$139 (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 · 11 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tramadol Hcl | 78 | 72 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 36 | 35 |
| Furosemide | 20 | 19 |
| Atorvastatin Calcium | 18 | 18 |
| Apixabanbrand: Eliquis | 17 | 15 |
| Carvedilol | 16 | 15 |
| Metoprolol Tartrate | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$22 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
- 2018-02-11
- Last updated
- 2024-10-11
- Certified
- 2024-10-11
Frequently asked questions
- What is Cyril Gaiennie's NPI number?
- Cyril Gaiennie's National Provider Identifier (NPI) is 1851890388, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cyril Gaiennie's specialty?
- Cyril Gaiennie is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cyril Gaiennie located?
- Cyril Gaiennie's practice location on file with NPPES is 16620 N US Highway 281 Ste 300, San Antonio, TX 78232-2679.
- What is Cyril Gaiennie's phone number?
- The practice phone number listed in the NPPES registry for Cyril Gaiennie is (210) 309-1405.
- Does Cyril Gaiennie accept Medicare?
- Cyril Gaiennie is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cyril Gaiennie's NPI active?
- Yes — Cyril Gaiennie's NPI (1851890388) is active in the NPPES registry as of the last update on 2024-10-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.