Christopher Warmath, FNP-C
NPI 1013458223 · Family Nurse Practitioner · San Antonio, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Warmath, FNP-C is a Family Nurse Practitioner provider in San Antonio, TX (NPI 1013458223).
Provider details
- NPI number
- 1013458223
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Male
- Sole proprietor
- No
- License
- 854392 (TX)
Specialties & taxonomies
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
9 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
419 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 124 | $73 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 117 | $103 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 29 | $61 |
| X-Ray of Wrist, Minimum of 3 Views73110 | 29 | $33 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 25 | $136 |
| X-Ray of Hand, Minimum of 3 Views73130 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 244 | 88 |
| Meloxicam | 182 | 70 |
| Tramadol Hcl | 169 | 66 |
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 106 | 49 |
| Pregabalin | 81 | 34 |
| Cyclobenzaprine Hcl | 65 | 28 |
| Celecoxib | 58 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$46 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
Additional practice locations (1)
- 250 W Sunset Rd Ste 210San Antonio, TX 78209-2651Phone: (210) 704-0165
Registry dates
- Enumerated
- 2017-03-20
- Last updated
- 2025-12-08
- Certified
- 2025-12-08
Frequently asked questions
- What is Christopher Warmath's NPI number?
- Christopher Warmath's National Provider Identifier (NPI) is 1013458223, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Warmath's specialty?
- Christopher Warmath is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christopher Warmath located?
- Christopher Warmath's practice location on file with NPPES is 10010 Rogers Xing Ste 308, San Antonio, TX 78251-4776.
- What is Christopher Warmath's phone number?
- The practice phone number listed in the NPPES registry for Christopher Warmath is (210) 598-5605.
- Does Christopher Warmath accept Medicare?
- Christopher Warmath is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Warmath's NPI active?
- Yes — Christopher Warmath's NPI (1013458223) is active in the NPPES registry as of the last update on 2025-12-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.