Jason Mcmahan, MSN, FNP-BC
NPI 1811147820 · Family Nurse Practitioner · Houston, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jason Mcmahan, MSN, FNP-BC is a Family Nurse Practitioner provider in Houston, TX (NPI 1811147820).
Provider details
- NPI number
- 1811147820
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, FNP-BC
- Sex
- Male
- Sole proprietor
- No
- License
- 5869 (CO)
Specialties & taxonomies
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 tenure28% of score
17 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
138 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 49 | $152 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 48 | $107 |
| Critical Care, First 30-74 Minutes99291 | 21 | $182 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 20 | $7 |
Typical Medicare-allowed amounts for these services range $7–$182 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Acetaminophen With Codeinebrand: Acetaminophen-Codeine | 46 | 45 |
| Tramadol Hcl/Acetaminophenbrand: Tramadol Hcl-Acetaminophen | 24 | 24 |
| Tizanidine Hcl | 17 | 17 |
| Methocarbamol | 16 | 15 |
| Ibuprofen | 15 | 15 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 14 | 13 |
| Ondansetronbrand: Ondansetron Odt | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-09-26
- Last updated
- 2015-09-28
Frequently asked questions
- What is Jason Mcmahan's NPI number?
- Jason Mcmahan's National Provider Identifier (NPI) is 1811147820, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jason Mcmahan's specialty?
- Jason Mcmahan is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Jason Mcmahan located?
- Jason Mcmahan's practice location on file with NPPES is 1504 Taub Loop, Houston, TX 77030-1608.
- What is Jason Mcmahan's phone number?
- The practice phone number listed in the NPPES registry for Jason Mcmahan is (713) 873-2630.
- Does Jason Mcmahan accept Medicare?
- Jason Mcmahan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jason Mcmahan's NPI active?
- Yes — Jason Mcmahan's NPI (1811147820) is active in the NPPES registry as of the last update on 2015-09-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.