Matthew Merrell
NPI 1275997389 · Anesthesiology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Matthew Merrell is a Anesthesiology Physician provider in Houston, TX (NPI 1275997389).
Provider details
- NPI number
- 1275997389
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Male
- Sole proprietor
- No
- License
- 7237014-1204 (UT)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 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
111 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) |
|---|---|---|
| Anesthesia for Electroshock Therapy00104 | 37 | $107 |
| Anesthesia for Lens Surgery00142 | 20 | $72 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 16 | $104 |
| Anesthesia for Extensive Surgery on Spine00670 | 14 | $600 |
| Insertion of Artery Tube for Blood Sampling Or Infusion Through Skin36620 | 13 | $43 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 11 | $345 |
Typical Medicare-allowed amounts for these services range $43–$600 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-04-06
- Last updated
- 2021-11-22
- Certified
- 2021-11-22
Frequently asked questions
- What is Matthew Merrell's NPI number?
- Matthew Merrell's National Provider Identifier (NPI) is 1275997389, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Matthew Merrell's specialty?
- Matthew Merrell is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Matthew Merrell located?
- Matthew Merrell's practice location on file with NPPES is 6431 Fannin St, Houston, TX 77030-1501.
- What is Matthew Merrell's phone number?
- The practice phone number listed in the NPPES registry for Matthew Merrell is (713) 500-6113.
- Does Matthew Merrell accept Medicare?
- Matthew Merrell is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Matthew Merrell's NPI active?
- Yes — Matthew Merrell's NPI (1275997389) is active in the NPPES registry as of the last update on 2021-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.