Spencer Evenhuis, D.O.
NPI 1144510595 · Anesthesiology Physician · Huntsville, AL
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Spencer Evenhuis, D.O. is a Anesthesiology Physician provider in Huntsville, AL (NPI 1144510595).
Provider details
- NPI number
- 1144510595
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 13458 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
15 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
303 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 Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 63 | $58 |
| Anesthesia for Lens Surgery00142 | 35 | $67 |
| Anesthesia for Other Procedure on Eye00140 | 27 | $106 |
| Anesthesia for Nerve Block and Injection Procedure, Prone Position01992 | 25 | $56 |
| Anesthesia for Insertion of Permanent Heart Pacemaker00530 | 24 | $90 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 23 | $60 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2011-04-19
- Last updated
- 2014-10-13
Frequently asked questions
- What is Spencer Evenhuis's NPI number?
- Spencer Evenhuis's National Provider Identifier (NPI) is 1144510595, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Spencer Evenhuis's specialty?
- Spencer Evenhuis is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Spencer Evenhuis located?
- Spencer Evenhuis's practice location on file with NPPES is 721 Madison St Se, Huntsville, AL 35801-4408.
- What is Spencer Evenhuis's phone number?
- The practice phone number listed in the NPPES registry for Spencer Evenhuis is (256) 880-6711.
- Does Spencer Evenhuis accept Medicare?
- Spencer Evenhuis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Spencer Evenhuis's NPI active?
- Yes — Spencer Evenhuis's NPI (1144510595) is active in the NPPES registry as of the last update on 2014-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.