ALISON BAKER
NPI 1881327005
Nurse Practitioner - Critical Care Medicine in Huntsville, AL
About Alison Baker NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALISON BAKER (NPI 1881327005) is an individual critical care medicine provider in Huntsville, Alabama, licensed in Alabama (1-146083) and active in the NPI registry since July 2022. She is enrolled in Medicare PECOS, maintains a secondary practice location in Huntsville, and is a graduate of University Of South Alabama College Of Medicine (2022).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Alison Baker is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Alison Baker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Huntsville, AL 35801
- Reassigned Medicare billing, Alabama enrollment
- 44 clinicians in this Medicare group
Huntsville, AL 35801
- Reassigned Medicare billing, Alabama enrollment
- 54 clinicians in this Medicare group
Orlando, FL 32811
- Reassigned Medicare billing, Alabama enrollment
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 35801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HUNTSVILLE, AL 35801
HUNTSVILLE, AL 35801
HUNTSVILLE, AL 35801
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alison Baker's NPI number?
The NPI number for Alison Baker is 1881327005. It was assigned to this individual provider in the NPPES registry on July 6, 2022.
Where is Alison Baker located?
Alison Baker practices at 1 Hospital Dr SW, Huntsville, AL 35801. The listed phone number is (256) 429-4000.
What is Alison Baker's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Critical Care Medicine, with taxonomy code 363LC0200X.
Is Alison Baker enrolled in Medicare?
Yes. Alison Baker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Alison Baker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alison Baker reassigns Medicare benefits to 3 organizations: Crestwood Physician Services, LLC (Huntsville, AL), Hh Health System Crestwood Physicians, LLC (Huntsville, AL) and Psynergy Health Med PLLC (Orlando, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alison Baker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alison Baker accept?
Health plans from Blue Cross and Blue Shield of Alabama and Oscar Insurance Company list Alison Baker as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Alison Baker was last updated on February 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Alison Baker · NPI 1881327005
Critical Care Medicine physician in Huntsville, Alabama. Individual provider, active in the CMS NPPES registry since July 6, 2022.
## Identity
- **NPI:** 1881327005 (Entity type: Individual)
- **Enumerated:** July 6, 2022
- **Primary specialty:** Nurse Practitioner - Critical Care Medicine · taxonomy 363LC0200X
- **State license:** 1-146083 (Alabama)
- **Sole proprietor:** No
## Practice location
- **Address:** 1 HOSPITAL DR SW, Huntsville, AL 35801-6455
- **Phone:** (256) 429-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Crestwood Physician Services, LLC (NPI 1154622520, Huntsville, AL); Hh Health System Crestwood Physicians, LLC (NPI 1487507117, Huntsville, AL); Psynergy Health Med PLLC (NPI 1891513420, Orlando, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of South Alabama College Of Medicine, class of 2022
## Record status
- **NPPES last updated:** February 6, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1881327005) · Data from the CMS NPPES public registry.