MS. MARIA WILLIAMSON AA-C
NPI 1902206584
Anesthesiologist Assistant in Tampa, FL
About Ms. Maria Williamson Aa-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARIA WILLIAMSON AA-C (NPI 1902206584) is an individual anesthesiologist assistant in Tampa, Florida, licensed in Florida (AA220) and active in the NPI registry since September 2014. She is affiliated with Hca Florida Trinity Hospital, maintains a secondary practice location in Jacksonville, and is a graduate of Other (2014).
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
Ms. Maria Williamson Aa-c 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
4Medicare enrollment records show Maria Williamson reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Clearwater, FL 33759
- Reassigned Medicare billing, Florida enrollment
- 2,009 clinicians in this Medicare group
Bradenton, FL 34209
- Reassigned Medicare billing, Florida enrollment
- 792 clinicians in this Medicare group
St Augustine, FL 32086
- Reassigned Medicare billing, Florida enrollment
- 177 clinicians in this Medicare group
Melville, NY 11747
- Reassigned Medicare billing, Florida enrollment
- 628 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Hca Florida Trinity Hospital
Acute Care Hospitals · Trinity, FLOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Maria Williamson's NPI number?
The NPI number for Maria Williamson is 1902206584. It was assigned to this individual provider in the NPPES registry on September 2, 2014.
Where is Maria Williamson located?
Maria Williamson practices at 3001 W Dr Mlk Blvd, Tampa, FL 33607. The listed phone number is (813) 870-4000.
What is Maria Williamson's specialty?
The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.
Is Maria Williamson enrolled in Medicare?
Yes. Maria Williamson 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 Maria Williamson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maria Williamson reassigns Medicare benefits to 4 organizations: Baycare Medical Group, Inc. (Clearwater, FL), Sunshine State Anesthesia Partners LLC (Bradenton, FL), North Florida Anesthesia Consultants, Inc. (St Augustine, FL) and American Anesthesiology Services Of Florida, Inc. (Melville, NY). 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 Maria Williamson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Maria Williamson accept?
Health plans from Cigna HealthCare of Florida, Inc., Cigna Healthcare and Oscar Health Maintenance Organization of Florida list Maria Williamson 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.
Is Maria Williamson affiliated with any hospitals?
According to CMS data, Maria Williamson is affiliated with Hca Florida Trinity Hospital.
When was this NPI record last updated?
The NPPES record for Maria Williamson was last updated on January 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.
# Ms. Maria Williamson, AA-C · NPI 1902206584
Anesthesiologist Assistant physician in Tampa, Florida. Individual provider, active in the CMS NPPES registry since September 2, 2014.
## Identity
- **NPI:** 1902206584 (Entity type: Individual)
- **Enumerated:** September 2, 2014
- **Primary specialty:** Anesthesiologist Assistant · taxonomy 367H00000X
- **State license:** AA220 (Florida)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 3001 W DR MLK BLVD, Tampa, FL 33607-6307
- **Phone:** (813) 870-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Baycare Medical Group, Inc. (NPI 1043269871, Clearwater, FL); Sunshine State Anesthesia Partners LLC (NPI 1437757127, Bradenton, FL); North Florida Anesthesia Consultants, Inc. (NPI 1114892361, St Augustine, FL); American Anesthesiology Services Of Florida, Inc. (NPI 1508318387, Melville, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** January 18, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1902206584) · Data from the CMS NPPES public registry.