MARCUS WILLIAM PARKER M.D.
NPI 1538200969
Radiology - Diagnostic Radiology in Tampa, FL
About Marcus William Parker M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARCUS WILLIAM PARKER M.D. (NPI 1538200969) is an individual diagnostic radiology provider in Tampa, Florida, licensed in Florida (ME105858) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with Mease Dunedin Hospital, and maintains a secondary practice location in Safety Harbor.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Marcus William Parker M.d. 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
6Medicare enrollment records show Marcus Parker reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tampa, FL 33626
- Reassigned Medicare billing, Florida enrollment
- Medicare enrollment name: St Josephs Diagnostic Center LLC
- 125 clinicians in this Medicare group
Safety Harbor, FL 34695
- Reassigned Medicare billing, Florida enrollment
- Medicare enrollment name: Morton Plant Health Services Inc
- 136 clinicians in this Medicare group
Tampa, FL 33618
- Reassigned Medicare billing, Florida enrollment
- 173 clinicians in this Medicare group
Clearwater, FL 33756
- Reassigned Medicare billing, Florida enrollment
- 52 clinicians in this Medicare group
Nashville, TN 37203
- Reassigned Medicare billing, Florida enrollment
- 89 clinicians in this Medicare group
Lindenhurst, NY 11757
- Reassigned Medicare billing, Florida enrollment
- 41 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.
Areas of Expertise CMS Part B claims 41
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mease Dunedin Hospital
Acute Care Hospitals · Dunedin, FLMorton Plant North Bay Hospital
Acute Care Hospitals · New Port Richey, FLMorton Plant Hospital
Acute Care Hospitals · Clearwater, FLMease Countryside Hospital
Acute Care Hospitals · Safety Harbor, FLColiseum Medical Centers, LLC, Dba
Acute Care Hospitals · Macon, GAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33626 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Marcus Parker's NPI number?
The NPI number for Marcus Parker is 1538200969. It was assigned to this individual provider in the NPPES registry on February 9, 2007.
Where is Marcus Parker located?
Marcus Parker practices at 11508 Meridian Point Dr, Tampa, FL 33626. The listed phone number is (813) 505-7021.
What is Marcus Parker's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Diagnostic Radiology, with taxonomy code 2085R0202X.
Is Marcus Parker enrolled in Medicare?
Yes. Marcus Parker 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 Marcus Parker's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marcus Parker reassigns Medicare benefits to 6 organizations: St Joseph's Diagnostic Center LLC (Tampa, FL), Morton Plant Mease Health Services Inc (Safety Harbor, FL), Baycare Outpatient Imaging LLC (Tampa, FL), Radiology Associates Of Clearwater (Clearwater, FL), Radiology Alliance PC (Nashville, TN) and 1 more organization, listed in the Medicare section above. 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 Marcus Parker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Marcus Parker affiliated with any hospitals?
According to CMS data, Marcus Parker is affiliated with Mease Dunedin Hospital, Morton Plant North Bay Hospital, Morton Plant Hospital, Mease Countryside Hospital and Coliseum Medical Centers, LLC, Dba.
When was this NPI record last updated?
The NPPES record for Marcus Parker was last updated on November 30, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.