DR. ANTHONY STEWART STACK II DO
NPI 1528562832
Internal Medicine in Safety Harbor, FL
About Dr. Anthony Stewart Stack Ii Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANTHONY STEWART STACK II DO (NPI 1528562832) is an individual internal medicine provider in Safety Harbor, Florida, licensed in Florida (UO5932) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, is affiliated with Mease Dunedin Hospital, and maintains a secondary practice location in Jacksonville.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 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
Dr. Anthony Stewart Stack Ii Do 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 Reassignment
Medicare enrollment records show Anthony Stack reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Clearwater, FL 33759
- Reassigned Medicare billing, Florida enrollment
- 2,009 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 3
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mease Dunedin Hospital
Acute Care Hospitals · Dunedin, FLSt Josephs Hospital
Acute Care Hospitals · Tampa, FLMorton Plant Hospital
Acute Care Hospitals · Clearwater, FLMease Countryside Hospital
Acute Care Hospitals · Safety Harbor, FLPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 34695 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAFETY HARBOR, FL 34695
SAFETY HARBOR, FL 34695
SAFETY HARBOR, FL 34695
SAFETY HARBOR, FL 34695
SAFETY HARBOR, FL 34695
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 Anthony Stack's NPI number?
The NPI number for Anthony Stack is 1528562832. It was assigned to this individual provider in the NPPES registry on March 21, 2018.
Where is Anthony Stack located?
Anthony Stack practices at 1840 Mease Dr Ste 409, Safety Harbor, FL 34695. The listed phone number is (727) 443-8450.
What is Anthony Stack's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Anthony Stack enrolled in Medicare?
Yes. Anthony Stack 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 organization bills Medicare for Anthony Stack's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Anthony Stack reassigns Medicare benefits to Baycare Medical Group, Inc. (Clearwater, FL). The 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 Anthony Stack's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Anthony Stack accept?
Health plans from Ambetter Health, Ambetter from Superior HealthPlan, AvMed, Florida Blue (BlueCross BlueShield FL) and Florida Blue HMO (a BlueCross BlueShield FL company) list Anthony Stack 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 Anthony Stack affiliated with any hospitals?
According to CMS data, Anthony Stack is affiliated with Mease Dunedin Hospital, St Josephs Hospital, Morton Plant Hospital and Mease Countryside Hospital.
When was this NPI record last updated?
The NPPES record for Anthony Stack was last updated on September 9, 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.
# Dr. Anthony Stewart Stack II, DO · NPI 1528562832
Internal Medicine physician in Safety Harbor, Florida. Individual provider, active in the CMS NPPES registry since March 21, 2018.
## Identity
- **NPI:** 1528562832 (Entity type: Individual)
- **Enumerated:** March 21, 2018
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** UO5932 (Florida)
- **Sole proprietor:** No
## Practice location
- **Address:** 1840 MEASE DR STE 409, Safety Harbor, FL 34695-6606
- **Phone:** (727) 443-8450 · **Fax:** (727) 533-5911
## 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:** Baycare Medical Group, Inc. (NPI 1043269871, Clearwater, FL), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Lake Erie College Of Osteopathic Medicine, Erie, class of 2018
## Record status
- **NPPES last updated:** September 9, 2024
- **Other identifiers:** Other UO5932 (FL)
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Source: [NPI Profile](https://npiprofile.com/npi/1528562832) · Data from the CMS NPPES public registry.