Doctor profile · Federal record

Dr. Anthony Stack, DO

Internal Medicine Physician (CMS: Hematology/Oncology) · Student in an Organized Health Care Education/Training Program · Safety Harbor, FL

  • NPI 1528562832
  • Accepts Medicare
  • 8 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
1840 Mease Dr Ste 409
Safety Harbor, FL 346956606
(727) 443-8450
fax (727) 533-5911
Additional location
653-1 W 8Th St # L18
Jacksonville, FL 322096511
(904) 383-1003
fax (904) 244-7388
Mailing address
2995 Drew St Fl 2
Clearwater, FL 337593012

Credentials & registration

NPPES · NUCC
NPI registered
March 2018 — 8 yrs on file
Profile last updated
September 9, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Florida #UO5932

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528562832. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,062
Transactions
21
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
AstraZeneca Pharmaceuticals LP 3 $298.43
Exelixis Inc. 2 $236.28
Janssen Biotech, Inc. 2 $138.18
PFIZER INC. 2 $103.78
ABBVIE INC. 2 $42.12
Rigel Pharmaceuticals, Inc. 2 $35.77
Novartis Pharmaceuticals Corporation 1 $31.68
GlaxoSmithKline, LLC. 1 $28.50
Daiichi Sankyo Inc. 1 $28.46
Lilly USA, LLC 1 $27.61
Astellas Pharma US Inc 1 $25.53
SOBI, INC 1 $23.19
Sumitomo Pharma America, Inc. 1 $22.84
PUMA BIOTECHNOLOGY, INC. 1 $19.93

By nature of payment

Food and Beverage
$886
Education
$176

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
17
Patients
0
Total drug cost
$395
Drug Type Claims Patients Total cost
Tamoxifen Citrate Generic 17 0 $395

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Anthony Stack's medical specialty?
Dr. Anthony Stack practices Internal Medicine Physician in Safety Harbor, FL.
Where does Dr. Anthony Stack practice?
Dr. Anthony Stack practices at 1840 Mease Dr Ste 409, Safety Harbor, FL 346956606. Office phone: 7274438450.
What is Dr. Anthony Stack's NPI?
Dr. Anthony Stack's National Provider Identifier (NPI) is 1528562832, issued by NPPES.
Does Dr. Anthony Stack accept Medicare assignment?
Yes. Dr. Anthony Stack accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.