J Paonessa MD PA
NPI 1225019649 · Hematology & Oncology Physician · St. Petersburg, FL
J Paonessa MD PA is a Hematology & Oncology Physician organization in St. Petersburg, FL (NPI 1225019649).
Provider details
- NPI number
- 1225019649
- Entity type
- Organization
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Marulyn Frystak, Coo(727) 821-0017
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Gulfcoast Oncology Associates
Registry dates
- Enumerated
- 2005-11-11
- Last updated
- 2010-11-24
Frequently asked questions
- What is J Paonessa MD PA's NPI number?
- J Paonessa MD PA's National Provider Identifier (NPI) is 1225019649, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is J Paonessa MD PA?
- J Paonessa MD PA is classified in the NPPES registry as Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is J Paonessa MD PA located?
- J Paonessa MD PA's practice location on file with NPPES is 1201 5th Avenue North, St. Petersburg, FL 33705.
- What is J Paonessa MD PA's phone number?
- The practice phone number listed in the NPPES registry for J Paonessa MD PA is (727) 821-0017.
- Who is the authorized official for J Paonessa MD PA?
- The authorized official listed on J Paonessa MD PA's NPPES record is Marulyn Frystak, Coo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is J Paonessa MD PA's NPI active?
- Yes — J Paonessa MD PA's NPI (1225019649) is active in the NPPES registry as of the last update on 2010-11-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.