What is Karen Mathews's NPI number?

Karen Mathews's National Provider Identifier (NPI) is 1194605303, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Karen Mathews's specialty?

Karen Mathews is listed in the NPPES registry with a primary specialty of Pediatric Cardiology Physician (Allopathic & Osteopathic Physicians).

Where is Karen Mathews located?

Karen Mathews's practice location on file with NPPES is 2460 43rd St N, St Petersburg, FL 33713-3200.

What is Karen Mathews's phone number?

The practice phone number listed in the NPPES registry for Karen Mathews is (703) 595-5615.

Is Karen Mathews's NPI active?

Yes — Karen Mathews's NPI (1194605303) is active in the NPPES registry as of the last update on 2026-02-11.

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Karen Mathews

NPI 1194605303 · Pediatric Cardiology Physician · St Petersburg, FL

Karen Mathews is a Pediatric Cardiology Physician provider in St Petersburg, FL (NPI 1194605303).

Provider details

NPI number: 1194605303
Entity type: Individual
Primary specialty: Pediatric Cardiology PhysicianAllopathic & Osteopathic Physicians
Sex: Female
Sole proprietor: No
License: 202617923 (NC)

Specialties & taxonomies

Pediatric Cardiology PhysicianPrimary2080P0202XLicense 202617923 (NC)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(54/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in 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

2460 43rd St N

St Petersburg, FL 33713-3200

Phone: (703) 595-5615

Street-level locationGet directions

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Mailing address