Mark Karas, MD
NPI 1265471742 · Family Medicine Physician · St Augustine, FL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Karas, MD is a Family Medicine Physician provider in St Augustine, FL (NPI 1265471742).
Provider details
- NPI number
- 1265471742
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- MD019473E (PA)
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
Registry dates
- Enumerated
- 2006-06-06
- Last updated
- 2015-10-09
Frequently asked questions
- What is Mark Karas's NPI number?
- Mark Karas's National Provider Identifier (NPI) is 1265471742, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Karas's specialty?
- Mark Karas is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Karas located?
- Mark Karas's practice location on file with NPPES is 195 Southpark Blvd, St Augustine, FL 32086-5134.
- What is Mark Karas's phone number?
- The practice phone number listed in the NPPES registry for Mark Karas is (904) 823-2961.
- Does Mark Karas accept Medicare?
- Mark Karas is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Karas's NPI active?
- Yes — Mark Karas's NPI (1265471742) is active in the NPPES registry as of the last update on 2015-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.