Petros K. Frousiakis, D.O., a Professional Corporation
NPI 1659838373 · Sports Medicine (Orthopaedic Surgery) Physician · Ventura, CA
Enrolled with Medicare as Dme Supplier - Physician - Unknown Physician Specialty · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Petros K. Frousiakis, D.O., a Professional Corporation is a Sports Medicine (Orthopaedic Surgery) Physician organization in Ventura, CA (NPI 1659838373).
Provider details
- NPI number
- 1659838373
- Entity type
- Organization
- Primary specialty
- Sports Medicine (Orthopaedic Surgery) PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Marisol Schaniel, Office Manager(805) 948-6348
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
7 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
- 2019-02-28
- Last updated
- 2025-06-17
- Certified
- 2025-06-17
Frequently asked questions
- What is Petros K. Frousiakis, D.O., a Professional Corporation's NPI number?
- Petros K. Frousiakis, D.O., a Professional Corporation's National Provider Identifier (NPI) is 1659838373, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Petros K. Frousiakis, D.O., a Professional Corporation?
- Petros K. Frousiakis, D.O., a Professional Corporation is classified in the NPPES registry as Sports Medicine (Orthopaedic Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is Petros K. Frousiakis, D.O., a Professional Corporation located?
- Petros K. Frousiakis, D.O., a Professional Corporation's practice location on file with NPPES is 168 N Brent St Ste 302, Ventura, CA 93003-2840.
- What is Petros K. Frousiakis, D.O., a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Petros K. Frousiakis, D.O., a Professional Corporation is (805) 948-6373.
- Does Petros K. Frousiakis, D.O., a Professional Corporation accept Medicare?
- Petros K. Frousiakis, D.O., a Professional Corporation is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Petros K. Frousiakis, D.O., a Professional Corporation?
- The authorized official listed on Petros K. Frousiakis, D.O., a Professional Corporation's NPPES record is Marisol Schaniel, Office Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Petros K. Frousiakis, D.O., a Professional Corporation's NPI active?
- Yes — Petros K. Frousiakis, D.O., a Professional Corporation's NPI (1659838373) is active in the NPPES registry as of the last update on 2025-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.