Marek Grzybowski, P.T.
NPI 1205256443 · Physical Therapist · Sonoma, CA
Marek Grzybowski, P.T. is a Physical Therapist provider in Sonoma, CA (NPI 1205256443).
Provider details
- NPI number
- 1205256443
- Entity type
- Individual
- Primary specialty
- Physical TherapistRespiratory, Developmental, Rehabilitative and Restorative Service Providers
- Credential
- P.T.
- Sex
- Male
- Sole proprietor
- No
- License
- 33724 (CA)
Specialties & taxonomies
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
12 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
- 2014-04-25
- Last updated
- 2014-04-25
Frequently asked questions
- What is Marek Grzybowski's NPI number?
- Marek Grzybowski's National Provider Identifier (NPI) is 1205256443, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marek Grzybowski's specialty?
- Marek Grzybowski is listed in the NPPES registry with a primary specialty of Physical Therapist (Respiratory, Developmental, Rehabilitative and Restorative Service Providers).
- Where is Marek Grzybowski located?
- Marek Grzybowski's practice location on file with NPPES is 347 Andrieux St, Sonoma, CA 95476-6811.
- What is Marek Grzybowski's phone number?
- The practice phone number listed in the NPPES registry for Marek Grzybowski is (707) 935-5345.
- Is Marek Grzybowski's NPI active?
- Yes — Marek Grzybowski's NPI (1205256443) is active in the NPPES registry as of the last update on 2014-04-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.