Barbara Witowska, MS PAC
NPI 1013034230 · Medical Physician Assistant · Rancho Santa Margarita, CA
Barbara Witowska, MS PAC is a Medical Physician Assistant provider in Rancho Santa Margarita, CA (NPI 1013034230).
Provider details
- NPI number
- 1013034230
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MS PAC
- Sex
- Female
- Sole proprietor
- No
- License
- PA17153 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2007-03-23
- Last updated
- 2014-09-10
Frequently asked questions
- What is Barbara Witowska's NPI number?
- Barbara Witowska's National Provider Identifier (NPI) is 1013034230, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Barbara Witowska's specialty?
- Barbara Witowska is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Barbara Witowska located?
- Barbara Witowska's practice location on file with NPPES is 22032 El Paseo Ste 130, Rancho Santa Margarita, CA 92688-3947.
- What is Barbara Witowska's phone number?
- The practice phone number listed in the NPPES registry for Barbara Witowska is (949) 589-9112.
- Is Barbara Witowska's NPI active?
- Yes — Barbara Witowska's NPI (1013034230) is active in the NPPES registry as of the last update on 2014-09-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.