Aron Baum, PA-C
NPI 1255851119 · Physician Assistant · Mill Valley, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Aron Baum, PA-C is a Physician Assistant provider in Mill Valley, CA (NPI 1255851119).
Provider details
- NPI number
- 1255851119
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- No
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
9 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2017-06-22
- Last updated
- 2022-07-01
- Certified
- 2022-07-01
Frequently asked questions
- What is Aron Baum's NPI number?
- Aron Baum's National Provider Identifier (NPI) is 1255851119, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Aron Baum's specialty?
- Aron Baum is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Aron Baum located?
- Aron Baum's practice location on file with NPPES is 750 Redwood Hwy Frontage Rd Ste 1204, Mill Valley, CA 94941-2483.
- What is Aron Baum's phone number?
- The practice phone number listed in the NPPES registry for Aron Baum is (415) 384-4778.
- Does Aron Baum accept Medicare?
- Aron Baum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Aron Baum's NPI active?
- Yes — Aron Baum's NPI (1255851119) is active in the NPPES registry as of the last update on 2022-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.