Marsha J. Bluto, M.D., a Professional Corporation
NPI 1255630372 · Multi-Specialty Clinic/Center · Mill Valley, CA
Marsha J. Bluto, M.D., a Professional Corporation is a Multi-Specialty Clinic/Center organization in Mill Valley, CA (NPI 1255630372).
Provider details
- NPI number
- 1255630372
- Entity type
- Organization
- Primary specialty
- Multi-Specialty Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Marsha Bluto, Owner(415) 380-1840
- License
- A106091 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
Other names (DBA / former)
- Doing business as
- California Spine, Sports and Rehabilitation
Registry dates
- Enumerated
- 2011-03-16
- Last updated
- 2011-08-09
Frequently asked questions
- What is Marsha J. Bluto, M.D., a Professional Corporation's NPI number?
- Marsha J. Bluto, M.D., a Professional Corporation's National Provider Identifier (NPI) is 1255630372, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Marsha J. Bluto, M.D., a Professional Corporation?
- Marsha J. Bluto, M.D., a Professional Corporation is classified in the NPPES registry as Multi-Specialty Clinic/Center (Ambulatory Health Care Facilities).
- Where is Marsha J. Bluto, M.D., a Professional Corporation located?
- Marsha J. Bluto, M.D., a Professional Corporation's practice location on file with NPPES is 591 Redwood Highway, Mill Valley, CA 94941-3064.
- What is Marsha J. Bluto, M.D., a Professional Corporation's phone number?
- The practice phone number listed in the NPPES registry for Marsha J. Bluto, M.D., a Professional Corporation is (415) 380-1840.
- Who is the authorized official for Marsha J. Bluto, M.D., a Professional Corporation?
- The authorized official listed on Marsha J. Bluto, M.D., a Professional Corporation's NPPES record is Marsha Bluto, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Marsha J. Bluto, M.D., a Professional Corporation's NPI active?
- Yes — Marsha J. Bluto, M.D., a Professional Corporation's NPI (1255630372) is active in the NPPES registry as of the last update on 2011-08-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.