Mark Rosen, DO
NPI 1942338009 · Neuromusculoskeletal Medicine & OMM Physician · Portola Valley, CA
Mark Rosen, DO is a Neuromusculoskeletal Medicine & OMM Physician provider in Portola Valley, CA (NPI 1942338009).
Provider details
- NPI number
- 1942338009
- Entity type
- Individual
- Primary specialty
- Neuromusculoskeletal Medicine & OMM PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 20 A 4880 (CA)
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
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
- 2007-03-01
- Last updated
- 2014-02-01
Frequently asked questions
- What is Mark Rosen's NPI number?
- Mark Rosen's National Provider Identifier (NPI) is 1942338009, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Rosen's specialty?
- Mark Rosen is listed in the NPPES registry with a primary specialty of Neuromusculoskeletal Medicine & OMM Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Rosen located?
- Mark Rosen's practice location on file with NPPES is 4370 Alpine Rd Ste 205, Portola Valley, CA 94028-7953.
- What is Mark Rosen's phone number?
- The practice phone number listed in the NPPES registry for Mark Rosen is (650) 529-0304.
- Is Mark Rosen's NPI active?
- Yes — Mark Rosen's NPI (1942338009) is active in the NPPES registry as of the last update on 2014-02-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.