Ellen Lois Pichey, M.D.
NPI 1750447686 · Occupational Medicine Physician · Mill Valley, CA
Ellen Lois Pichey, M.D. is a Occupational Medicine Physician provider in Mill Valley, CA (NPI 1750447686).
Provider details
- NPI number
- 1750447686
- Entity type
- Individual
- Primary specialty
- Occupational Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 49827 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-12-28
- Last updated
- 2022-05-03
- Certified
- 2022-05-03
Frequently asked questions
- What is Ellen Lois Pichey's NPI number?
- Ellen Lois Pichey's National Provider Identifier (NPI) is 1750447686, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Lois Pichey's specialty?
- Ellen Lois Pichey is listed in the NPPES registry with a primary specialty of Occupational Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ellen Lois Pichey located?
- Ellen Lois Pichey's practice location on file with NPPES is 3 Eton Way, Mill Valley, CA 94941-1414.
- What is Ellen Lois Pichey's phone number?
- The practice phone number listed in the NPPES registry for Ellen Lois Pichey is (415) 381-4128.
- Is Ellen Lois Pichey's NPI active?
- Yes — Ellen Lois Pichey's NPI (1750447686) is active in the NPPES registry as of the last update on 2022-05-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.