Dr. Janet L. Brown a Medical Corporation
NPI 1821003443 · Gynecology Physician · Mill Valley, CA
Dr. Janet L. Brown a Medical Corporation is a Gynecology Physician organization in Mill Valley, CA (NPI 1821003443).
Provider details
- NPI number
- 1821003443
- Entity type
- Organization
- Primary specialty
- Gynecology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Rose Chapman, Office Manager(415) 383-1870
- License
- A50784 (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
- 2006-07-30
- Last updated
- 2023-09-06
Frequently asked questions
- What is Dr. Janet L. Brown a Medical Corporation's NPI number?
- Dr. Janet L. Brown a Medical Corporation's National Provider Identifier (NPI) is 1821003443, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dr. Janet L. Brown a Medical Corporation?
- Dr. Janet L. Brown a Medical Corporation is classified in the NPPES registry as Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Dr. Janet L. Brown a Medical Corporation located?
- Dr. Janet L. Brown a Medical Corporation's practice location on file with NPPES is 131 Camino Alto, Mill Valley, CA 94941-2254.
- What is Dr. Janet L. Brown a Medical Corporation's phone number?
- The practice phone number listed in the NPPES registry for Dr. Janet L. Brown a Medical Corporation is (415) 383-1870.
- Who is the authorized official for Dr. Janet L. Brown a Medical Corporation?
- The authorized official listed on Dr. Janet L. Brown a Medical Corporation's NPPES record is Rose Chapman, Office Manager. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dr. Janet L. Brown a Medical Corporation's NPI active?
- Yes — Dr. Janet L. Brown a Medical Corporation's NPI (1821003443) is active in the NPPES registry as of the last update on 2023-09-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.