Douglas E. Cohen MD, Inc.
NPI 1174340475 · Internal Medicine Physician · Mill Valley, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Douglas E. Cohen MD, Inc. is a Internal Medicine Physician organization in Mill Valley, CA (NPI 1174340475).
Provider details
- NPI number
- 1174340475
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Douglas Cohen, Incorporator(415) 518-8115
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
1 yr 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
- 2024-09-26
- Last updated
- 2024-09-26
- Certified
- 2024-09-25
Frequently asked questions
- What is Douglas E. Cohen MD, Inc.'s NPI number?
- Douglas E. Cohen MD, Inc.'s National Provider Identifier (NPI) is 1174340475, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Douglas E. Cohen MD, Inc.?
- Douglas E. Cohen MD, Inc. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas E. Cohen MD, Inc. located?
- Douglas E. Cohen MD, Inc.'s practice location on file with NPPES is 655 Redwood Hwy Frontage Rd Ste 375, Mill Valley, CA 94941-3041.
- What is Douglas E. Cohen MD, Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Douglas E. Cohen MD, Inc. is (415) 384-0506.
- Does Douglas E. Cohen MD, Inc. accept Medicare?
- Douglas E. Cohen MD, Inc. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Douglas E. Cohen MD, Inc.?
- The authorized official listed on Douglas E. Cohen MD, Inc.'s NPPES record is Douglas Cohen, Incorporator. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Douglas E. Cohen MD, Inc.'s NPI active?
- Yes — Douglas E. Cohen MD, Inc.'s NPI (1174340475) is active in the NPPES registry as of the last update on 2024-09-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.