George D Cowen, MD Professional Corp
NPI 1083891212 · Internal Medicine Physician · Castro Valley, CA
George D Cowen, MD Professional Corp is a Internal Medicine Physician organization in Castro Valley, CA (NPI 1083891212).
Provider details
- NPI number
- 1083891212
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- George Cowen, Owner(510) 582-6966
- License
- G23713 (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
18 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
- 2008-01-30
- Last updated
- 2008-01-30
Frequently asked questions
- What is George D Cowen, MD Professional Corp's NPI number?
- George D Cowen, MD Professional Corp's National Provider Identifier (NPI) is 1083891212, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is George D Cowen, MD Professional Corp?
- George D Cowen, MD Professional Corp is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is George D Cowen, MD Professional Corp located?
- George D Cowen, MD Professional Corp's practice location on file with NPPES is 19845 Lake Chabot Rd, Castro Valley, CA 94546-4055.
- What is George D Cowen, MD Professional Corp's phone number?
- The practice phone number listed in the NPPES registry for George D Cowen, MD Professional Corp is (510) 582-6966.
- Who is the authorized official for George D Cowen, MD Professional Corp?
- The authorized official listed on George D Cowen, MD Professional Corp's NPPES record is George Cowen, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is George D Cowen, MD Professional Corp's NPI active?
- Yes — George D Cowen, MD Professional Corp's NPI (1083891212) is active in the NPPES registry as of the last update on 2008-01-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.