OrganizationActive
F. Rene Van Carr,m.d. & Marion R Kramer,m.d. Inc
NPI 1689701526 · Specialist · Hayward, CA
F. Rene Van Carr,m.d. & Marion R Kramer,m.d. Inc is a Specialist organization in Hayward, CA (NPI 1689701526).
Provider details
- NPI number
- 1689701526
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Marion Kramer, Owner(510) 783-0783
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(89/100 index)
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
27225 Calaroga Ave
Hayward, CA 94545-4338
Phone: (510) 783-0783
Fax: (510) 786-3792
Approximate (ZIP-level) locationGet directions
Mailing address
27225 Calaroga Ave
Hayward, CA 94545-4338
Registry dates
- Enumerated
- 2007-02-27
- Last updated
- 2009-02-17
Frequently asked questions
- What is F. Rene Van Carr,m.d. & Marion R Kramer,m.d. Inc's NPI number?
- F. Rene Van Carr,m.d. & Marion R Kramer,m.d. Inc's National Provider Identifier (NPI) is 1689701526, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is F. Rene Van Carr,m.d. & Marion R Kramer,m.d. Inc?
- F. Rene Van Carr,m.d. & Marion R Kramer,m.d. Inc is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is F. Rene Van Carr,m.d. & Marion R Kramer,m.d. Inc located?
- F. Rene Van Carr,m.d. & Marion R Kramer,m.d. Inc's practice location on file with NPPES is 27225 Calaroga Ave, Hayward, CA 94545-4338.
- What is F. Rene Van Carr,m.d. & Marion R Kramer,m.d. Inc's phone number?
- The practice phone number listed in the NPPES registry for F. Rene Van Carr,m.d. & Marion R Kramer,m.d. Inc is (510) 783-0783.
- Who is the authorized official for F. Rene Van Carr,m.d. & Marion R Kramer,m.d. Inc?
- The authorized official listed on F. Rene Van Carr,m.d. & Marion R Kramer,m.d. Inc's NPPES record is Marion Kramer, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is F. Rene Van Carr,m.d. & Marion R Kramer,m.d. Inc's NPI active?
- Yes — F. Rene Van Carr,m.d. & Marion R Kramer,m.d. Inc's NPI (1689701526) is active in the NPPES registry as of the last update on 2009-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.