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Marshall Kahn, M.D.
NPI 1699912451 · Family Medicine Physician · Downey, CA
Marshall Kahn, M.D. is a Family Medicine Physician provider in Downey, CA (NPI 1699912451).
Provider details
- NPI number
- 1699912451
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- A28041 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(86/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
9040 Telegraph Rd
Suite 102
Downey, CA 90240-2393
Phone: (562) 927-0033
Fax: (562) 231-1905
Street-level locationGet directions
Mailing address
9040 Telegraph Rd
Downey, CA 90240-2393
Registry dates
- Enumerated
- 2009-01-15
- Last updated
- 2015-03-20
Frequently asked questions
- What is Marshall Kahn's NPI number?
- Marshall Kahn's National Provider Identifier (NPI) is 1699912451, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marshall Kahn's specialty?
- Marshall Kahn is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Marshall Kahn located?
- Marshall Kahn's practice location on file with NPPES is 9040 Telegraph Rd, Downey, CA 90240-2393.
- What is Marshall Kahn's phone number?
- The practice phone number listed in the NPPES registry for Marshall Kahn is (562) 927-0033.
- Is Marshall Kahn's NPI active?
- Yes — Marshall Kahn's NPI (1699912451) is active in the NPPES registry as of the last update on 2015-03-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.