Louis Sieben, M.D.
NPI 1487667044 · Family Medicine Physician · San Diego, CA
Louis Sieben, M.D. is a Family Medicine Physician provider in San Diego, CA (NPI 1487667044).
Provider details
- NPI number
- 1487667044
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G72601 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-08-14
- Last updated
- 2013-02-19
Frequently asked questions
- What is Louis Sieben's NPI number?
- Louis Sieben's National Provider Identifier (NPI) is 1487667044, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Louis Sieben's specialty?
- Louis Sieben is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Louis Sieben located?
- Louis Sieben's practice location on file with NPPES is 2001 4th Ave, San Diego, CA 92101-2303.
- What is Louis Sieben's phone number?
- The practice phone number listed in the NPPES registry for Louis Sieben is (858) 499-2777.
- Is Louis Sieben's NPI active?
- Yes — Louis Sieben's NPI (1487667044) is active in the NPPES registry as of the last update on 2013-02-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.