Steven W. Carlson, MD
NPI 1235321688 · Gastroenterology Physician · San Luis Obispo, CA
Steven W. Carlson, MD is a Gastroenterology Physician organization in San Luis Obispo, CA (NPI 1235321688).
Provider details
- NPI number
- 1235321688
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Steven Carlson, Physician(805) 543-8822
- License
- G39965 (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
- 2007-08-09
- Last updated
- 2007-08-09
Frequently asked questions
- What is Steven W. Carlson, MD's NPI number?
- Steven W. Carlson, MD's National Provider Identifier (NPI) is 1235321688, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Steven W. Carlson, MD?
- Steven W. Carlson, MD is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Steven W. Carlson, MD located?
- Steven W. Carlson, MD's practice location on file with NPPES is 1551 Bishop St, San Luis Obispo, CA 93401-4635.
- What is Steven W. Carlson, MD's phone number?
- The practice phone number listed in the NPPES registry for Steven W. Carlson, MD is (805) 543-8822.
- Who is the authorized official for Steven W. Carlson, MD?
- The authorized official listed on Steven W. Carlson, MD's NPPES record is Steven Carlson, Physician. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Steven W. Carlson, MD's NPI active?
- Yes — Steven W. Carlson, MD's NPI (1235321688) is active in the NPPES registry as of the last update on 2007-08-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.