IndividualActive
Dorothy Siddall, MD
NPI 1134290109 · Family Medicine Physician · Anaheim, CA
Dorothy Siddall, MD is a Family Medicine Physician provider in Anaheim, CA (NPI 1134290109).
Provider details
- NPI number
- 1134290109
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A29430 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(90/100 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
441 N Lakeview Ave
Anaheim, CA 92807-3028
Phone: (888) 988-2800
Approximate (ZIP-level) locationGet directions
Mailing address
441 N Lakeview Ave
Anaheim, CA 92807-3028
Registry dates
- Enumerated
- 2006-11-13
- Last updated
- 2021-12-01
Frequently asked questions
- What is Dorothy Siddall's NPI number?
- Dorothy Siddall's National Provider Identifier (NPI) is 1134290109, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dorothy Siddall's specialty?
- Dorothy Siddall is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dorothy Siddall located?
- Dorothy Siddall's practice location on file with NPPES is 441 N Lakeview Ave, Anaheim, CA 92807-3028.
- What is Dorothy Siddall's phone number?
- The practice phone number listed in the NPPES registry for Dorothy Siddall is (888) 988-2800.
- Is Dorothy Siddall's NPI active?
- Yes — Dorothy Siddall's NPI (1134290109) is active in the NPPES registry as of the last update on 2021-12-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.