IndividualActive
Theresa Whittaker
NPI 1558499392 · Case Manager/Care Coordinator · Duarte, CA
Theresa Whittaker is a Case Manager/Care Coordinator provider in Duarte, CA (NPI 1558499392).
Provider details
- NPI number
- 1558499392
- Entity type
- Individual
- Primary specialty
- Case Manager/Care CoordinatorOther Service Providers
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(83/100 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
83% 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
2502 E. Huntington Dr.
Duarte, CA 91010
Phone: (626) 263-9133
Fax: (626) 228-8102
Street-level locationGet directions
Mailing address
2502 E. Huntington Dr.
Duarte, CA 91010
Registry dates
- Enumerated
- 2007-03-01
- Last updated
- 2016-04-26
Frequently asked questions
- What is Theresa Whittaker's NPI number?
- Theresa Whittaker's National Provider Identifier (NPI) is 1558499392, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa Whittaker's specialty?
- Theresa Whittaker is listed in the NPPES registry with a primary specialty of Case Manager/Care Coordinator (Other Service Providers).
- Where is Theresa Whittaker located?
- Theresa Whittaker's practice location on file with NPPES is 2502 E. Huntington Dr., Duarte, CA 91010.
- What is Theresa Whittaker's phone number?
- The practice phone number listed in the NPPES registry for Theresa Whittaker is (626) 263-9133.
- Is Theresa Whittaker's NPI active?
- Yes — Theresa Whittaker's NPI (1558499392) is active in the NPPES registry as of the last update on 2016-04-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.