Theresa Harned
NPI 1740305630 · Hematology & Oncology Physician · Duarte, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Theresa Harned is a Hematology & Oncology Physician provider in Duarte, CA (NPI 1740305630).
Provider details
- NPI number
- 1740305630
- Entity type
- Individual
- Primary specialty
- Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Sex
- Female
- Sole proprietor
- No
- License
- A83397 (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
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
- 2007-03-20
- Last updated
- 2021-11-22
Frequently asked questions
- What is Theresa Harned's NPI number?
- Theresa Harned's National Provider Identifier (NPI) is 1740305630, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Theresa Harned's specialty?
- Theresa Harned is listed in the NPPES registry with a primary specialty of Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Theresa Harned located?
- Theresa Harned's practice location on file with NPPES is 1500 Duarte Rd, Duarte, CA 91010-3012.
- What is Theresa Harned's phone number?
- The practice phone number listed in the NPPES registry for Theresa Harned is (626) 359-8111.
- Does Theresa Harned accept Medicare?
- Theresa Harned is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Theresa Harned's NPI active?
- Yes — Theresa Harned's NPI (1740305630) is active in the NPPES registry as of the last update on 2021-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.