Ellen Bolotin, MD
NPI 1730289471 · Pediatric Hematology & Oncology Physician · Duarte, CA
Ellen Bolotin, MD is a Pediatric Hematology & Oncology Physician provider in Duarte, CA (NPI 1730289471).
Provider details
- NPI number
- 1730289471
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A54526 (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
- 2006-09-23
- Last updated
- 2025-09-11
Frequently asked questions
- What is Ellen Bolotin's NPI number?
- Ellen Bolotin's National Provider Identifier (NPI) is 1730289471, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Bolotin's specialty?
- Ellen Bolotin is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Ellen Bolotin located?
- Ellen Bolotin's practice location on file with NPPES is 1500 E Duarte Rd, Duarte, CA 91010.
- What is Ellen Bolotin's phone number?
- The practice phone number listed in the NPPES registry for Ellen Bolotin is (626) 359-8111.
- Is Ellen Bolotin's NPI active?
- Yes — Ellen Bolotin's NPI (1730289471) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.