Karen Arane, MD
NPI 1538720834 · Pediatric Hematology & Oncology Physician · Palo Alto, CA
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Arane, MD is a Pediatric Hematology & Oncology Physician provider in Palo Alto, CA (NPI 1538720834).
Provider details
- NPI number
- 1538720834
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A203706 (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
7 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 1184 5th AveNew York, NY 10029-6503Phone: (212) 241-9500
Registry dates
- Enumerated
- 2019-06-26
- Last updated
- 2026-01-08
- Certified
- 2026-01-08
Frequently asked questions
- What is Karen Arane's NPI number?
- Karen Arane's National Provider Identifier (NPI) is 1538720834, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Arane's specialty?
- Karen Arane is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Arane located?
- Karen Arane's practice location on file with NPPES is 725 Welch Rd, Palo Alto, CA 94304-1601.
- What is Karen Arane's phone number?
- The practice phone number listed in the NPPES registry for Karen Arane is (650) 497-8000.
- Does Karen Arane accept Medicare?
- Karen Arane is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Arane's NPI active?
- Yes — Karen Arane's NPI (1538720834) is active in the NPPES registry as of the last update on 2026-01-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.