Josiah Ballantine, MD
NPI 1770958019 · Pediatric Hematology & Oncology Physician · Baltimore, MD
Enrolled with Medicare as Order and Referring Only - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Josiah Ballantine, MD is a Pediatric Hematology & Oncology Physician provider in Baltimore, MD (NPI 1770958019).
Provider details
- NPI number
- 1770958019
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- D94076 (MD)
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
10 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)
- 240 E Huron StSuite 1-200Chicago, IL 60611-2909Phone: (312) 503-7975
Registry dates
- Enumerated
- 2015-12-12
- Last updated
- 2025-03-27
- Certified
- 2025-03-27
Frequently asked questions
- What is Josiah Ballantine's NPI number?
- Josiah Ballantine's National Provider Identifier (NPI) is 1770958019, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Josiah Ballantine's specialty?
- Josiah Ballantine is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Josiah Ballantine located?
- Josiah Ballantine's practice location on file with NPPES is 600 N Wolfe St, Baltimore, MD 21287-0005.
- What is Josiah Ballantine's phone number?
- The practice phone number listed in the NPPES registry for Josiah Ballantine is (410) 955-5000.
- Does Josiah Ballantine accept Medicare?
- Josiah Ballantine is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Josiah Ballantine's NPI active?
- Yes — Josiah Ballantine's NPI (1770958019) is active in the NPPES registry as of the last update on 2025-03-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.