Mark Ranalli, MD
NPI 1205824331 · Pediatric Hematology & Oncology Physician · Columbus, OH
Enrolled with Medicare as Practitioner - Hematology/Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Ranalli, MD is a Pediatric Hematology & Oncology Physician provider in Columbus, OH (NPI 1205824331).
Provider details
- NPI number
- 1205824331
- Entity type
- Individual
- Primary specialty
- Pediatric Hematology & Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35076785 (OH)
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
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
11 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 (10)
- 4439 State Route 159Chillicothe, OH 45601-8207Phone: (614) 722-2000
- 6435 E Broad StColumbus, OH 43213-1507Phone: (614) 722-2000
- 7853 Pacer DrDelaware, OH 43015-7571Phone: (614) 722-2555
- 5665 Venture DrDublin, OH 43017-2159Phone: (614) 722-2000
- 730 W. High StreetLima, OH 45801Phone: (419) 251-8210
- 536 S Trimble RdMansfield, OH 44906-3418Phone: (614) 722-6200
- 500 W Market StTiffin, OH 44883-2610Phone: (419) 251-8210
- 2222 Cherry St Ste 2800Toledo, OH 43608-2675Phone: (419) 251-8035
- 2213 Cherry StToledo, OH 43608-2603Phone: (567) 290-6543
- 740 Adair Ave
Registry dates
- Enumerated
- 2005-10-12
- Last updated
- 2025-04-23
- Certified
- 2025-04-23
Frequently asked questions
- What is Mark Ranalli's NPI number?
- Mark Ranalli's National Provider Identifier (NPI) is 1205824331, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Ranalli's specialty?
- Mark Ranalli is listed in the NPPES registry with a primary specialty of Pediatric Hematology & Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Ranalli located?
- Mark Ranalli's practice location on file with NPPES is 700 Childrens Dr, Columbus, OH 43205-2664.
- What is Mark Ranalli's phone number?
- The practice phone number listed in the NPPES registry for Mark Ranalli is (614) 722-3552.
- Does Mark Ranalli accept Medicare?
- Mark Ranalli is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Ranalli's NPI active?
- Yes — Mark Ranalli's NPI (1205824331) is active in the NPPES registry as of the last update on 2025-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.