John Grecula, MD
NPI 1871691592 · Radiation Oncology Physician · Columbus, OH
Enrolled with Medicare as Practitioner - Radiation Oncology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Grecula, MD is a Radiation Oncology Physician provider in Columbus, OH (NPI 1871691592).
Provider details
- NPI number
- 1871691592
- Entity type
- Individual
- Primary specialty
- Radiation Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35057469 (OH)
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
- 2006-09-20
- Last updated
- 2025-10-14
- Certified
- 2025-10-14
Frequently asked questions
- What is John Grecula's NPI number?
- John Grecula's National Provider Identifier (NPI) is 1871691592, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Grecula's specialty?
- John Grecula is listed in the NPPES registry with a primary specialty of Radiation Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John Grecula located?
- John Grecula's practice location on file with NPPES is 460 W 10th Ave Fl 2, Columbus, OH 43210-1240.
- What is John Grecula's phone number?
- The practice phone number listed in the NPPES registry for John Grecula is (614) 293-8415.
- Does John Grecula accept Medicare?
- John Grecula is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Grecula's NPI active?
- Yes — John Grecula's NPI (1871691592) is active in the NPPES registry as of the last update on 2025-10-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.