John Mahoney, MD
NPI 1063429561 · Medical Oncology Physician · Charlotte, NC
John Mahoney, MD is a Medical Oncology Physician provider in Charlotte, NC (NPI 1063429561).
Provider details
- NPI number
- 1063429561
- Entity type
- Individual
- Primary specialty
- Medical Oncology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 34077 (NC)
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
- 2006-08-01
- Last updated
- 2017-01-12
Frequently asked questions
- What is John Mahoney's NPI number?
- John Mahoney's National Provider Identifier (NPI) is 1063429561, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Mahoney's specialty?
- John Mahoney is listed in the NPPES registry with a primary specialty of Medical Oncology Physician (Allopathic & Osteopathic Physicians).
- Where is John Mahoney located?
- John Mahoney's practice location on file with NPPES is 15830 Ballantyne Medical Place, Charlotte, NC 28277-3297.
- What is John Mahoney's phone number?
- The practice phone number listed in the NPPES registry for John Mahoney is (704) 446-4000.
- Is John Mahoney's NPI active?
- Yes — John Mahoney's NPI (1063429561) is active in the NPPES registry as of the last update on 2017-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.