John Blackwell, APRN
NPI 1154870590 · Psychiatric/Mental Health Nurse Practitioner · Youngstown, OH
John Blackwell, APRN is a Psychiatric/Mental Health Nurse Practitioner provider in Youngstown, OH (NPI 1154870590).
Provider details
- NPI number
- 1154870590
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Male
- Sole proprietor
- No
- License
- APRN.CNP.025081 (OH)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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)
- 1344 5th AveYoungstown, OH 44504-1703Phone: (330) 472-2595Fax: (330) 742-2598
Registry dates
- Enumerated
- 2016-09-27
- Last updated
- 2019-07-24
Frequently asked questions
- What is John Blackwell's NPI number?
- John Blackwell's National Provider Identifier (NPI) is 1154870590, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Blackwell's specialty?
- John Blackwell is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Blackwell located?
- John Blackwell's practice location on file with NPPES is 611 Belmont Ave, Youngstown, OH 44502-1037.
- What is John Blackwell's phone number?
- The practice phone number listed in the NPPES registry for John Blackwell is (330) 744-2991.
- Is John Blackwell's NPI active?
- Yes — John Blackwell's NPI (1154870590) is active in the NPPES registry as of the last update on 2019-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.