John Underwood, CRNA
NPI 1174981286 · Certified Registered Nurse Anesthetist · Youngstown, OH
John Underwood, CRNA is a Certified Registered Nurse Anesthetist provider in Youngstown, OH (NPI 1174981286).
Provider details
- NPI number
- 1174981286
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- No
- License
- RN353261L (PA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
10 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
- 2016-02-03
- Last updated
- 2016-02-12
Frequently asked questions
- What is John Underwood's NPI number?
- John Underwood's National Provider Identifier (NPI) is 1174981286, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Underwood's specialty?
- John Underwood is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Underwood located?
- John Underwood's practice location on file with NPPES is 1044 Belmont Ave, Youngstown, OH 44504-1006.
- What is John Underwood's phone number?
- The practice phone number listed in the NPPES registry for John Underwood is (330) 480-3658.
- Is John Underwood's NPI active?
- Yes — John Underwood's NPI (1174981286) is active in the NPPES registry as of the last update on 2016-02-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.