John Hayes, DNP
NPI 1841167699 · Psychiatric/Mental Health Nurse Practitioner · Chicago, IL
John Hayes, DNP is a Psychiatric/Mental Health Nurse Practitioner provider in Chicago, IL (NPI 1841167699).
Provider details
- NPI number
- 1841167699
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP
- Sex
- Male
- Sole proprietor
- Yes
- License
- 209033582 (IL)
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
Under 1 yr in 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
- 2025-10-17
- Last updated
- 2026-05-26
- Certified
- 2026-05-26
Frequently asked questions
- What is John Hayes's NPI number?
- John Hayes's National Provider Identifier (NPI) is 1841167699, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Hayes's specialty?
- John Hayes 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 Hayes located?
- John Hayes's practice location on file with NPPES is 1127 N Oakley Blvd # 5a, Chicago, IL 60622-3507.
- What is John Hayes's phone number?
- The practice phone number listed in the NPPES registry for John Hayes is (312) 401-2395.
- Is John Hayes's NPI active?
- Yes — John Hayes's NPI (1841167699) is active in the NPPES registry as of the last update on 2026-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.