John Cummins, M.D.
NPI 1023427416 · Psychiatry Physician · Elgin, IL
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Cummins, M.D. is a Psychiatry Physician provider in Elgin, IL (NPI 1023427416).
Provider details
- NPI number
- 1023427416
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2014027565 (MO)
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
11 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
- 2014-08-11
- Last updated
- 2021-12-14
- Certified
- 2021-12-14
Frequently asked questions
- What is John Cummins's NPI number?
- John Cummins's National Provider Identifier (NPI) is 1023427416, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Cummins's specialty?
- John Cummins is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is John Cummins located?
- John Cummins's practice location on file with NPPES is 750 S State St, Elgin, IL 60123-7692.
- What is John Cummins's phone number?
- The practice phone number listed in the NPPES registry for John Cummins is (847) 742-1040.
- Does John Cummins accept Medicare?
- John Cummins is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Cummins's NPI active?
- Yes — John Cummins's NPI (1023427416) is active in the NPPES registry as of the last update on 2021-12-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.