Individual Healthcare Provider
Steven Guichelaar, NP
Provider's NPPES record last updated: October 9, 2025
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1427476811
- Primary Specialty
- Nurse Practitioner — Psychiatric/Mental Health
- Practice Location
- North Haven, Connecticut
- Sole Proprietor
- No
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 19, 2026, 2:21 PM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Nurse Practitioner
Psychiatric/Mental Health
Physician Assistants & Advanced Practice Nursing Providers
Definition to come...
Taxonomy code 363LP0808X Registered Nurse
Nursing Service Providers
(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.
Taxonomy code 163W00000X
Provider-Reported License Information
- Nurse Practitioner (Connecticut)
- 12.013275
- Nurse Practitioner (Indiana)
- 71004912A
- Nurse Practitioner (Georgia)
- GAA-NP002139
- Nurse Practitioner (Virginia)
- 0024189657
- Nurse Practitioner (Kentucky)
- 4017019
- Nurse Practitioner (Massachusetts)
- RN10004996
- Nurse Practitioner (Maine)
- CNP241373
- Registered Nurse (Indiana)
- 28196369A
- Nurse Practitioner (New Hampshire)
- 093521-23
- Nurse Practitioner (Ohio)
- APRN.CNP.0035978
- Nurse Practitioner (Florida)
- APRN11032714
- Nurse Practitioner (Rhode Island)
- APRN04079
Practice Locations
Practice Location
556 Washington Ave Ste 201
North Haven, Connecticut 06473-1149
Phone: (203) 779-5799
Additional Practice Location
1041 Ten Rod Rd Unit 8
North Kingstown, Rhode Island 02852-4125
Phone: (401) 232-4166
Additional Practice Location
6505 E 82nd St
Indianapolis, Indiana 46250-5538
Phone: (317) 779-0310
Additional Practice Location
9 Pond Ln Ste 105
Concord, Massachusetts 01742-2842
Phone: (617) 430-4949
Additional Practice Location
7400 New La Grange Rd Ste 250
Louisville, Kentucky 40222-8801
Phone: (502) 907-2290
Additional Practice Location
6161 Oak Tree Blvd
Independence, Ohio 44131-2516
Phone: (216) 200-4415
Additional Practice Location
500 Southborough Dr Ste 205
South Portland, Maine 04106-6959
Phone: (207) 813-4167
Additional Practice Location
1625 S Congress Ave Ste 406
Delray Beach, Florida 33445-6304
Phone: (561) 418-3262
Additional Practice Location
4405 Cox Rd Ste 150
Glen Allen, Virginia 23060-6764
Phone: (804) 208-0475
Additional Practice Location
15 Constitution Dr Ste 2n
Bedford, New Hampshire 03110-6002
Phone: (603) 769-8462
Additional Practice Location
1775 the Exchange Se Ste 610
Atlanta, Georgia 30339-2051
Phone: (770) 526-0535
Record Information
- Enumeration Date
- April 2, 2014
- Provider's NPPES Record Last Updated
- October 9, 2025
- Certification Date
- October 9, 2025
- NPISignal NPPES Dataset
- August 2026
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