STEVEN GUICHELAAR NP
NPI 1427476811
Nurse Practitioner - Psychiatric/Mental Health in North Haven, CT
About Steven Guichelaar Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN GUICHELAAR NP (NPI 1427476811) is an individual psychiatric/mental health provider in North Haven, Connecticut, licensed in Connecticut (12.013275) and active in the NPI registry since April 2014. He is enrolled in Medicare PECOS, maintains 10 additional practice locations, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 10
Other Identifiers 3
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Steven Guichelaar Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Steven Guichelaar reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Glen Allen, VA 23060
- Reassigned Medicare billing, Virginia enrollment
- 10 clinicians in this Medicare group
Independence, OH 44131
- Reassigned Medicare billing, Ohio enrollment
- 12 clinicians in this Medicare group
Anderson, IN 46012
- Reassigned Medicare billing, Indiana enrollment
- Medicare enrollment name: Community Health Network Inc
- 175 clinicians in this Medicare group
Indianapolis, IN 46256
- Reassigned Medicare billing, Indiana enrollment
- 2,087 clinicians in this Medicare group
Indianapolis, IN 46250
- Reassigned Medicare billing, Indiana enrollment
- 10 clinicians in this Medicare group
Louisville, KY 40222
- Reassigned Medicare billing, Kentucky enrollment
- 11 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06473 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NORTH HAVEN, CT 06473
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Steven Guichelaar's NPI number?
The NPI number for Steven Guichelaar is 1427476811. It was assigned to this individual provider in the NPPES registry on April 2, 2014.
Where is Steven Guichelaar located?
Steven Guichelaar practices at 556 Washington Ave Ste 201, North Haven, CT 06473. The listed phone number is (203) 779-5799.
What is Steven Guichelaar's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Steven Guichelaar enrolled in Medicare?
Yes. Steven Guichelaar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Steven Guichelaar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Guichelaar reassigns Medicare benefits to 6 organizations: Aware Recovery Care Of Virginia, PC (Glen Allen, VA), Aware Recovery Care Of Ohio,inc. (Independence, OH), Community Hospitals Of Indiana, Inc (Anderson, IN), Community Physicians Of Indiana Inc (Indianapolis, IN), Aware Recovery Care Of Indiana, LLC (Indianapolis, IN) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Steven Guichelaar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Steven Guichelaar accept?
Health plans from Anthem Blue Cross and Blue Shield and MedMutual list Steven Guichelaar as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Steven Guichelaar was last updated on October 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Steven Guichelaar, NP · NPI 1427476811
Psychiatric/Mental Health physician in North Haven, Connecticut. Individual provider, active in the CMS NPPES registry since April 2, 2014.
## Identity
- **NPI:** 1427476811 (Entity type: Individual)
- **Enumerated:** April 2, 2014
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 12.013275 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 556 WASHINGTON AVE STE 201, North Haven, CT 06473-1149
- **Phone:** (203) 779-5799 · **Fax:** (203) 599-0260
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Aware Recovery Care Of Virginia, PC (NPI 1942964770, Glen Allen, VA); Aware Recovery Care Of Ohio,inc. (NPI 1780330688, Independence, OH); Community Hospitals Of Indiana, Inc (NPI 1427001387, Anderson, IN); Community Physicians Of Indiana Inc (NPI 1619105244, Indianapolis, IN); Aware Recovery Care Of Indiana, LLC (NPI 1235774365, Indianapolis, IN); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** October 9, 2025
- **Other identifiers:** Medicaid 201228430 (IN); Other 000000876664 (IN); Other 000000876487 (IN)
---
Source: [NPI Profile](https://npiprofile.com/npi/1427476811) · Data from the CMS NPPES public registry.