JOHN ALEXANDER MICHALAK JR. APRN
NPI 1336890136
Nurse Practitioner in New London, CT
About John Alexander Michalak Jr. Aprn NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN ALEXANDER MICHALAK JR. APRN (NPI 1336890136) is an individual nurse practitioner in New London, Connecticut, licensed in Connecticut (12294) and active in the NPI registry since January 2022. He is enrolled in Medicare PECOS and is a graduate of Other (2023).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
John Alexander Michalak Jr. Aprn 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 Reassignment
Medicare enrollment records show John Michalak reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New London, CT 06320
- Reassigned Medicare billing, Connecticut and Rhode Island enrollments
- 16 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.
Areas of Expertise CMS Part B claims 9
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06320 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW LONDON, CT 06320
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 John Michalak's NPI number?
The NPI number for John Michalak is 1336890136. It was assigned to this individual provider in the NPPES registry on January 12, 2022.
Where is John Michalak located?
John Michalak practices at 365 Montauk Ave, New London, CT 06320. The listed phone number is (860) 444-5151.
What is John Michalak's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is John Michalak enrolled in Medicare?
Yes. John Michalak 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 organization bills Medicare for John Michalak's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Michalak reassigns Medicare benefits to Ocean Radiology Associates PC (New London, CT). The 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 John Michalak's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for John Michalak was last updated on September 8, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.
# John Alexander Michalak Jr., APRN · NPI 1336890136
Nurse Practitioner physician in New London, Connecticut. Individual provider, active in the CMS NPPES registry since January 12, 2022.
## Identity
- **NPI:** 1336890136 (Entity type: Individual)
- **Enumerated:** January 12, 2022
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 12294 (Connecticut)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 365 MONTAUK AVE, New London, CT 06320-4700
- **Phone:** (860) 444-5151
## 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:** Ocean Radiology Associates PC (NPI 1922166073, New London, CT), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** September 8, 2023
- **Other identifiers:** Other 12294 (CT)
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Source: [NPI Profile](https://npiprofile.com/npi/1336890136) · Data from the CMS NPPES public registry.