MICHAEL REENS CRNA
NPI 1639457286
Nurse Anesthetist, Certified Registered in New York, NY
About Michael Reens Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MICHAEL REENS CRNA (NPI 1639457286) is an individual nurse anesthetist, certified registered in New York, New York, licensed in New York (588013) and active in the NPI registry since August 2011. He is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
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
Michael Reens Crna 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
11Medicare enrollment records show Michael Reens reassigns Medicare billing to 11 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10003
- Reassigned Medicare billing, New York enrollment
- 1,074 clinicians in this Medicare group
Forest Hills, NY 11375
- Reassigned Medicare billing, New York enrollment
- 6 clinicians in this Medicare group
Bronx, NY 10457
- Reassigned Medicare billing, New York enrollment
- 72 clinicians in this Medicare group
Lawrence, NY 11559
- Reassigned Medicare billing, New York enrollment
- 30 clinicians in this Medicare group
Harrison, NY 10528
- Reassigned Medicare billing, New York enrollment
- 59 clinicians in this Medicare group
Smithtown, NY 11787
- Reassigned Medicare billing, New York enrollment
- 15 clinicians in this Medicare group
Port Jefferson Station, NY 11776
- Reassigned Medicare billing, Arizona, California, New York, Pennsylvania, Tennessee and Texas enrollments
- 2 clinicians in this Medicare group
Port Jefferson Station, NY 11776
- Reassigned Medicare billing, New York enrollment
- 63 clinicians in this Medicare group
E Patchogue, NY 11772
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Brookhaven Gastroenterology Associates, PC
- 18 clinicians in this Medicare group
Riverhead, NY 11901
- Reassigned Medicare billing, New York enrollment
- 18 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 4
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 10087 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Michael Reens's NPI number?
The NPI number for Michael Reens is 1639457286. It was assigned to this individual provider in the NPPES registry on August 1, 2011.
Where is Michael Reens located?
Michael Reens practices at PO Box 21482, New York, NY 10087. The listed phone number is (631) 747-0339.
What is Michael Reens's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Michael Reens enrolled in Medicare?
Yes. Michael Reens 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 Michael Reens's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Reens reassigns Medicare benefits to 11 organizations: New York University (New York, NY), Gastroenterology & Liver Disease, PC (Forest Hills, NY), Bronx Anesthesia Services, PC (Bronx, NY), South Island Gastroenterology Associates PC (Lawrence, NY), Resource Anesthesiology Associates,pc (Harrison, NY) and 6 more organizations, 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 Michael Reens'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 Michael Reens was last updated on June 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Michael Reens, CRNA · NPI 1639457286
Nurse Anesthetist, Certified Registered physician in New York, New York. Individual provider, active in the CMS NPPES registry since August 1, 2011.
## Identity
- **NPI:** 1639457286 (Entity type: Individual)
- **Enumerated:** August 1, 2011
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 588013 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** PO BOX 21482, New York, NY 10087-1482
- **Phone:** (631) 747-0339
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 11 organizations under Medicare reassignment (form CMS-855R): New York University (NPI 1942450804, New York, NY); Gastroenterology & Liver Disease, PC (NPI 1891034500, Forest Hills, NY); Bronx Anesthesia Services, PC (NPI 1225330103, Bronx, NY); South Island Gastroenterology Associates PC (NPI 1043628282, Lawrence, NY); Resource Anesthesiology Associates,pc (NPI 1588647200, Harrison, NY); and 6 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** June 6, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1639457286) · Data from the CMS NPPES public registry.