1. Home
  2. Directory
  3. Michigan
  4. Grand Rapids
  5. Clinical Neuropsychologist
  6. NPI Profile

BRETT A MAY PH.D.
NPI 1386792869
Clinical Neuropsychologist in Grand Rapids, MI

Active since January 08, 2007PECOS EnrolledAccepts Medicare Assignment
1000 PARCHMENT DR SE, GRAND RAPIDS, MI 49546(616) 957-9112(616) 957-2409 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Brett A May Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

BRETT A MAY PH.D. (NPI 1386792869) is an individual clinical neuropsychologist in Grand Rapids, Michigan, licensed in Michigan (6301007412) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Other (1992).

NPPES Registry Identity

NPI1386792869
Entity TypeIndividualMale
Primary Taxonomy103G00000X
Provider Legal NameBRETT A MAYCredential: PH.D.
Location Address1000 PARCHMENT DR SEGrand Rapids, MI 49546-3663
Mailing Address1000 Parchment Dr SeGrand Rapids, MI 49546-3663 · (616) 957-9112 · Fax (616) 957-2409
Phone(616) 957-9112
Fax(616) 957-2409
Sole ProprietorNo
Medical School CMSOtherGraduated 1992
Enumeration DateJanuary 8, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1386792869 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinical NeuropsychologistBehavioral Health & Social Service Providers
Taxonomy Code103G00000X
License✔ Licensed in MI · 6301007412
Definition
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.
1000 PARCHMENT DR SE, Grand Rapids, MI 49546
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health.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

Brett A May Ph.d. 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.

PECOS PAC ID2062462963
PECOS Enrollment IDI20050128000117
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Brett May reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Psychology Associates Of Grand Rapids PC
Same address
Clinical
1000 PARCHMENT DR SE
Grand Rapids, MI 49546
  • Reassigned Medicare billing, Michigan enrollment
  • 21 clinicians in this Medicare group
NPI 1073747648 (616) 957-9112

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

PSYCHOLOGY ASSOCIATES OF GRAND RAPIDS PC
Social Worker (Clinical)
1000 PARCHMENT DR SE
GRAND RAPIDS, MI 49546
Kent County (616) 957-9112
STEPHANIE N THORNTON LMSW
Social Worker (Clinical)
1000 PARCHMENT DR SE
GRAND RAPIDS, MI 49546
Kent County (616) 957-9112
DANIEL J DE WITT PSY.D.
Psychologist (Clinical)
1000 PARCHMENT DR SE
GRAND RAPIDS, MI 49546
Kent County (616) 957-9112
JANICE M TALEN LMFT
Marriage & Family Therapist
1000 PARCHMENT DR SE
GRAND RAPIDS, MI 49546
Kent County (616) 957-9112
PSYCHOLOGY ASSOCIATES OF GRAND RAPIDS PC
Psychiatry & Neurology (Psychiatry)
1000 PARCHMENT DR SE
GRAND RAPIDS, MI 49546
Kent County (616) 957-9112
GRETA J HOEKSTRA LMSW
Social Worker
1000 PARCHMENT DR SE, PSYCHOLOGY ASSOCIATES OF GRAND RAPIDS, PC
GRAND RAPIDS, MI 49546
Kent County (616) 957-9112
PSYCHOLOGY ASSOCIATES OF GRAND RAPIDS PC
Psychologist
1000 PARCHMENT DR SE
GRAND RAPIDS, MI 49546
Kent County (616) 957-9112
BETSY JOY PAROLINI MSW,CSW
Social Worker (Clinical)
1000 PARCHMENT DR SE, PSYCHOLOGY ASSOCIATES OF GRAND RAPIDS, PC
GRAND RAPIDS, MI 49546
Kent County (616) 957-9112

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 Brett May's NPI number?

The NPI number for Brett May is 1386792869. It was assigned to this individual provider in the NPPES registry on January 8, 2007.

Where is Brett May located?

Brett May practices at 1000 Parchment Dr SE, Grand Rapids, MI 49546. The listed phone number is (616) 957-9112.

What is Brett May's specialty?

The primary specialty registered for this NPI is Clinical Neuropsychologist with taxonomy code 103G00000X.

Is Brett May enrolled in Medicare?

Yes. Brett May 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 Brett May's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brett May reassigns Medicare benefits to Psychology Associates Of Grand Rapids PC (Grand Rapids, MI). 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 Brett May's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Brett May accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Brett May 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 Brett May was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.