DR. KRISTI LYNN HAINSTOCK PHD
NPI 1639444391
Psychologist in Bay City, MI
About Dr. Kristi Lynn Hainstock Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KRISTI LYNN HAINSTOCK PHD (NPI 1639444391) is an individual psychologist in Bay City, Michigan, licensed in Michigan (6301015359) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Kristi Lynn Hainstock Phd 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
2Medicare enrollment records show Kristi Hainstock reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Midland, MI 48640
- Reassigned Medicare billing, Michigan enrollment
- 38 clinicians in this Medicare group
Midland, MI 48670
- Reassigned Medicare billing, Michigan enrollment
- 536 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.
Other Providers at the Same Location NPPES 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BAY CITY, MI 48706
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 Kristi Hainstock's NPI number?
The NPI number for Kristi Hainstock is 1639444391. It was assigned to this individual provider in the NPPES registry on March 14, 2012.
Where is Kristi Hainstock located?
Kristi Hainstock practices at 2919 Wilder Rd Suite 2, Bay City, MI 48706. The listed phone number is (989) 671-5757.
What is Kristi Hainstock's specialty?
The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.
Is Kristi Hainstock enrolled in Medicare?
Yes. Kristi Hainstock 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 Kristi Hainstock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kristi Hainstock reassigns Medicare benefits to 2 organizations: Partners In Change: Psychological & Community Services, Plc (Midland, MI) and Mymichigan Medical Center Midland (Midland, MI). 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 Kristi Hainstock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kristi Hainstock accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Oscar Insurance Company, Priority Health and UnitedHealthcare list Kristi Hainstock 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 Kristi Hainstock was last updated on March 26, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.