MS. DIANNA LYNN PRATT PSYD
NPI 1639209422
Psychologist - Clinical in Marysville, MI
About Ms. Dianna Lynn Pratt Psyd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. DIANNA LYNN PRATT PSYD (NPI 1639209422) is an individual clinical provider in Marysville, Michigan, licensed in Michigan (6301014401) and active in the NPI registry since March 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2009).
NPPES Registry Identity
Specialties & Licenses 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
Ms. Dianna Lynn Pratt Psyd 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 Dianna Pratt reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Marysville, MI 48040
- Reassigned Medicare billing, Michigan enrollment
- 3 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 48040 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Dianna Pratt's NPI number?
The NPI number for Dianna Pratt is 1639209422. It was assigned to this individual provider in the NPPES registry on March 7, 2007.
Where is Dianna Pratt located?
Dianna Pratt practices at 1600 Gratiot Blvd Ste 4, Marysville, MI 48040. The listed phone number is (810) 364-5800.
What is Dianna Pratt's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Dianna Pratt enrolled in Medicare?
Yes. Dianna Pratt 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 Dianna Pratt's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Dianna Pratt reassigns Medicare benefits to Emca Counseling PC (Marysville, 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 Dianna Pratt's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Dianna Pratt accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Dianna Pratt 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 Dianna Pratt was last updated on October 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days 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.
# Ms. Dianna Lynn Pratt, PSYD · NPI 1639209422
Clinical provider in Marysville, Michigan. Individual provider, active in the CMS NPPES registry since March 7, 2007.
## Identity
- **NPI:** 1639209422 (Entity type: Individual)
- **Enumerated:** March 7, 2007
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **State license:** 6301014401 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1600 GRATIOT BLVD STE 4, Marysville, MI 48040-1145
- **Phone:** (810) 364-5800 · **Fax:** (810) 364-1200
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Emca Counseling PC (NPI 1639234115, Marysville, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2009
## Record status
- **NPPES last updated:** October 4, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1639209422) · Data from the CMS NPPES public registry.