ANNISSA ROSSER PMHNP-BC
NPI 1285290536
Nurse Practitioner - Psychiatric/Mental Health in Warren, MI
About Annissa Rosser Pmhnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANNISSA ROSSER PMHNP-BC (NPI 1285290536) is an individual psychiatric/mental health provider in Warren, Michigan, licensed in Michigan (4704316591) and active in the NPI registry since May 2019. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Locations 2
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
Annissa Rosser Pmhnp-bc 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
3Medicare enrollment records show Annissa Rosser reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Clinton Twp, MI 48036
- Reassigned Medicare billing, Michigan enrollment
- 120 clinicians in this Medicare group
Clarkston, MI 48346
- Reassigned Medicare billing, Michigan enrollment
- 132 clinicians in this Medicare group
Miami, FL 33130
- Reassigned Medicare billing, Michigan enrollment
- 411 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
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 48093 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.
WARREN, MI 48093
WARREN, MI 48093
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 Annissa Rosser's NPI number?
The NPI number for Annissa Rosser is 1285290536. It was assigned to this individual provider in the NPPES registry on May 13, 2019. The provider is also known as Annissa Shaw Pmhnp-Bc.
Where is Annissa Rosser located?
Annissa Rosser practices at 8150 E 13 Mile Rd, Warren, MI 48093. The listed phone number is (800) 395-3223.
What is Annissa Rosser's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Annissa Rosser enrolled in Medicare?
Yes. Annissa Rosser 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 Annissa Rosser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Annissa Rosser reassigns Medicare benefits to 3 organizations: County Of Macomb (Clinton Twp, MI), Ismail B. Sendi, MD, PC (Clarkston, MI) and Grow Healthcare Group PA (Miami, FL). 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 Annissa Rosser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Annissa Rosser 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 Annissa Rosser 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 Annissa Rosser was last updated on August 24, 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.
# Annissa Rosser, PMHNP-BC · NPI 1285290536
Psychiatric/Mental Health physician in Warren, Michigan. Individual provider, active in the CMS NPPES registry since May 13, 2019.
## Identity
- **NPI:** 1285290536 (Entity type: Individual)
- **Enumerated:** May 13, 2019
- **Primary specialty:** Nurse Practitioner - Psychiatric/Mental Health · taxonomy 363LP0808X
- **State license:** 4704316591 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 8150 E 13 MILE RD, Warren, MI 48093-8700
- **Phone:** (800) 395-3223 · **Fax:** (833) 329-6632
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): County Of Macomb (NPI 1942532197, Clinton Twp, MI); Ismail B. Sendi, MD, PC (NPI 1609882067, Clarkston, MI); Grow Healthcare Group PA (NPI 1245845932, Miami, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** August 24, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1285290536) · Data from the CMS NPPES public registry.