MRS. GERI LYNN GROSSI NP
NPI 1992125223
Nurse Practitioner - Family in Port Huron, MI
About Mrs. Geri Lynn Grossi Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. GERI LYNN GROSSI NP (NPI 1992125223) is an individual family provider in Port Huron, Michigan, licensed in Michigan (4704216985) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS, is affiliated with Lake Huron Medical Center, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Mrs. Geri Lynn Grossi Np 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 Geri Grossi reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Port Huron, MI 48060
- Reassigned Medicare billing, Michigan enrollment
- 87 clinicians in this Medicare group
Marysville, MI 48040
- Reassigned Medicare billing, Michigan enrollment
- 26 clinicians in this Medicare group
Warren, MI 48093
- Reassigned Medicare billing, Michigan enrollment
- Medicare enrollment name: Ved P Singla MD PC
- 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.
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lake Huron Medical Center
Acute Care Hospitals · Port Huron, MIMclaren Port Huron
Acute Care Hospitals · Port Huron, MIDeckerville Community Hospital
Critical Access Hospitals · Deckerville, MIHarbor Beach Community Hospital
Critical Access Hospitals · Harbor Beach, MIMckenzie Health System
Critical Access Hospitals · Sandusky, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48060 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
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORT HURON, MI 48060
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 Geri Grossi's NPI number?
The NPI number for Geri Grossi is 1992125223. It was assigned to this individual provider in the NPPES registry on April 25, 2014. The provider is also known as Ms. Geri Lynn Ginter.
Where is Geri Grossi located?
Geri Grossi practices at 1231 Pine Grove Ave Ste 2A, Port Huron, MI 48060. The listed phone number is (810) 982-8742.
What is Geri Grossi's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Geri Grossi enrolled in Medicare?
Yes. Geri Grossi 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 Geri Grossi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Geri Grossi reassigns Medicare benefits to 3 organizations: Mclaren Port Huron (Port Huron, MI), Physician Healthcare Network, PC (Marysville, MI) and Ved P Singla, M.D. P.C. (Warren, 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 Geri Grossi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Geri Grossi accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Geri Grossi 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.
Is Geri Grossi affiliated with any hospitals?
According to CMS data, Geri Grossi is affiliated with Lake Huron Medical Center, Mclaren Port Huron, Deckerville Community Hospital, Harbor Beach Community Hospital and Mckenzie Health System.
When was this NPI record last updated?
The NPPES record for Geri Grossi was last updated on June 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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.
# Mrs. Geri Lynn Grossi, NP · NPI 1992125223
Family physician in Port Huron, Michigan. Individual provider, active in the CMS NPPES registry since April 25, 2014.
## Identity
- **NPI:** 1992125223 (Entity type: Individual)
- **Enumerated:** April 25, 2014
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 4704216985 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1231 PINE GROVE AVE STE 2A, Port Huron, MI 48060-3500
- **Phone:** (810) 982-8742 · **Fax:** (810) 984-8291
## 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): Mclaren Port Huron (NPI 1619355930, Port Huron, MI); Physician Healthcare Network, PC (NPI 1750334405, Marysville, MI); Ved P Singla, M.D. P.C. (NPI 1346418886, Warren, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** June 17, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1992125223) · Data from the CMS NPPES public registry.