BRIAN GROSSMAN
NPI 1366949596
Nurse Practitioner - Primary Care in Allen Park, MI
About Brian Grossman NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BRIAN GROSSMAN (NPI 1366949596) is an individual primary care provider in Allen Park, Michigan, licensed in Michigan (4704306156) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Beaumont Hospital - Grosse Pointe, and is a graduate of Other (2017).
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
Brian Grossman 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 Brian Grossman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Allen Park, MI 48101
- Reassigned Medicare billing, Michigan enrollment
- 7 clinicians in this Medicare group
Southfield, MI 48034
- Reassigned Medicare billing, Michigan enrollment
- 37 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 3
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Beaumont Hospital - Grosse Pointe
Acute Care Hospitals · Grosse Pointe, MIBeaumont Hospital Royal Oak
Acute Care Hospitals · Royal Oak, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48101 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 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ALLEN PARK, MI 48101
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 Brian Grossman's NPI number?
The NPI number for Brian Grossman is 1366949596. It was assigned to this individual provider in the NPPES registry on April 13, 2018.
Where is Brian Grossman located?
Brian Grossman practices at 14575 Southfield Rd, Allen Park, MI 48101. The listed phone number is (313) 381-8787.
What is Brian Grossman's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Brian Grossman enrolled in Medicare?
Yes. Brian Grossman 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 Brian Grossman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Brian Grossman reassigns Medicare benefits to 2 organizations: Downriver Ent PC (Allen Park, MI) and Ear Nose And Throat Consultants PC (Southfield, 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 Brian Grossman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Brian Grossman 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 Brian Grossman 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 Brian Grossman affiliated with any hospitals?
According to CMS data, Brian Grossman is affiliated with Beaumont Hospital - Grosse Pointe and Beaumont Hospital Royal Oak.
When was this NPI record last updated?
The NPPES record for Brian Grossman was last updated on April 13, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Brian Grossman · NPI 1366949596
Primary Care physician in Allen Park, Michigan. Individual provider, active in the CMS NPPES registry since April 13, 2018.
## Identity
- **NPI:** 1366949596 (Entity type: Individual)
- **Enumerated:** April 13, 2018
- **Primary specialty:** Nurse Practitioner - Primary Care · taxonomy 363LP2300X
- **State license:** 4704306156 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 14575 SOUTHFIELD RD, Allen Park, MI 48101-2640
- **Phone:** (313) 381-8787
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Downriver Ent PC (NPI 1134304595, Allen Park, MI); Ear Nose And Throat Consultants PC (NPI 1053484048, Southfield, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** April 13, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1366949596) · Data from the CMS NPPES public registry.