DR. DONALD BROCK D.O.
NPI 1710965363
Emergency Medicine in Hillsdale, MI
About Dr. Donald Brock D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DONALD BROCK D.O. (NPI 1710965363) is an individual emergency medicine provider in Hillsdale, Michigan, licensed in Michigan (5101011514) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Promedica Charles And Virginia Hickman Hospital, and is a graduate of Other (1991).
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. Donald Brock D.o. 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
7Medicare enrollment records show Donald Brock reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Adrian, MI 49221
- Reassigned Medicare billing, Michigan enrollment
- 95 clinicians in this Medicare group
Wauseon, OH 43567
- Reassigned Medicare billing, Ohio enrollment
- 118 clinicians in this Medicare group
Flint, MI 48532
- Reassigned Medicare billing, Michigan enrollment
- 444 clinicians in this Medicare group
Parma, OH 44129
- Reassigned Medicare billing, Ohio enrollment
- 237 clinicians in this Medicare group
Columbus, OH 43215
- Reassigned Medicare billing, Ohio enrollment
- 474 clinicians in this Medicare group
Warren, OH 44485
- Reassigned Medicare billing, Ohio enrollment
- 76 clinicians in this Medicare group
Seaman, OH 45679
- Reassigned Medicare billing, Ohio enrollment
- 894 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 5
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Promedica Charles And Virginia Hickman Hospital
Acute Care Hospitals · Adrian, MIMclaren Bay Region
Acute Care Hospitals · Bay City, MIMclaren Greater Lansing
Acute Care Hospitals · Lansing, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 49242 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
HILLSDALE, MI 49242
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 Donald Brock's NPI number?
The NPI number for Donald Brock is 1710965363. It was assigned to this individual provider in the NPPES registry on January 4, 2006.
Where is Donald Brock located?
Donald Brock practices at 168 S Howell St, Hillsdale, MI 49242. The listed phone number is (517) 437-4451.
What is Donald Brock's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Donald Brock enrolled in Medicare?
Yes. Donald Brock 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 Donald Brock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Donald Brock reassigns Medicare benefits to 7 organizations: Sound Physicians Emergency Medicine Of Michigan, PLLC (Adrian, MI), Hles Of Ohio, Inc. (Wauseon, OH), Mclaren Hospital Group (Flint, MI), Magis Emergency Medicine LLC (Parma, OH), Ohio Emergency Professionals Inc (Columbus, OH) and 2 more organizations, listed in the Medicare section above. 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 Donald Brock's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Donald Brock accept?
Health plans from Blue Cross Blue Shield of Michigan Mutual Insurance Company, CareSource and Paramount list Donald Brock 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 Donald Brock affiliated with any hospitals?
According to CMS data, Donald Brock is affiliated with Promedica Charles And Virginia Hickman Hospital, Mclaren Bay Region and Mclaren Greater Lansing.
When was this NPI record last updated?
The NPPES record for Donald Brock was last updated on January 17, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. Donald Brock, D.O. · NPI 1710965363
Emergency Medicine physician in Hillsdale, Michigan. Individual provider, active in the CMS NPPES registry since January 4, 2006.
## Identity
- **NPI:** 1710965363 (Entity type: Individual)
- **Enumerated:** January 4, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 5101011514 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 168 S HOWELL ST, Hillsdale, MI 49242-2040
- **Phone:** (517) 437-4451
## 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:** 7 organizations under Medicare reassignment (form CMS-855R): Sound Physicians Emergency Medicine Of Michigan, PLLC (NPI 1568913473, Adrian, MI); Hles Of Ohio, Inc. (NPI 1679806301, Wauseon, OH); Mclaren Hospital Group (NPI 1942026174, Flint, MI); Magis Emergency Medicine LLC (NPI 1801287511, Parma, OH); Ohio Emergency Professionals Inc (NPI 1982983425, Columbus, OH); and 2 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1991
## Record status
- **NPPES last updated:** January 17, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1710965363) · Data from the CMS NPPES public registry.