Donald Brock, D.O.
Emergency Medicine Physician · Hillsdale, MI
Donald Brock, D.O. is an emergency medicine physician with a practice address in Hillsdale, Michigan, and NPI 1710965363, issued on Jan 4, 2006. Check the license (Michigan 5101011514, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Donald Brock
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 5101011514 MI
04282 KY
34009716 OH
Self-reported in NPPES; status is on the state search - Practice location
- 168 S Howell St, Hillsdale, MI 49242
- Phone
- (517) 437-4451
- Enumerated
- Jan 4, 2006
- Record last updated
- Jan 17, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20040507000898); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,083 in Michigan → Look up another NPI →
Also registered at 168 S Howell St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rehan Ahmad, M.D.Emergency Medicine Physician1174903280
- Mohamed Al-Azem, MDDiagnostic Radiology Physician1558436022
- Brietta Allen, MSWSocial Worker1093283673
- Keith Baron, M.D.Emergency Medicine Physician1710012554
- Renee Batt, MSWClinical Social Worker1255654869
- Sarah Batterson, OTRLOccupational Therapist1477053221
Verify Donald Brock in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101011514Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% more Medicare Part D claims than the average emergency medicine physician in 2024
331 Medicare Part D claims for 262 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims. 29 claims were for opioids.
Most prescribed
- Cephalexin80 claims
- Prednisone50 claims
- Azithromycin40 claims
- Amoxicillin-Clavulanate Potass16 claims
- Sulfamethoxazole-Trimethoprim16 claims
- Doxycycline Hyclate15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 80.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Mclaren Hospital GroupFlint, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Donald Brock among 3,083 emergency medicine physician records in Michigan
Donald Brock, D.O. is one of 3,083 emergency medicine physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 1% of them.
- NPI issued2006 · 1% of these records are older, 77% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1991 · median 2013 among the 1,931 with a school on file
- Record last updated2019 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 emergency medicine physician records list a practice address in Hillsdale
They are 5 of the 276 NPPES records with a practice address in Hillsdale, and 3,083 emergency medicine physician records in Michigan.
All 3,083 in Michigan → Every provider in Hillsdale → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Rehan Ahmad, M.D.Hillsdale, MI 492421174903280
- Keith Baron, M.D.Hillsdale, MI 492421710012554
- Leslie Fraser, M.DHillsdale, MI 492421114056702
- Charles Johnston, MDHillsdale, MI 492421659408466
- Vanessa Calabria, DOAdrian, MI 492211972916559
- Maxwell Leffler, DOAdrian, MI 492211255893822
- John Maino, MDJackson, MI 492031902851173
- Erin Murfey, MDJackson, MI 492031053400812
Common questions
What is Donald Brock, D.O.'s NPI number?
Donald Brock, D.O.'s National Provider Identifier (NPI) is 1710965363, issued on Jan 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donald Brock, D.O. located?
The NPPES record lists a practice address at 168 S Howell St, Hillsdale, MI, 49242. Phone: (517) 437-4451. Providers update this record themselves, so call before visiting.
How can I verify Donald Brock, D.O.'s license?
NPPES lists Michigan license number 5101011514, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Donald Brock, D.O. prescribe under Medicare Part D?
In 2024, Donald Brock, D.O. had 331 Medicare Part D claims for 262 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Donald Brock, D.O.'s MIPS final score?
The 2023 MIPS final score is 80.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.