John A. Halerz, M.D.
Family Medicine Physician · Rochester, MN
John A. Halerz, M.D. is a family medicine physician with a practice address in Rochester, Minnesota, and NPI 1114375532, issued on May 26, 2016. Check the license (Minnesota 64747, as entered in NPPES) on the Minnesota Board of Medical Practice; the Medicare figures below come from public CMS files.
- Name
- John A. Halerz
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 64747 MN
125.068603 IL
Self-reported in NPPES; status is on the state search - Practice location
- 210 9TH St SE, Rochester, MN 55904
- Phone
- (507) 288-3443
- Enumerated
- May 26, 2016
- Record last updated
- Feb 25, 2026
- Medicare enrollment
- Enrolled (PECOS I20190619001884); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 2015
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,985 in Minnesota → Look up another NPI →
Also registered at 210 9TH St SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John A. Halerz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMinnesota Board of Medical Practice
Search for license 64747Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average family medicine physician in 2024
8,223 Medicare Part D claims for 594 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 112 claims were for opioids.
Most prescribed
- Atorvastatin Calcium694 claims
- Lisinopril354 claims
- Amlodipine Besylate344 claims
- Losartan Potassium298 claims
- Levothyroxine Sodium292 claims
- Omeprazole290 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.
2 hospitals and group practices
- Olmsted Medical CenterRochester, MN · Acute Care Hospitals4 of 5 stars
- Mayo Clinic Health System-Southeast Minnesota RegionAustin, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
John A. Halerz among 3,985 family medicine physician records in Minnesota
John A. Halerz, M.D. is one of 3,985 family medicine physician records with a practice address in Minnesota. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 81% of them.
- NPI issued2016 · 81% of these records are older, 17% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2015 · median 2006 among the 2,483 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
200 family medicine physician records list a practice address in Rochester
They are 200 of the 12,854 NPPES records with a practice address in Rochester, and 3,985 family medicine physician records in Minnesota.
All 3,985 in Minnesota → Every provider in Rochester → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Steven Adamson, M.D.Rochester, MN 559041093791105
- Duane BartelsRochester, MN 559041285673509
- David Edwardy, D.O.Rochester, MN 559041699765982
- Joylynn Gonzales, MDRochester, MN 559041487686747
- Randy HemannRochester, MN 559041659324846
- Melanie JohnsonRochester, MN 559041144272808
- David LundbergRochester, MN 559041881646586
- Robert MerrillRochester, MN 559041831143205
Common questions
What is John A. Halerz, M.D.'s NPI number?
John A. Halerz, M.D.'s National Provider Identifier (NPI) is 1114375532, issued on May 26, 2016. An NPI identifies a provider in billing; it is not a license.
Where is John A. Halerz, M.D. located?
The NPPES record lists a practice address at 210 9TH St SE, Rochester, MN, 55904. Phone: (507) 288-3443. Providers update this record themselves, so call before visiting.
How can I verify John A. Halerz, M.D.'s license?
NPPES lists Minnesota license number 64747, as entered by the provider. Search the Minnesota Board of Medical Practice at https://mn.gov/boards/medical-practice/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does John A. Halerz, M.D. prescribe under Medicare Part D?
In 2024, John A. Halerz, M.D. had 8,223 Medicare Part D claims for 594 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
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.