John Halerz, M.D.
NPI 1114375532 · Family Medicine Physician · Rochester, MN
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Halerz, M.D. is a Family Medicine Physician provider in Rochester, MN (NPI 1114375532).
Provider details
- NPI number
- 1114375532
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 125.068603 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
533 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 223 | $96 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 203 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 40 | $67 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 34 | $140 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 118 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 694 | 187 |
| Lisinopril | 354 | 102 |
| Amlodipine Besylate | 344 | 103 |
| Losartan Potassium | 298 | 91 |
| Levothyroxine Sodium | 292 | 79 |
| Omeprazole | 290 | 74 |
| Metoprolol Succinate |
Practice location
Mailing address
Additional practice locations (3)
- 4140 Southwest HwyHometown, IL 60456-1135Phone: (708) 422-5700Fax: (708) 422-8225
- 4140 Southwest HwyHometown, IL 60456-1135Phone: (708) 422-5700Fax: (708) 422-8225
- 404 W Fountain StAlbert Lea, MN 56007Phone: (507) 373-2384
Registry dates
- Enumerated
- 2016-05-26
- Last updated
- 2026-02-25
- Certified
- 2026-02-25
Frequently asked questions
- What is John Halerz's NPI number?
- John Halerz's National Provider Identifier (NPI) is 1114375532, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Halerz's specialty?
- John Halerz is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Halerz located?
- John Halerz's practice location on file with NPPES is 210 9th St Se, Rochester, MN 55904-6756.
- What is John Halerz's phone number?
- The practice phone number listed in the NPPES registry for John Halerz is (507) 288-3443.
- Does John Halerz accept Medicare?
- John Halerz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Halerz's NPI active?
- Yes — John Halerz's NPI (1114375532) is active in the NPPES registry as of the last update on 2026-02-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.