John Carr, M.D.
NPI 1821471509 · Family Medicine Physician · Rockford, MI
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Carr, M.D. is a Family Medicine Physician provider in Rockford, MI (NPI 1821471509).
Provider details
- NPI number
- 1821471509
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 4301108246 (MI)
Specialties & taxonomies
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
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
339 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 | 224 | $91 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 44 | $63 |
| 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 | 25 | $16 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 21 | $75 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 14 | $49 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 137 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 702 | 197 |
| Lisinopril | 490 | 142 |
| Rosuvastatin Calcium | 404 | 123 |
| Omeprazole | 382 | 109 |
| Amlodipine Besylate | 357 | 111 |
| Metoprolol Succinate | 356 | 107 |
| Levothyroxine Sodium |
Practice location
Mailing address
Additional practice locations (2)
- 300 Lafayette Ave Se Ste 4000Grand Rapids, MI 49503Phone: (616) 685-6741
- 300 Lafayette Ave Se Ste 4000Grand Rapids, MI 49503Phone: (616) 685-6741
Registry dates
- Enumerated
- 2015-06-30
- Last updated
- 2018-09-20
Frequently asked questions
- What is John Carr's NPI number?
- John Carr's National Provider Identifier (NPI) is 1821471509, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Carr's specialty?
- John Carr is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Carr located?
- John Carr's practice location on file with NPPES is 6050 Northland Dr Ne Ste 200, Rockford, MI 49341.
- What is John Carr's phone number?
- The practice phone number listed in the NPPES registry for John Carr is (616) 685-8350.
- Does John Carr accept Medicare?
- John Carr is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Carr's NPI active?
- Yes — John Carr's NPI (1821471509) is active in the NPPES registry as of the last update on 2018-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.