Physician Profile
John P. Rizik, DO is a healthcare provider in Grand Rapids, MI specializing in internal medicine. John trained at Arizona College of Osteopathic Medicine Mid Western University, graduating in 2019. John is also listed as specializing in physical medicine & rehabilitation. According to Medicare claims data, John cared for 185 Medicare patients across 2,614 services. The services billed most often include injection, ropivacaine hydrochloride, 1 mg, injection, dexamethasone sodium phosphate, 1 mg, and injection, triamcinolone acetonide, not otherwise specified, 10 mg. This provider record is associated with NPI 1790245538.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
1900 WEALTHY ST SE STE 300
Grand Rapids, MI 49506
Within Internal Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Most searched procedures
Preventive and evaluation
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
Digestive
Exams & Consultations
Heart & Circulation
Heart health
Imaging referral
Immunizations
Lab tests
Lungs & Breathing
Metabolic & Weight
Minor procedures
Office procedures
Office Procedures
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
2,614 services · 185 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Aspiration and/or injection of fluid large joint using ultrasound guidance | Procedure | 20611 |
16 | Less often than most peers in Internal Medicine |
| Injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level | Procedure | 64483 |
14 | Less often than most peers in Internal Medicine |
| Needle measurement of electrical activity in arm or leg muscles, complete study | Treatment | 95886 |
30 | Less often than most peers in Internal Medicine |
| Injection, ropivacaine hydrochloride, 1 mg | Drug given | J2795 |
2,054 | More often than most peers in Internal Medicine |
| Injection, dexamethasone sodium phosphate, 1 mg | Drug given | J1100 |
250 | Less often than most peers in Internal Medicine |
| Injection, triamcinolone acetonide, not otherwise specified, 10 mg | Drug given | J3301 |
174 | As often as other peers in Internal Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
46 | Less often than most peers in Internal Medicine |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
30 | As often as other peers in Internal Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Rizik is an internist in Grand Rapids, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Internal Medicine”.
NPI registry
Dr. Rizik is listed at 1900 Wealthy St Se Ste 300, Grand Rapids, MI 49506. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (616) 774-8345. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Rizik's National Provider Identifier is 1790245538. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Rizik attended Arizona College of Osteopathic Medicine Mid Western University, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
Dr. Rizik has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Rizik performs procedures including aspiration and/or injection of fluid large joint using ultrasound guidance and injection of anesthetic and/or steroid drug into sacral spine nerve root using imaging guidance, single level; provides treatments such as needle measurement of electrical activity in arm or leg muscles, complete study, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Rizik. If this is you, claiming it is free.
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