Based in Rockford, IL, John C Maynard, MD is listed in the NPI registry under nephrology. John graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 1978.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Maynard is a nephrology in Rockford, IL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “NEPHROLOGY”.
NPI registry
Dr. Maynard is listed at 612 ROXBURY RD, Rockford, IL 61107. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (815) 227-8300. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Maynard's National Provider Identifier is 1730180878. 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. Maynard attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
Dr. Maynard has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Maynard performs procedures including insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist; reads or performs imaging such as complete ultrasound scan behind abdominal cavity; provides treatments such as home dialysis services per month and ultrasound study of arm or leg veins with compression and maneuvers, 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. Maynard. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
612 ROXBURY RD
Rockford, IL 61107
2,030 services · 1,138 patients · 16 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle and/or tube into hemodialysis circuit and balloon dilation of dialysis segment with review by radiologist | Procedure | 36902 |
14 |
| Complete ultrasound scan behind abdominal cavity | Imaging | 76770 |
25 |
| Home dialysis services per month (20 years or older) | Treatment | 90966 |
96 |
| Ultrasound study of arm or leg veins with compression and maneuvers | Treatment | 93970 |
11 |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
418 |
| 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' | Billing code | G2211 |
353 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
327 |
| Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99439 |
238 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
233 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
91 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Same specialty, same street address — most likely the same department or group.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
Providers in IL who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.