John Charles Frederick, MD practises ophthalmology in Bettendorf, IA. John is a 1993 graduate of University of Iowa, Rj & L Carver College of Medicine. John is also listed as specialising in ophthalmology — pediatric.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Dr. Frederick is an ophthalmology in Bettendorf, IA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPHTHALMOLOGY”.
NPI registry
Dr. Frederick is listed at 777 TANGLEFOOT LN EYE SURGEONS ASSOCIATES PC, Bettendorf, IA 52722. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (563) 323-2020. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Frederick's National Provider Identifier is 1043297492. 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. Frederick attended University of Iowa, Rj & L Carver College of Medicine, graduating in 1993. This comes from the CMS National Downloadable File.
CMS public data
Dr. Frederick has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Frederick provides treatments such as exam to measure eye deviation and range of motion and established patient complete exam of visual system, 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. Frederick. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
777 TANGLEFOOT LN EYE SURGEONS ASSOCIATES PC
Bettendorf, IA 52722
197 services · 188 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Exam to measure eye deviation and range of motion | Treatment | 92060 |
37 |
| Established patient complete exam of visual system | Treatment | 92014 |
28 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
50 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
49 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
22 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
11 |
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.
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 IA 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.