Robert J. Knudson, MD
Family Medicine Physician · Bettendorf, IA
Robert J. Knudson, MD is a family medicine physician with a practice address in Bettendorf, Iowa, and NPI 1528056207, issued on Oct 7, 2005. Check the license (Iowa 33094, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Robert J. Knudson
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 33094 IA
Self-reported in NPPES; status is on the state search - Practice location
- 4321 53RD Ave, Bettendorf, IA 52722
- Phone
- (563) 421-5315
- Enumerated
- Oct 7, 2005
- Record last updated
- Apr 23, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 in Iowa → Look up another NPI →
Also registered at 4321 53RD Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert J. Knudson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 33094Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average family medicine physician in 2024
199 Medicare Part D claims for 44 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium15 claims
- Levothyroxine Sodium11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Robert J. Knudson among 2,336 family medicine physician records in Iowa
Robert J. Knudson, MD is one of 2,336 family medicine physician records with a practice address in Iowa. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 84% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
54 family medicine physician records list a practice address in Bettendorf
They are 54 of the 761 NPPES records with a practice address in Bettendorf, and 2,336 family medicine physician records in Iowa.
All 2,336 in Iowa → Every provider in Bettendorf → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Steven Aguilar, MDBettendorf, IA 527221427053842
- Mary Campbell, MDBettendorf, IA 527221760470454
- Christopher Crome, MDBettendorf, IA 527221205831211
- Myra Daniel, MDBettendorf, IA 527221891783569
- Andrew Edwards, MDBettendorf, IA 527221336137009
- Michael Gimbel, MDBettendorf, IA 527221043208713
- Mark Hermanson, MDBettendorf, IA 527221639174196
- Richard Kasper, MDBettendorf, IA 527221639167307
Common questions
What is Robert J. Knudson, MD's NPI number?
Robert J. Knudson, MD's National Provider Identifier (NPI) is 1528056207, issued on Oct 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Robert J. Knudson, MD located?
The NPPES record lists a practice address at 4321 53RD Ave, Bettendorf, IA, 52722. Phone: (563) 421-5315. Providers update this record themselves, so call before visiting.
How can I verify Robert J. Knudson, MD's license?
NPPES lists Iowa license number 33094, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert J. Knudson, MD prescribe under Medicare Part D?
In 2024, Robert J. Knudson, MD had 199 Medicare Part D claims for 44 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.