John J. Klein, M.D.
Family Medicine Physician · Cedar Rapids, IA
John J. Klein, M.D. is a family medicine physician with a practice address in Cedar Rapids, Iowa, and NPI 1184684854, issued on Mar 25, 2006. Check the license (Iowa 32041, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- John J. Klein
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 32041 IA
Self-reported in NPPES; status is on the state search - Practice location
- 2815 Edgewood RD SW, Cedar Rapids, IA 52404
- Phone
- (319) 396-9097
- Enumerated
- Mar 25, 2006
- Record last updated
- Dec 9, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (319) 396-0280
- Medicaid ID
- 0162289 IA
- Medicare enrollment
- Enrolled (PECOS I20100331000285); accepts Medicare assignment
- Medical or professional school
- University Of Utah School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 in Iowa → Look up another NPI →
Also registered at 2815 Edgewood RD SW
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristen Barnette, MDFamily Medicine Physician1134180276
- Carrie Bayles, ARNPFamily Nurse Practitioner1578294104
- Colleen Keating, MDFamily Medicine Physician1295701373
- Joseph Kennedy, DOFamily Medicine Physician1427019561
- Samuel Kitzman, PA-CPhysician Assistant1194680140
- Andrew Patterson, MDFamily Medicine Physician1235190372
Verify John J. Klein in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 32041Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
85% fewer Medicare Part D claims than the average family medicine physician in 2024
546 Medicare Part D claims for 402 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Dexamethasone148 claims
- Cefuroxime74 claims
- Doxycycline Hyclate72 claims
- Nitrofurantoin Mono-Macro45 claims
- Azithromycin35 claims
- Montelukast Sodium31 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.
Bills Medicare through one group practice
- Mercy Care Management, IncCedar Rapids, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John J. Klein among 2,336 family medicine physician records in Iowa
John J. Klein, M.D. 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 2006, is newer than 16% of them.
- NPI issued2006 · 16% of these records are older, 48% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1994 · median 2006 among the 1,367 with a school on file
- Record last updated2013 · 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).
97 family medicine physician records list a practice address in Cedar Rapids
They are 97 of the 2,949 NPPES records with a practice address in Cedar Rapids, and 2,336 family medicine physician records in Iowa.
All 2,336 in Iowa → Every provider in Cedar Rapids → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Yang Ahn, MDCedar Rapids, IA 524041083617385
- Peter Ahn, MDCedar Rapids, IA 524041063416394
- Kristen Barnette, MDCedar Rapids, IA 524041134180276
- Casey Boyles, MDCedar Rapids, IA 524041669459921
- John Donatelli, M.D.Cedar Rapids, IA 524041487619789
- Timothy Ishmael, MDCedar Rapids, IA 524041902856198
- Colleen Keating, MDCedar Rapids, IA 524041295701373
- Joseph Kennedy, DOCedar Rapids, IA 524041427019561
Common questions
What is John J. Klein, M.D.'s NPI number?
John J. Klein, M.D.'s National Provider Identifier (NPI) is 1184684854, issued on Mar 25, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John J. Klein, M.D. located?
The NPPES record lists a practice address at 2815 Edgewood RD SW, Cedar Rapids, IA, 52404. Phone: (319) 396-9097. Providers update this record themselves, so call before visiting.
How can I verify John J. Klein, M.D.'s license?
NPPES lists Iowa license number 32041, 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 John J. Klein, M.D. prescribe under Medicare Part D?
In 2024, John J. Klein, M.D. had 546 Medicare Part D claims for 402 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.