Maureen Marks, M.D.
Family Medicine Physician · Cedar Rapids, IA
Maureen Marks, M.D. is a family medicine physician with a practice address in Cedar Rapids, Iowa, and NPI 1659389260, issued on Aug 3, 2006. Check the license (Iowa 36599, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Maureen Marks
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 36599 IA
Self-reported in NPPES; status is on the state search - Practice location
- 610 8TH St SE, Cedar Rapids, IA 52401
- Phone
- (319) 398-6172
- Enumerated
- Aug 3, 2006
- Record last updated
- Nov 24, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (319) 398-6466
- Medicaid ID
- 0450577 IA
- Medicare enrollment
- Enrolled (PECOS I20080119000116); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 in Iowa → Look up another NPI →
Also registered at 610 8TH St SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Gordon Baustian, M.D.Family Medicine Physician1558349589
- Jennifer Beck, M.D.Family Medicine Physician1053375022
- Valerie Crowther Besset, M.D.Family Medicine Physician1316094683
- Tony Myers, M.D.Family Medicine Physician1407835283
- Donald Nelson, M.D.Family Medicine Physician1588643365
Verify Maureen Marks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 36599Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average family medicine physician in 2024
247 Medicare Part D claims for 162 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Doxycycline Monohydrate31 claims
- Prednisone22 claims
- Amoxicillin-Clavulanate Potass15 claims
- Albuterol Sulfate Hfa13 claims
- Cephalexin13 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
- Southern California Permanente Medical GroupSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maureen Marks among 2,336 family medicine physician records in Iowa
Maureen Marks, 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
- Graduated2004 · median 2006 among the 1,367 with a school on file
- 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).
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
- Nancy Angenend, M.D.Cedar Rapids, IA 524011649359035
- Gordon Baustian, M.D.Cedar Rapids, IA 524011558349589
- Jennifer Beck, M.D.Cedar Rapids, IA 524011053375022
- Valerie Crowther Besset, M.D.Cedar Rapids, IA 524011316094683
- Jill Flory, M.D.Cedar Rapids, IA 524011811076201
- Jennifer Lickteig, MDCedar Rapids, IA 524011801856091
- Tony Myers, M.D.Cedar Rapids, IA 524011407835283
- Donald Nelson, M.D.Cedar Rapids, IA 524011588643365
Common questions
What is Maureen Marks, M.D.'s NPI number?
Maureen Marks, M.D.'s National Provider Identifier (NPI) is 1659389260, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maureen Marks, M.D. located?
The NPPES record lists a practice address at 610 8TH St SE, Cedar Rapids, IA, 52401. Phone: (319) 398-6172. Providers update this record themselves, so call before visiting.
How can I verify Maureen Marks, M.D.'s license?
NPPES lists Iowa license number 36599, 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 Maureen Marks, M.D. prescribe under Medicare Part D?
In 2024, Maureen Marks, M.D. had 247 Medicare Part D claims for 162 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.