Ajak Mayen, MD
Family Medicine Physician · Waterloo, IA
Ajak Mayen, MD is a family medicine physician with a practice address in Waterloo, Iowa, and NPI 1841974938, issued on Jun 9, 2023. Check the license (Iowa R-12883, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Ajak Mayen
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- R-12883 IA
Self-reported in NPPES; status is on the state search - Practice location
- 2055 Kimball Ave Ste 101, Waterloo, IA 50702
- Phone
- (319) 272-2112
- Enumerated
- Jun 9, 2023
- Record last updated
- Jun 9, 2023
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,336 in Iowa → Look up another NPI →
Also registered at 2055 Kimball Ave Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ajak Mayen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license R-12883Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average family medicine physician in 2024
394 Medicare Part D claims for 58 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium43 claims
- Tamsulosin Hcl21 claims
- Lisinopril20 claims
- Metoprolol Succinate19 claims
- Lisinopril-Hydrochlorothiazide16 claims
- Rosuvastatin Calcium16 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.
Ajak Mayen among 2,336 family medicine physician records in Iowa
Ajak Mayen, 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 2023, is newer than 91% of them.
- NPI issued2023 · 91% of these records are older, 6% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2023 · 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).
93 family medicine physician records list a practice address in Waterloo
They are 93 of the 1,512 NPPES records with a practice address in Waterloo, and 2,336 family medicine physician records in Iowa.
All 2,336 in Iowa → Every provider in Waterloo → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Mitchel Bernstrom, M.D.Waterloo, IA 507021265489967
- Mark Bickley, D.O.Waterloo, IA 507021912948126
- Patricia Connell, M.D.Waterloo, IA 507021073510715
- Ronald Flory, MDWaterloo, IA 507021366483547
- Robert Friedman, M.D.Waterloo, IA 507021013915750
- Nicholas Goetsch, D.O.Waterloo, IA 507021740287614
- Michelle Graham, M.D.Waterloo, IA 507021295722106
- Geoffrey Hadlock, MDWaterloo, IA 507021184668709
Common questions
What is Ajak Mayen, MD's NPI number?
Ajak Mayen, MD's National Provider Identifier (NPI) is 1841974938, issued on Jun 9, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Ajak Mayen, MD located?
The NPPES record lists a practice address at 2055 Kimball Ave Ste 101, Waterloo, IA, 50702. Phone: (319) 272-2112. Providers update this record themselves, so call before visiting.
How can I verify Ajak Mayen, MD's license?
NPPES lists Iowa license number R-12883, 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 Ajak Mayen, MD prescribe under Medicare Part D?
In 2024, Ajak Mayen, MD had 394 Medicare Part D claims for 58 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.