Ajak Mayen, MD
NPI 1841974938 · Family Medicine Physician · Waterloo, IA
Enrolled with Medicare as Order and Referring Only - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ajak Mayen, MD is a Family Medicine Physician provider in Waterloo, IA (NPI 1841974938).
Provider details
- NPI number
- 1841974938
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- R-12883 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Atorvastatin Calcium | 43 |
| Tamsulosin Hcl | 21 |
| Lisinopril | 20 |
| Metoprolol Succinate | 19 |
| Rosuvastatin Calcium | 16 |
| Lisinopril/Hydrochlorothiazidebrand: Lisinopril-Hydrochlorothiazide | 16 |
| Metformin Hcl | 14 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-06-09
- Last updated
- 2023-06-09
- Certified
- 2023-06-09
Frequently asked questions
- What is Ajak Mayen's NPI number?
- Ajak Mayen's National Provider Identifier (NPI) is 1841974938, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ajak Mayen's specialty?
- Ajak Mayen is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ajak Mayen located?
- Ajak Mayen's practice location on file with NPPES is 2055 Kimball Ave Ste 101, Waterloo, IA 50702-5047.
- What is Ajak Mayen's phone number?
- The practice phone number listed in the NPPES registry for Ajak Mayen is (319) 272-2112.
- Does Ajak Mayen accept Medicare?
- Ajak Mayen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ajak Mayen's NPI active?
- Yes — Ajak Mayen's NPI (1841974938) is active in the NPPES registry as of the last update on 2023-06-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.