David Ahrens, MD
NPI 1891754941 · Family Medicine Physician · Guthrie Center, IA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
David Ahrens, MD is a Family Medicine Physician provider in Guthrie Center, IA (NPI 1891754941).
Provider details
- NPI number
- 1891754941
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 22458 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
877 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 373 | $84 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 233 | $119 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 49 | $167 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 46 | $100 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 40 | $46 |
| Administration of Influenza Virus Vaccine |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 85 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Lisinopril | 179 | 47 |
| Omeprazole | 150 | 34 |
| Amlodipine Besylate | 149 | 32 |
| Furosemide | 121 | 34 |
| Alprazolam | 110 | 24 |
| Atorvastatin Calcium | 104 | 28 |
| Levothyroxine Sodium | 104 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-18
- Last updated
- 2009-12-23
Frequently asked questions
- What is David Ahrens's NPI number?
- David Ahrens's National Provider Identifier (NPI) is 1891754941, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is David Ahrens's specialty?
- David Ahrens is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is David Ahrens located?
- David Ahrens's practice location on file with NPPES is 502 Main, Guthrie Center, IA 50115.
- What is David Ahrens's phone number?
- The practice phone number listed in the NPPES registry for David Ahrens is (641) 332-2365.
- Does David Ahrens accept Medicare?
- David Ahrens is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is David Ahrens's NPI active?
- Yes — David Ahrens's NPI (1891754941) is active in the NPPES registry as of the last update on 2009-12-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.