William Maher, DO
NPI 1265410450 · Family Medicine Physician · Des Moines, IA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Maher, DO is a Family Medicine Physician provider in Des Moines, IA (NPI 1265410450).
Provider details
- NPI number
- 1265410450
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 03178 (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
2,997 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) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 504 | $58 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 397 | $9 |
| Remote Monitoring of Physiologic Parameters, Initial Supply of Devices With Daily Recordings Or Programmed Alerts Transmission, Each 30 Days99454 | 333 | $42 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 283 | $45 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 225 | $118 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 112 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 646 | 196 |
| Levothyroxine Sodium | 333 | 78 |
| Lisinopril | 279 | 78 |
| Metformin Hcl | 274 | 64 |
| Amlodipine Besylate | 260 | 70 |
| Omeprazole | 230 | 50 |
| Pantoprazole Sodium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-06
- Last updated
- 2012-05-22
Frequently asked questions
- What is William Maher's NPI number?
- William Maher's National Provider Identifier (NPI) is 1265410450, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Maher's specialty?
- William Maher is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Maher located?
- William Maher's practice location on file with NPPES is 4631 Merle Hay Rd, Des Moines, IA 50322-1962.
- What is William Maher's phone number?
- The practice phone number listed in the NPPES registry for William Maher is (515) 278-0949.
- Does William Maher accept Medicare?
- William Maher is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Maher's NPI active?
- Yes — William Maher's NPI (1265410450) is active in the NPPES registry as of the last update on 2012-05-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.