William Chase, MD
NPI 1841259504 · Family Medicine Physician · Norwalk, IA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Chase, MD is a Family Medicine Physician provider in Norwalk, IA (NPI 1841259504).
Provider details
- NPI number
- 1841259504
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 34287 (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
3,267 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 577 | $9 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 570 | $58 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 403 | $119 |
| Remote Monitoring of Physiologic Parameters, Initial Supply of Devices With Daily Recordings Or Programmed Alerts Transmission, Each 30 Days99454 | 318 | $42 |
| Management Using the Results of Remote Vital Sign Monitoring Per Calendar Month, First 20 Minutes99457 | 278 | $45 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent Visit |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 119 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 631 | 171 |
| Levothyroxine Sodium | 340 | 84 |
| Amlodipine Besylate | 318 | 77 |
| Metformin Hcl | 293 | 80 |
| Simvastatin | 279 | 74 |
| Lisinopril | 273 | 71 |
| Metoprolol Succinate | 202 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-21
- Last updated
- 2012-08-15
Frequently asked questions
- What is William Chase's NPI number?
- William Chase's National Provider Identifier (NPI) is 1841259504, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Chase's specialty?
- William Chase is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Chase located?
- William Chase's practice location on file with NPPES is 801 Colonial Cir, Norwalk, IA 50211-9626.
- What is William Chase's phone number?
- The practice phone number listed in the NPPES registry for William Chase is (515) 285-3200.
- Does William Chase accept Medicare?
- William Chase is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Chase's NPI active?
- Yes — William Chase's NPI (1841259504) is active in the NPPES registry as of the last update on 2012-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.