Ian Stock, DO
NPI 1326544537 · Family Medicine Physician · Decorah, IA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ian Stock, DO is a Family Medicine Physician provider in Decorah, IA (NPI 1326544537).
Provider details
- NPI number
- 1326544537
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
- License
- 71783 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
8 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,228 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 Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 279 | $118 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 178 | $84 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 170 | $15 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 99 | $99 |
| Administration of Influenza Virus VaccineG0008 | 74 | $30 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 64 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amlodipine Besylate | 108 | 24 |
| Atorvastatin Calcium | 105 | 40 |
| Omeprazole | 96 | 25 |
| Furosemide | 87 | 22 |
| Metoprolol Succinate | 71 | 17 |
| Prednisone | 62 | 48 |
| Gabapentin | 60 |
Practice location
Mailing address
Additional practice locations (1)
- 1836 South AveLa Crosse, WI 54601-5429Phone: (608) 782-7300
Registry dates
- Enumerated
- 2018-04-05
- Last updated
- 2023-02-14
- Certified
- 2023-02-14
Frequently asked questions
- What is Ian Stock's NPI number?
- Ian Stock's National Provider Identifier (NPI) is 1326544537, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ian Stock's specialty?
- Ian Stock is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ian Stock located?
- Ian Stock's practice location on file with NPPES is 1830 State Highway 9, Decorah, IA 52101-7301.
- What is Ian Stock's phone number?
- The practice phone number listed in the NPPES registry for Ian Stock is (563) 382-3140.
- Does Ian Stock accept Medicare?
- Ian Stock is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ian Stock's NPI active?
- Yes — Ian Stock's NPI (1326544537) is active in the NPPES registry as of the last update on 2023-02-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.