IAN J STOCK DO
NPI 1326544537
Family Medicine in Decorah, IA

Q: What is Ian Stock's NPI number?

The NPI number for Ian Stock is 1326544537. It was assigned to this individual provider in the NPPES registry on April 5, 2018.

Q: What is Ian Stock's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Ian Stock was last updated on February 14, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since April 05, 2018PECOS EnrolledAccepts Medicare Assignment

1830 STATE HIGHWAY 9, DECORAH, IA 52101(563) 382-3140 Get Directions Write a Review

NPPES record last updated: February 14, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 14, 2023, Nov 25, 2020 (2 updates tracked since 2020).

On this page

About Ian J Stock Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

IAN J STOCK DO (NPI 1326544537) is an individual family medicine provider in Decorah, Iowa, licensed in Iowa (DO-05825) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS, is affiliated with Gundersen Palmer Lutheran Hospital And Clinics, and maintains a secondary practice location in La Crosse.

NPPES Registry Identity

NPI1326544537

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameIAN J STOCKCredential: DO

Location Address1830 STATE HIGHWAY 9Decorah, IA 52101-7301

Mailing Address1836 South AveLa Crosse, WI 54601-5429 · (608) 782-7300

Phone(563) 382-3140

Sole ProprietorNo

Medical School CMSMidwestern University, Chicago College Of Osteopathic MedGraduated 2018

Enumeration DateApril 5, 2018

Last NPPES UpdateFebruary 14, 20232 updates tracked since enumeration

NPPES CertifiedFebruary 14, 2023

✔ NPI 1326544537 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

Licenses✔ Licensed in IA · DO-05825✔ Licensed in WI · 71783

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1830 STATE HIGHWAY 9, Decorah, IA 52101

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Secondary Practice Location 1

Location 11836 South AveLA Crosse, WI 54601-5429 · Phone (608) 782-7300

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan, Oscar Insurance Company and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ian J Stock Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3173870284

PECOS Enrollment IDI20201210001257, I20210825002374, I20260212000637

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Ian Stock reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Gundersen Clinic, Ltd.

Same address

Clinic/Center

1830 STATE HIGHWAY 9
Decorah, IA 52101

Reassigned Medicare billing, Iowa and Wisconsin enrollments
Also billed through NPI 1164477675 (Wisconsin)
179 clinicians in this Medicare group

NPI 1982657458 (608) 782-7300

Gundersen Regional Clinics LLC

Same address

Clinic/Center

1830 STATE HIGHWAY 9 STE 100
Decorah, IA 52101

Reassigned Medicare billing, Iowa enrollment
83 clinicians in this Medicare group

NPI 1043999071 (608) 782-7300

Palmer Lutheran Health Center, Inc.

23 mi

Critical Access

112 JEFFERSON STREET
West Union, IA 52175

Reassigned Medicare billing, Iowa enrollment
155 clinicians in this Medicare group

NPI 1891744108 (563) 422-3811

Gundersen Lutheran Medical Center Inc

43 mi

Clinic/Center

1930 SIMS PLACE
La Crosse, WI 54601

Reassigned Medicare billing, Wisconsin and Minnesota enrollments
Also billed through NPI 1376593442 (Minnesota)
1,457 clinicians in this Medicare group

NPI 1255194452 (608) 782-7300

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 20

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml Q9967

Low osmolar contrast material with 300-399 mg/ml iodine concentration is a diagnostic tool used in imaging procedures. It helps to enhance the visibility of specific areas in the body, aiding in accurate diagnosis. It's safe and generally well-tolerated by patients.

1,211 services11 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

279 services187 patients

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

178 services148 patients

Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes 99309

A follow-up nursing facility visit per day is a daily check-in by a healthcare professional. This 25-minute visit typically involves monitoring your health progress, addressing any concerns, and adjusting treatment plans as necessary. It's a vital part of ensuring your ongoing wellbeing.

99 services49 patients

Administration of influenza virus vaccine G0008

The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.

74 services74 patients

Influenza vaccine split virus, preservative free 90662

The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.

71 services71 patients

Blood creatinine level 82565

A blood creatinine level test measures the amount of creatinine in your blood. Creatinine is a waste product that your body produces when it uses energy. High levels may indicate that your kidneys aren't working properly. This test is often used to monitor kidney health.

58 services48 patients

Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439

An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.

52 services52 patients

Blood potassium level 84132

A blood potassium level test measures the amount of potassium in your blood. Potassium is a vital mineral for the body, helping nerves and muscles, especially the heart, to function properly. Abnormal levels can cause health issues like irregular heartbeat, muscle weakness, or numbness.

50 services40 patients

Insertion of needle into vein for collection of blood sample 36415

This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.

33 services32 patients

Blood sodium level 84295

A blood sodium level test measures the amount of sodium, a vital mineral, in your blood. It helps assess your body's water levels and the function of your nerves and muscles. Abnormal levels may indicate conditions like dehydration, kidney disease, or hormonal imbalances.

33 services28 patients

Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215

This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.

29 services25 patients

Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025

A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.

23 services22 patients

Office or other outpatient visit for the evaluation and management of established patient that may not require presence of healthcare professional 99211

This service involves an outpatient visit for established patients who may not need direct interaction with a healthcare professional. It could include reviewing test results, monitoring existing conditions, or adjusting treatment plans. It's typically done remotely, ensuring your comfort and convenience.

20 services15 patients

Blood glucose (sugar) level 82947

A blood glucose level test measures the amount of sugar in your blood. It's often used to monitor and manage conditions like diabetes. High or low levels can indicate a health issue. The test is usually done by pricking your finger for a small blood sample.

18 services17 patients

Manual urinalysis test with examination using microscope, automated 81001

A manual urinalysis test with automated microscopic examination is a lab process that checks your urine for health indicators. It involves a machine scanning your sample to identify any abnormal elements, which can assist in diagnosing various conditions.

17 services17 patients

Diabetes outpatient self-management training services, individual, per 30 minutes G0108

This service involves personalized training sessions, each lasting 30 minutes, to help manage diabetes. It includes guidance on monitoring blood sugar, healthy eating, physical activity, medication usage, and dealing with daily challenges of living with diabetes.

16 services11 patients

Liver enzyme (sgpt), level 84460

A liver enzyme (SGPT) level test is a blood test that checks the health of your liver. SGPT is an enzyme found in your liver cells. If your liver is damaged or inflamed, SGPT can leak into your bloodstream, raising the enzyme level. This test helps identify liver diseases early.

15 services15 patients

Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221

Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.

14 services13 patients

Hospital discharge day management, 30 minutes or less 99238

Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Gundersen Palmer Lutheran Hospital And Clinics

Critical Access Hospitals · West Union, IA

OwnershipVoluntary non-profit - Private

CMS Certification Number161316

Location112 Jefferson StreetWest Union, IA 52175 · Fayette County

Emergency services

Veterans Memorial Hospital

Critical Access Hospitals · Waukon, IA

OwnershipGovernment - Local

CMS Certification Number161318

Location40 1st Street SEWaukon, IA 52172 · Allamakee County

Emergency services

Regional Health Services Of Howard County

Critical Access Hospitals · Cresco, IA

OwnershipGovernment - Local

CMS Certification Number161328

Location235 8th Avenue WestCresco, IA 52136 · Howard County

Emergency services Birthing friendly

Winnmed

Critical Access Hospitals · Decorah, IA

OwnershipGovernment - Local

CMS Certification Number161371

Location901 Montgomery StreetDecorah, IA 52101 · Winneshiek County

Emergency services

Gundersen Lutheran Medical Center

Acute Care Hospitals · La Crosse, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520087

Location1910 South AveLa Crosse, WI 54601 · La Crosse County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 52101 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$81.84 typical visit price

range $52.96 – $161.40

Typical copayment $20.46 (range $13.24 – $40.35)

Most-billed visit code 99203

Established Patient

$94.05 typical visit price

range $16.91 – $131.98

Typical copayment $23.51 (range $4.22 – $32.99)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253

DME-Other DME · category DE017N

3 suppliers15 claims31 services$6.25 avg. paid by Medicare

Lancets, per box of 100 A4259

DME-Medical/Surgical Supplies · category DA000N

3 suppliers11 claims12 services$0.96 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. KEVIN VINCENT QUINN M.D.

Psychiatry & Neurology (Child & Adolescent Psychiatry)