DR. GERMAN LARRAIN MD
NPI 1508845090
Internal Medicine - Interventional Cardiology in Wausau, WI

Q: What is German Larrain's NPI number?

The NPI number for German Larrain is 1508845090. It was assigned to this individual provider in the NPPES registry on January 12, 2006.

Q: What is German Larrain's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Q: When was this NPI record last updated?

The NPPES record for German Larrain was last updated on January 10, 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 January 12, 2006PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

500 WIND RIDGE DR, WAUSAU, WI 54401(715) 847-2611(715) 847-2465 Get Directions Write a Review

NPPES record last updated: January 10, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. German Larrain Md NPPES

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

DR. GERMAN LARRAIN MD (NPI 1508845090) is an individual interventional cardiology provider in Wausau, Wisconsin, licensed in Wisconsin (42747020) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Aspirus Keweenaw Hospital And Clinics, and is a graduate of Other (1985).

NPPES Registry Identity

NPI1508845090

Entity TypeIndividualMale

Primary Taxonomy207RI0011X

Provider Legal NameDR. GERMAN LARRAINCredential: MD

Location Address500 WIND RIDGE DRWausau, WI 54401-4173

Mailing Address500 Wind Ridge DriveWausau, WI 54401-4173 · (715) 847-2611 · Fax (715) 847-2465

Phone(715) 847-2611

Fax(715) 847-2465

Sole ProprietorNo

Medical School CMSOtherGraduated 1985

Enumeration DateJanuary 12, 2006

Last NPPES UpdateJanuary 10, 2023

NPPES CertifiedJanuary 10, 2023

✔ NPI 1508845090 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians

Taxonomy Code207RI0011X

License✔ Licensed in WI · 42747020

Definition

An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

500 WIND RIDGE DR, Wausau, WI 54401

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Other Identifiers 1

Medicaid34026000WI

Accepted Insurance

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

Dr. German Larrain Md 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 ID9638129588

PECOS Enrollment IDI20050127000832, I20090107000505

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 German Larrain reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Aspirus Medical Group, Inc.

Same address

Cardiovascular Disease

500 WIND RIDGE DR
Wausau, WI 54401

Reassigned Medicare billing, Michigan enrollment
Medicare enrollment name: Aspirus Iron River Hospital & Clinics Inc
Also billed through NPI 1457865198 (Michigan)
200 clinicians in this Medicare group

NPI 1033411822 (715) 847-2611

Aspirus Medical Group, Inc.

Same address

Cardiovascular Disease

500 WIND RIDGE DR
Wausau, WI 54401

Reassigned Medicare billing, Michigan and Wisconsin enrollments
29 clinicians in this Medicare group

NPI 1033411822 (715) 847-2611

Aspirus Wausau Hospital, Inc.

Same address

Cardiovascular Disease

500 WIND RIDGE DR
Wausau, WI 54401

Reassigned Medicare billing, Michigan and Wisconsin enrollments
6 clinicians in this Medicare group

NPI 1548688419 (715) 847-2611

Aspirus Medford Hospital & Clinics, Inc.

21 mi

Rural Health

729 PINE ST
Athens, WI 54411

Reassigned Medicare billing, Wisconsin enrollment
376 clinicians in this Medicare group

NPI 1760912919 (715) 748-8100

Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc.

26 mi

Clinic/Center

1660 SUE ALAN DR
Wittenberg, WI 54499

Reassigned Medicare billing, Wisconsin enrollment
935 clinicians in this Medicare group

NPI 1114696507 (715) 253-2110

Aspirus Ironwood Hospital & Clinics Inc.

92 mi

Ophthalmology

229 W GENESEE ST
Iron River, MI 49935

Reassigned Medicare billing, Michigan enrollment
244 clinicians in this Medicare group

NPI 1073293999 (906) 265-9931

Aspirus Ironwood Hospital & Clinics Inc.

92 mi

Ophthalmology

229 W GENESEE ST
Iron River, MI 49935

Reassigned Medicare billing, Michigan enrollment
264 clinicians in this Medicare group

NPI 1073293999 (906) 265-9931

Divine Savior Healthcare, Inc.

97 mi

General Acute Care Hospital

2817 NEW PINERY RD
Portage, WI 53901

Reassigned Medicare billing, Wisconsin enrollment
359 clinicians in this Medicare group

NPI 1124083894 (608) 742-4131

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 34

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.

Anticoagulant management of patient taking warfarin 93793

Anticoagulant management with warfarin involves monitoring and adjusting your medication to prevent blood clots while minimizing the risk of bleeding. Regular blood tests measure your response to warfarin, helping adjust your dose if necessary. It's crucial to maintain a consistent diet and promptly report any changes in your health.

463 services53 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

461 services415 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

344 services318 patients

Injection, regadenoson, 0.1 mg J2785

Regadenoson injection, 0.1 mg, is a medication used to help visualize the heart during a stress test. It works by increasing blood flow in the arteries of the heart. It's injected into a vein and is generally well-tolerated.

344 services85 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.

209 services124 patients

Technetium tc-99m sestamibi, diagnostic, per study dose A9500

Technetium Tc-99m Sestamibi is a diagnostic test used to create images of your heart or breast tissues. It involves a safe radioactive substance injection that helps doctors to detect any abnormalities or changes in these tissues.

141 services70 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

114 services104 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

103 services103 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

95 services94 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.

78 services76 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

74 services73 patients

Blood test, clotting time 85610

A clotting time blood test helps determine how quickly your blood forms clots, a process crucial to stop bleeding. During the test, a small blood sample is taken from your arm. The sample is then analyzed in a lab to see how long it takes for a clot to form.

68 services16 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.

63 services63 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

61 services61 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

60 services59 patients

Replacement of aortic valve through the skin and femoral artery 33361

This procedure, known as Transcatheter Aortic Valve Replacement (TAVR), involves replacing a damaged aortic valve through a small incision in the leg. A catheter is inserted into the femoral artery and guided up to the heart. The new valve is then positioned and deployed, restoring normal blood flow.

49 services49 patients

Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 93458

This procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.

42 services42 patients

Injection, octafluoropropane microspheres, per ml Q9956

Octafluoropropane microspheres injection is a procedure where tiny gas-filled bubbles are injected into your bloodstream. These bubbles help improve the quality of ultrasound images by enhancing the contrast, aiding in the detection and diagnosis of certain conditions.

33 services11 patients

Repair of left upper heart chamber with implant with review by radiologist 33340

This is a procedure to fix a problem in your left upper heart chamber. An implant is used to correct the issue. After the procedure, a radiologist, a doctor who specializes in medical imaging, reviews the images to ensure everything is in order.

31 services29 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

28 services28 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

28 services28 patients

Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch 92928

This procedure involves placing a small, mesh tube (stent) in your coronary artery to keep it open. A balloon is used to expand the stent and artery, improving blood flow to your heart. It's typically done for a single artery or branch.

26 services20 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

21 services21 patients

New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205

This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.

21 services21 patients

Blood test, basic group of blood chemicals (calcium, ionized) 80047

A basic group of blood chemicals test, including calcium and ionized, is a simple procedure where a small amount of blood is drawn from your arm. This test helps assess your body's overall health and detect potential disorders like kidney disease or bone disease.

19 services18 patients

Insertion of tube in right and left heart chambers and coronary artery for diagnosis with review by radiologist 93460

This procedure involves placing a tube into the heart chambers and coronary artery. It helps diagnose heart conditions. A radiologist reviews the images obtained. It's a standard, safe procedure performed by experienced medical professionals.

17 services17 patients

Heart rhythm recording continous external ekg over more than 48 hours up to 7 days 93242

This procedure involves wearing a device, an external EKG, for up to 7 days to continuously monitor your heart rhythm. It helps detect irregularities that may not occur during a standard EKG. The device is non-invasive and safe.

16 services16 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

16 services11 patients

Nuclear medicine studies of blood flow in heart muscle at rest and with stress 78492

Nuclear medicine studies help visualize blood flow in your heart at rest and during stress. A small amount of radioactive substance is injected, which your heart absorbs. Images are then taken to assess your heart's health and function.

15 services15 patients

Insertion of tube in right heart chambers and coronary artery for diagnosis with review by radiologist 93456

This procedure involves placing a small tube into your right heart chambers and coronary artery. It helps in diagnosing heart conditions. A radiologist will review the images obtained for accurate results. It's a standard, safe process.

15 services15 patients

Rubidium rb-82, diagnostic, per study dose, up to 60 millicuries A9555

Rubidium Rb-82 is a radioactive drug used in a PET scan to help visualize the heart. It helps detect areas with poor blood flow, aiding in diagnosing heart conditions. The dose is up to 60 millicuries per study.

15 services15 patients

Injection, aminophyllin, up to 250 mg J0280

An aminophyllin injection is a treatment often used for severe asthma or other lung conditions. It helps to relax and open air passages in the lungs, making it easier to breathe. Up to 250 mg can be administered in one dose.

15 services15 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.

14 services13 patients

Heart rhythm review and interpretation of continous external ekg over 8-15 days 93248

This service involves wearing a device for 8-15 days that continuously records your heart's electrical activity. It helps in identifying irregular heart rhythms. The recorded data is then reviewed and interpreted by a healthcare professional for any abnormalities.

12 services12 patients

Hospital Affiliations CMS Care Compare 5

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

Aspirus Keweenaw Hospital And Clinics

Critical Access Hospitals · Laurium, MI

OwnershipVoluntary non-profit - Private

CMS Certification Number231319

Location205 OsceolaLaurium, MI 49913 · Houghton County

Emergency services Birthing friendly

Aspirus Stevens Point Hospital & Clinics, Inc.

Acute Care Hospitals · Stevens Point, WI

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number520002

Location900 Illinois AveStevens Point, WI 54481 · Portage County

Emergency services Birthing friendly

Aspirus Rhinelander Hospital

Acute Care Hospitals · Rhinelander, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520019

Location2251 North Shore DrRhinelander, WI 54501 · Oneida County

Emergency services Birthing friendly

Aspirus Wausau Hospital

Acute Care Hospitals · Wausau, WI

4/5 CMS rating

OwnershipProprietary

CMS Certification Number520030

Location333 Pine Ridge BlvdWausau, WI 54401 · Marathon County

Emergency services Birthing friendly

Aspirus Riverview Hospital & Clinics Inc

Acute Care Hospitals · Wisconsin Rapids, WI

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520033

Location410 Dewey StWisconsin Rapids, WI 54495 · Wood County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 54401 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

$123.69 typical visit price

range $53.90 – $163.24

Typical copayment $30.92 (range $13.47 – $40.81)

Most-billed visit code 99204

Established Patient

$95.41 typical visit price

range $17.40 – $133.76

Typical copayment $23.85 (range $4.35 – $33.44)

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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

100

Promoting Interoperability

100

Improvement Activities

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.

ASPIRUS MEDICAL GROUP, INC.

Internal Medicine (Cardiovascular Disease)

500 WIND RIDGE DR
WAUSAU, WI 54401

Marathon County (715) 847-2611

MARGARET LOUISE HUJET PA-C

Physician Assistant

500 WIND RIDGE DR, WAUSAU
WAUSAU, WI 54401

Marathon County (715) 847-2611

AUSTIN GILBERT NURSE PRACTITIONER

Nurse Practitioner (Primary Care)

500 WIND RIDGE DR
WAUSAU, WI 54401

Marathon County (715) 847-2611

KALI KANN MPAS PA-C

Physician Assistant

500 WIND RIDGE DR
WAUSAU, WI 54401

Marathon County (715) 847-2611

DR. TIMOTHY N LOGEMANN MD

Internal Medicine (Cardiovascular Disease)

500 WIND RIDGE DR
WAUSAU, WI 54401

Marathon County (715) 847-2611

MRS. MELISSA J WENDELL FNPC

Nurse Practitioner

500 WIND RIDGE DR
WAUSAU, WI 54401

Marathon County (715) 847-2611

RONNIE ORLANDO ORTIZ MD

Internal Medicine (Clinical Cardiac Electrophysiology)

500 WIND RIDGE DR
WAUSAU, WI 54401

Marathon County (715) 847-7611

MARCUS SUBLETTE M.D.

Internal Medicine (Interventional Cardiology)

500 WIND RIDGE DR
WAUSAU, WI 54401

Marathon County (715) 847-2611

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is German Larrain's NPI number?

The NPI number for German Larrain is 1508845090. It was assigned to this individual provider in the NPPES registry on January 12, 2006.

Where is German Larrain located?

German Larrain practices at 500 Wind Ridge Dr, Wausau, WI 54401. The listed phone number is (715) 847-2611.

What is German Larrain's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is German Larrain enrolled in Medicare?

Yes. German Larrain is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for German Larrain's services?

According to the CMS Revalidation Reassignment List (October 2026 release), German Larrain reassigns Medicare benefits to 8 organizations: Aspirus Medical Group, Inc. (Wausau, WI), Aspirus Medical Group, Inc. (Wausau, WI), Aspirus Wausau Hospital, Inc. (Wausau, WI), Aspirus Medford Hospital & Clinics, Inc. (Athens, WI), Aspirus Rhinelander & Tomahawk Hospitals & Clinics, Inc. (Wittenberg, WI) and 3 more organizations, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for German Larrain's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does German Larrain accept?

Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan, HealthPartners and Security Health Plan list German Larrain as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is German Larrain affiliated with any hospitals?

According to CMS data, German Larrain is affiliated with Aspirus Keweenaw Hospital And Clinics, Aspirus Stevens Point Hospital & Clinics, Inc., Aspirus Rhinelander Hospital, Aspirus Wausau Hospital and Aspirus Riverview Hospital & Clinics Inc.

When was this NPI record last updated?

The NPPES record for German Larrain was last updated on January 10, 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.