JAMES E WILLIS MD
NPI 1952389090
Internal Medicine - Cardiovascular Disease in Watertown, NY

Q: What is James Willis's NPI number?

The NPI number for James Willis is 1952389090. It was assigned to this individual provider in the NPPES registry on January 9, 2006.

Q: What is James Willis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for James Willis was last updated on May 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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 09, 2006PECOS EnrolledAccepts Medicare Assignment

19436 HOWELL DR, SUITE A, WATERTOWN, NY 13601(315) 786-2000(315) 786-2899 Get Directions Write a Review

NPPES record last updated: May 6, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About James E Willis Md NPPES

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

JAMES E WILLIS MD (NPI 1952389090) is an individual cardiovascular disease provider in Watertown, New York, licensed in New York (1570511) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Samaritan Medical Center, and is a graduate of Other (1978).

NPPES Registry Identity

NPI1952389090

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameJAMES E WILLISCredential: MD

Location Address19436 HOWELL DR, SUITE AWatertown, NY 13601-6459

Mailing Address19436 Howell Dr, Suite AWatertown, NY 13601-6459 · (315) 786-2000 · Fax (315) 786-2899

Phone(315) 786-2000

Fax(315) 786-2899

Sole ProprietorNo

Medical School CMSOtherGraduated 1978

Enumeration DateJanuary 9, 2006

Last NPPES UpdateMay 6, 2024

NPPES CertifiedMay 6, 2024

✔ NPI 1952389090 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in NY · 1570511

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

19436 HOWELL DR, Watertown, NY 13601

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Other Identifiers 1

Medicaid0071292NY

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

James E Willis 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 ID1052384112

PECOS Enrollment IDI20100813000001

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 James Willis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Samaritan Medical Center

1.2 mi

Rehabilitation Unit

830 WASHINGTON ST
Watertown, NY 13601

Reassigned Medicare billing, New York enrollment
183 clinicians in this Medicare group

NPI 1093722068 (315) 786-4800

Samaritan Medical Practice, PC

1.2 mi

Surgery

826 WASHINGTON ST
Watertown, NY 13601

Reassigned Medicare billing, New York enrollment
26 clinicians in this Medicare group

NPI 1124202619 (315) 788-1751

St Josephs Medical PC

58 mi

Family Medicine

5100 W TAFT RD
Liverpool, NY 13088

Reassigned Medicare billing, New York enrollment
625 clinicians in this Medicare group

NPI 1942501747 (315) 452-2828

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.

Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 93296

This procedure involves remotely monitoring your pacemaker or implantable defibrillator system. Over a 90-day period, we check the device's performance and your heart's activity. This helps ensure the device is functioning properly and providing the best possible support for your heart health.

470 services179 patients

Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 93294

This procedure evaluates your pacemaker system remotely for up to 90 days. It checks whether single, dual, multiple lead, or leadless pacemakers are working properly. It's a safe, convenient way to ensure your heart device is functioning optimally.

366 services138 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.

341 services211 patients

Evaluation of cardiac rhythm monitor system, remote up to 30 days 93298

This procedure involves remotely monitoring your heart rhythm for up to 30 days. A small device will record your heart's activity, which can be accessed by your healthcare team. This aids in diagnosing any irregularities or issues with your heart function.

209 services30 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.

182 services134 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.

165 services120 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.

130 services96 patients

Nuclear medicine studies of blood flow in heart muscle at rest and with stress with concurrent ct scan 78431

This is a diagnostic test where a tiny amount of radioactive material is used to examine your heart's blood flow at rest & during stress, alongside a CT scan for detailed images. It helps identify any heart-related issues like blockages or damage.

128 services128 patients

Nuclear medicine study of heart muscle blood flow by pet 78434

A nuclear medicine study of heart muscle blood flow by PET is a non-invasive test that uses a small amount of radioactive substance to create detailed images of your heart's blood flow and function. It helps assess heart health and diagnose heart conditions.

127 services127 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.

126 services126 patients

Evaluation of single, dual, or multiple lead implantable defibrillator system, remote up to 90 days 93295

This procedure involves remotely monitoring your implantable defibrillator system, which can have single, dual, or multiple leads. Over a period of up to 90 days, the system's performance is evaluated to ensure it's working properly and providing the necessary heart rhythm support.

111 services45 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.

94 services90 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.

50 services50 patients

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.

34 services13 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.

22 services22 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.

22 services22 patients

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

18 services18 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

14 services14 patients

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

14 services14 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 93015

An exercise or drug-induced heart stress test with ECG is a procedure performed by a doctor to assess how your heart responds to exertion. It involves monitoring your heart's electrical activity while you exercise or after medication is given to mimic exercise effects.

12 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Samaritan Medical Center

Acute Care Hospitals · Watertown, NY

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330157

Location830 Washington StreetWatertown, NY 13601 · Jefferson County

Emergency services Birthing friendly

Canton-Potsdam Hospital

Acute Care Hospitals · Potsdam, NY

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number330197

Location50 Leroy StreetPotsdam, NY 13676 · St. Lawrence County

Emergency services Birthing friendly

University Hospital S U N Y Health Science Center

Acute Care Hospitals · Syracuse, NY

3/5 CMS rating

OwnershipGovernment - State

CMS Certification Number330241

Location750 East Adams StreetSyracuse, NY 13210 · Onondaga County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 13601 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

$126.40 typical visit price

range $54.87 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$68.57 typical visit price

range $17.54 – $136.14

Typical copayment $17.14 (range $4.38 – $34.03)

Most-billed visit code 99213

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.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390

DME-Oxygen and Supplies · category DC002N

3 suppliers50 claims50 services$90.37 avg. paid by Medicare

Portable oxygen concentrator, rental E1392

DME-Oxygen and Supplies · category DC002N

1 supplier12 claims12 services$38.23 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 3

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

CASSANDRA LYNN CHASE

Physician Assistant (Medical)

19436 HOWELL DR
WATERTOWN, NY 13601

Jefferson County (315) 111-1111

MS. KATE ELIZABETH SYMENOW RPA C

Physician Assistant

19436 HOWELL DR, SUITE A
WATERTOWN, NY 13601

Jefferson County (315) 786-2000

DAVID H ANTECOL MD

Internal Medicine (Cardiovascular Disease)

19436 HOWELL DR, SUITE A
WATERTOWN, NY 13601

Jefferson County (315) 786-2000

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 James Willis's NPI number?

The NPI number for James Willis is 1952389090. It was assigned to this individual provider in the NPPES registry on January 9, 2006.

Where is James Willis located?

James Willis practices at 19436 Howell Dr Suite A, Watertown, NY 13601. The listed phone number is (315) 786-2000.

What is James Willis's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is James Willis enrolled in Medicare?

Yes. James Willis 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 James Willis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), James Willis reassigns Medicare benefits to 3 organizations: Samaritan Medical Center (Watertown, NY), Samaritan Medical Practice, PC (Watertown, NY) and St Josephs Medical PC (Liverpool, NY). 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 James Willis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is James Willis affiliated with any hospitals?

According to CMS data, James Willis is affiliated with Samaritan Medical Center, Canton-Potsdam Hospital and University Hospital S U N Y Health Science Center.

When was this NPI record last updated?

The NPPES record for James Willis was last updated on May 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.