DR. ROBERT A WILLIAMS D.O.
NPI 1730109778
Internal Medicine - Cardiovascular Disease in Kalamazoo, MI

Q: What is Robert Williams's NPI number?

The NPI number for Robert Williams is 1730109778. It was assigned to this individual provider in the NPPES registry on July 20, 2006.

Q: What is Robert Williams'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 Robert Williams was last updated on November 27, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since July 20, 2006PECOS EnrolledAccepts Medicare Assignment

86.2/100

CMS Quality Rating

601 JOHN ST, STE 100, KALAMAZOO, MI 49007(269) 373-1592(269) 373-6270 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

On this page

About Dr. Robert A Williams D.o. NPPES

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

DR. ROBERT A WILLIAMS D.O. (NPI 1730109778) is an individual cardiovascular disease provider in Kalamazoo, Michigan, licensed in Michigan (5101012289) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Bronson Methodist Hospital, and is a graduate of Michigan State University College Of Osteopathic Medicine (1994).

NPPES Registry Identity

NPI1730109778

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameDR. ROBERT A WILLIAMSCredential: D.O.

Location Address601 JOHN ST, STE 100Kalamazoo, MI 49007-5341

Mailing Address601 John St, Box 42Kalamazoo, MI 49007-5341 · (269) 373-1592 · Fax (269) 373-6270

Phone(269) 373-1592

Fax(269) 373-6270

Sole ProprietorNo

Medical School CMSMichigan State University College Of Osteopathic MedicineGraduated 1994

Enumeration DateJuly 20, 2006

Last NPPES UpdateNovember 27, 2023

NPPES CertifiedSeptember 25, 2020

✔ NPI 1730109778 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 MI · 5101012289

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.

601 JOHN ST, Kalamazoo, MI 49007

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Other Identifiers 3

Medicaid1730109778MI

Other0C97618MI · Blue Cross Blue Shield

Other1417961137MI · Bcbsm - Bronson

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Robert A Williams D.o. 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 ID2668492430

PECOS Enrollment IDI20051123000351

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.

Areas of Expertise CMS Part B claims 26

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.

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.

495 services396 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.

337 services336 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.

331 services272 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.

235 services234 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.

206 services206 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.

122 services115 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.

78 services34 patients

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.

78 services34 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

66 services44 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

62 services59 patients

Programming of dual lead pacemaker system 93280

Programming of a dual lead pacemaker system is a procedure to adjust your heart's pacemaker settings. This process involves a small device, called a programmer, that communicates with your pacemaker to ensure it's working optimally for your heart's needs.

60 services42 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

47 services47 patients

External shock to heart to regulate heart beat 92960

This procedure, known as cardioversion, uses an external electrical shock to restore your heart's normal rhythm. It's typically performed when irregular heartbeats, or arrhythmias, are causing severe symptoms and aren't responding to medications.

36 services35 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

35 services31 patients

Ultrasound of heart blood flow, valves and chambers 93320

An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.

32 services32 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.

32 services32 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.

29 services29 patients

Ultrasound of heart blood flow, valves and chambers, follow-up 93321

This procedure, an echocardiogram, uses sound waves to create images of your heart. It aids in assessing your heart's blood flow, chambers, and valves. It's a follow-up procedure, ensuring that your heart is functioning properly post-treatment.

19 services15 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

19 services19 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.

19 services18 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.

17 services17 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.

16 services16 patients

3d radiographic procedure 76376

A 3D radiographic procedure is a non-invasive imaging test that helps doctors visualize the internal structures of your body in three dimensions. This advanced technology provides detailed images, aiding in accurate diagnosis and treatment planning. It involves exposure to minimal radiation.

14 services14 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.

13 services13 patients

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

12 services12 patients

Ultrasound of heart with probe in esophagus during surgery on heart or great blood vessels with report 93355

This procedure, known as a transesophageal echocardiogram, involves placing a probe in your esophagus to capture detailed images of your heart during surgery. It helps surgeons monitor heart function and guide treatment. A report will follow.

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.

Bronson Methodist Hospital

Acute Care Hospitals · Kalamazoo, MI

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number230017

Location601 John StreetKalamazoo, MI 49007 · Kalamazoo County

Emergency services Birthing friendly

Bronson Battle Creek Hospital

Acute Care Hospitals · Battle Creek, MI

4/5 CMS rating

OwnershipProprietary

CMS Certification Number230075

Location300 North AvenueBattle Creek, MI 49017 · Calhoun County

Emergency services Birthing friendly

Bronson South Haven Hospital

Acute Care Hospitals · South Haven, MI

OwnershipGovernment - Hospital District or Authority

CMS Certification Number230085

Location955 S Bailey AveSouth Haven, MI 49090 · Van Buren County

Emergency services

Borgess Medical Center

Acute Care Hospitals · Kalamazoo, MI

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number230117

Location1521 Gull RoadKalamazoo, MI 49048 · Kalamazoo County

Emergency services Birthing friendly

Bronson Lakeview Hospital

Critical Access Hospitals · Paw Paw, MI

OwnershipVoluntary non-profit - Private

CMS Certification Number231332

Location408 Hazen StreetPaw Paw, MI 49079 · Van Buren County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49007 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

$126.15 typical visit price

range $54.34 – $166.68

Typical copayment $31.53 (range $13.58 – $41.67)

Most-billed visit code 99204

Established Patient

$68.07 typical visit price

range $17.09 – $135.40

Typical copayment $17.01 (range $4.27 – $33.85)

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.

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.

86.2/100

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

Scored as part of a group practice

Quality

98.28

Promoting Interoperability

100

Improvement Activities

Cost

47.83

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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. AMANDA KEATING WALKER D.O.

Obstetrics & Gynecology

601 JOHN ST, SUITE N1200
KALAMAZOO, MI 49007

Kalamazoo County (269) 341-7979

ANDREW W. WALKER MD

Emergency Medicine

601 JOHN ST
KALAMAZOO, MI 49007

Kalamazoo County (847) 404-6853

JUSTINE MELODIE OUDSEMA PA-C

Physician Assistant

601 JOHN ST, BOX 74
KALAMAZOO, MI 49007

Kalamazoo County (269) 341-8481

OCHUKO ANDREW OGHOR CRNA

Nurse Anesthetist, Certified Registered

601 JOHN ST
KALAMAZOO, MI 49007

Kalamazoo County (239) 341-7654

MARK J TIESZEN MD

Internal Medicine (Critical Care Medicine)

601 JOHN ST, SUITE M-510
KALAMAZOO, MI 49007

Kalamazoo County (269) 341-7762

DR. ERIC S SHAY M.D.

Internal Medicine

601 JOHN ST, SUITE M-170
KALAMAZOO, MI 49007

Kalamazoo County (269) 381-5060

EVGENIIA MORLEY RD

Dietitian, Registered

601 JOHN ST
KALAMAROO, MI 49007

Kalamazoo County (269) 341-6615

SELECT HOSPITALISTS, PLLC

Internal Medicine

601 JOHN ST
KALAMAZOO, MI 49007

Kalamazoo County (269) 341-7100

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 Robert Williams's NPI number?

The NPI number for Robert Williams is 1730109778. It was assigned to this individual provider in the NPPES registry on July 20, 2006.

Where is Robert Williams located?

Robert Williams practices at 601 John St Ste 100, Kalamazoo, MI 49007. The listed phone number is (269) 373-1592.

What is Robert Williams's specialty?

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

Is Robert Williams enrolled in Medicare?

Yes. Robert Williams 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.

What insurance does Robert Williams accept?

Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Priority Health and UnitedHealthcare list Robert Williams 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 Robert Williams affiliated with any hospitals?

According to CMS data, Robert Williams is affiliated with Bronson Methodist Hospital, Bronson Battle Creek Hospital, Bronson South Haven Hospital, Borgess Medical Center and Bronson Lakeview Hospital.

When was this NPI record last updated?

The NPPES record for Robert Williams was last updated on November 27, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.