DR. JESSICA DELOIS WILLIAMS M.D.
NPI 1366769747
Internal Medicine - Cardiovascular Disease in Kalamazoo, MI

Active since April 26, 2010PECOS EnrolledAccepts Medicare Assignment
1722 SHAFFER ST, KALAMAZOO, MI 49048(269) 381-3963 Get Directions Write a Review

NPPES record last updated: September 15, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 15, 2020, Mar 17, 2018, Mar 5, 2018 and 2 more (5 updates tracked since 2016).

About Dr. Jessica Delois Williams M.d. NPPES

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

DR. JESSICA DELOIS WILLIAMS M.D. (NPI 1366769747) is an individual cardiovascular disease provider in Kalamazoo, Michigan, licensed in Indiana (01079951A) and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS, is affiliated with Northwest Health-la Porte, and maintains 3 additional practice locations.

NPPES Registry Identity

NPI1366769747
Entity TypeIndividualFemale
Primary Taxonomy207RC0000X
Provider Legal NameDR. JESSICA DELOIS WILLIAMSCredential: M.D.
Location Address1722 SHAFFER STKalamazoo, MI 49048-1633
Mailing Address2022 Kelle DrChesterton, IN 46304-8708 · (219) 364-3616 · Fax (219) 364-3610
Sole ProprietorNo
Medical School CMSUniversity Of Louisville School Of MedicineGraduated 2010
Enumeration DateApril 26, 2010
Last NPPES UpdateSeptember 15, 20205 updates tracked since enumeration
NPPES CertifiedSeptember 15, 2020
NPI 1366769747 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
Licenses Licensed in IN · 01079951A Licensed in MI · 4301110960
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.
1722 SHAFFER ST, Kalamazoo, MI 49048

Secondary Practice Locations 3

Location 185 E US Highway 6 Ste 300Valparaiso, IN 46383-8948 · Phone (219) 983-6300 · Fax (219) 983-6080
Location 22000 Roosevelt Rd Ste 205Valparaiso, IN 46383-2802 · Phone (219) 263-7600 · Fax (219) 263-7659
Location 33630 Willowcreek Rd Ste 1Portage, IN 46368-5075 · Phone (219) 364-3062 · Fax (219) 364-3229

Accepted 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. Jessica Delois Williams M.d. 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 ID3072755610
PECOS Enrollment IDI20180410002392
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 18

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.

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.
893 services570 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.
330 services224 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.
245 services239 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.
133 services57 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.
111 services107 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.
100 services66 patients

Hospital Affiliations CMS Care Compare 5

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

Northwest Health-La Porte

Acute Care Hospitals · La Porte, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150006
Location1331 State StreetLa Porte, IN 46350 · La Porte County
Emergency services Birthing friendly

Franciscan Health Michigan City

Acute Care Hospitals · Michigan City, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number150015
Location3500 Franciscan WayMichigan City, IN 46360 · La Porte County
Emergency services Birthing friendly

Lutheran Hospital Of Indiana

Acute Care Hospitals · Fort Wayne, IN
3/5 CMS rating
OwnershipProprietary
CMS Certification Number150017
Location7950 W Jefferson BlvdFort Wayne, IN 46804 · Allen County
Emergency services Birthing friendly

Northwest Health - Porter

Acute Care Hospitals · Valparaiso, IN
3/5 CMS rating
OwnershipProprietary
CMS Certification Number150035
Location85 East Us Hwy 6Valparaiso, IN 46383 · Porter County
Emergency services Birthing friendly

Northwest Health - Starke

Acute Care Hospitals · Knox, IN
OwnershipProprietary
CMS Certification Number150102
Location102 E Culver RdKnox, IN 46534 · Starke County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49048 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.

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.

Psychologist
1722 SHAFFER ST
KALAMAZOO, MI 49048
Internal Medicine (Cardiovascular Disease)
1722 SHAFFER ST, SUITE 1
KALAMAZOO, MI 49048
Internal Medicine (Cardiovascular Disease)
1722 SHAFFER ST
KALAMAZOO, MI 49048
Psychiatry & Neurology (Psychiatry)
1722 SHAFFER ST, SUITE #3
KALAMAZOO, MI 49048
Internal Medicine (Cardiovascular Disease)
1722 SHAFFER ST, SUITE 1
KALAMAZOO, MI 49048
Psychiatry & Neurology (Psychiatry)
1722 SHAFFER ST, STE 3
KALAMAZOO, MI 49048
Marriage & Family Therapist
1722 SHAFFER ST
KALAMAZOO, MI 49048
Internal Medicine (Interventional Cardiology)
1722 SHAFFER ST, SUITE 1
KALAMAZOO, MI 49048

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 Jessica Williams's NPI number?

The NPI number for Jessica Williams is 1366769747. It was assigned to this individual provider in the NPPES registry on April 26, 2010.

Where is Jessica Williams located?

Jessica Williams practices at 1722 Shaffer St, Kalamazoo, MI 49048. The listed phone number is (269) 381-3963.

What is Jessica Williams's specialty?

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

Is Jessica Williams enrolled in Medicare?

Yes. Jessica 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 Jessica Williams accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and Anthem Blue Cross and Blue Shield list Jessica 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 Jessica Williams affiliated with any hospitals?

According to CMS data, Jessica Williams is affiliated with Northwest Health-La Porte, Franciscan Health Michigan City, Lutheran Hospital Of Indiana, Northwest Health - Porter and Northwest Health - Starke.

When was this NPI record last updated?

The NPPES record for Jessica Williams was last updated on September 15, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.