Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JENNIFER BRATTLAND OTA MD
NPI 1891779146
Internal Medicine in Great Lakes, IL

Q: What is Jennifer Ota's NPI number?

The NPI number for Jennifer Ota is 1891779146. It was assigned to this individual provider in the NPPES registry on November 30, 2005.

Q: What is Jennifer Ota's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Q: When was this NPI record last updated?

The NPPES record for Jennifer Ota was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days 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 November 30, 2005PECOS Enrolled

3001A SIXTH ST, INTERNAL MEDICINE CLINIC, GREAT LAKES, IL 60088(847) 688-4560(847) 688-2678 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Dr. Jennifer Brattland Ota Md NPPES

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

DR. JENNIFER BRATTLAND OTA MD (NPI 1891779146) is an individual internal medicine provider in Great Lakes, Illinois and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891779146

Entity TypeIndividualFemale

Primary Taxonomy207R00000X

Provider Legal NameDR. JENNIFER BRATTLAND OTACredential: MD

Location Address3001A SIXTH ST, INTERNAL MEDICINE CLINICGreat Lakes, IL 60088-5230

Mailing Address3001a Sixth Street, Naval HospitalGreat Lakes, IL 60088-2833 · (847) 688-4560 · Fax (847) 688-2678

Phone(847) 688-4560

Fax(847) 688-2678

Sole ProprietorNo

Enumeration DateNovember 30, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1891779146 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

3001A SIXTH ST, Great Lakes, IL 60088

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jennifer Brattland Ota Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60088 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

$137.43 typical visit price

range $59.81 – $181.38

Typical copayment $34.35 (range $14.95 – $45.34)

Most-billed visit code 99204

Established Patient

$105.07 typical visit price

range $19.15 – $147.12

Typical copayment $26.26 (range $4.78 – $36.78)

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.

Ostomy skin barrier, solid 4 x 4 or equivalent, extended wear, without built-in convexity, each A4385

DME-Orthotic Devices · category DF010N

1 supplier12 claims240 services$4.92 avg. paid by Medicare

Ostomy pouch, closed; for use on barrier with non-locking flange, with filter (2 piece), each A4419

DME-Orthotic Devices · category DF010N

1 supplier12 claims720 services$1.67 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 5

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

DR. JAMES WILLIAM CONWAY DDS, MSD

Dentist (Periodontics)

3001A SIXTH ST
GREAT LAKES, IL 60088

Lake County (847) 688-3331

DR. JOHN SCHROER DDS

Dentist (General Practice)

3001A SIXTH ST, NAVAL HOSPITAL GREAT LAKES
GREAT LAKES, IL 60088

Lake County (847) 688-2100

DR. CHARLES WILLIAM PADDOCK III D.D.S.

Dentist (General Practice)

3001A SIXTH ST
GREAT LAKES, IL 60088

Lake County (847) 688-3331

DR. SCOTT HOCKER DDS

Dentist

3001A SIXTH ST, BLDG. 1017 USS OSBORNE
GREAT LAKES, IL 60088

Lake County (847) 688-2100

MR. CLIFFORD LOREN MOUDY II I.D.C.

Military Health Care Provider (Independent Duty Corpsman)

3001A SIXTH ST, NAVAL HOSPITAL GREAT LAKES
GREAT LAKES, IL 60088

Lake County (847) 688-2616

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 Jennifer Ota's NPI number?

The NPI number for Jennifer Ota is 1891779146. It was assigned to this individual provider in the NPPES registry on November 30, 2005.

Where is Jennifer Ota located?

Jennifer Ota practices at 3001A Sixth St Internal Medicine Clinic, Great Lakes, IL 60088. The listed phone number is (847) 688-4560.

What is Jennifer Ota's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Jennifer Ota enrolled in Medicare?

Yes. Jennifer Ota is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Jennifer Ota was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days 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.