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DR. JEFFREY SADATO NEKOMOTO D.O.
NPI 1730113929
Internal Medicine in Chicago, IL

Active since July 11, 2006PECOS Enrolled
1725 W HARRISON ST, SUITE 774, CHICAGO, IL 60612(312) 942-6013(312) 829-2024 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Jeffrey Sadato Nekomoto D.o. NPPES

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

DR. JEFFREY SADATO NEKOMOTO D.O. (NPI 1730113929) is an individual internal medicine provider in Chicago, Illinois, licensed in Illinois (036107601) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1730113929
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JEFFREY SADATO NEKOMOTOCredential: D.O.
Location Address1725 W HARRISON ST, SUITE 774Chicago, IL 60612-3841
Mailing Address1730 Park St, Suite 101Naperville, IL 60563-2688 · (630) 718-0200 · Fax (630) 718-0900
Phone(312) 942-6013
Fax(312) 829-2024
Sole ProprietorNo
Enumeration DateJuly 11, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1730113929 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036107601
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.
1725 W HARRISON ST, Chicago, IL 60612
Open in Google Maps ↗

Other Identifiers 1

OtherLICENSEIL · 036107601

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jeffrey Sadato Nekomoto D.o. 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.

Medicare Billing Reassignment

Medicare enrollment records show Jeffrey Nekomoto reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

County Of Santa Clara
1,831 mi
Federally Qualified Health Center (FQHC)
7475 CAMINO ARROYO
Gilroy, CA 95020
  • Reassigned Medicare billing, California enrollment
  • Also billed through NPI 1629301346 (California), NPI 1043354020 (California)
  • 2,460 clinicians in this Medicare group
NPI 1922093533 (408) 885-5000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60612 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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.

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. MARTA BATUS MD
Internal Medicine (Medical Oncology)
1725 W HARRISON ST, SUITE 809
CHICAGO, IL 60612
Cook County (312) 563-2487
KM WILLIAMS MD SC
Clinic/Center (Ophthalmologic Surgery)
1725 W HARRISON ST, STE 910
CHICAGO, IL 60612
Cook County (312) 622-7320
KENNETH M BOYER M.D.
Pediatrics (Pediatric Infectious Diseases)
1725 W HARRISON ST, SUITE 710
CHICAGO, IL 60612
Cook County (312) 942-3034
RUSH UNIVERSITY MEDICAL CENTER
Internal Medicine (Hematology)
1725 W HARRISON ST, SUITE 1010
CHICAGO, IL 60612
Cook County (312) 942-5904
DAVID ANSELL M.D.
Internal Medicine
1725 W HARRISON ST, SUITE 263
CHICAGO, IL 60612
Cook County (312) 942-6700
MIDWEST NEUROPSYCHIATRIC ASSOC LTD
Specialist
1725 W HARRISON ST, SUITE 744
CHICAGO, IL 60612
Cook County (312) 942-0118
JANICE DIESCHBOURG M.D.
Radiology (Diagnostic Radiology)
1725 W HARRISON ST, SUITE 155
CHICAGO, IL 60612
Cook County (312) 563-3269
AFFILIATED UROLOGISTS, LTD
Specialist
1725 W HARRISON ST, SUITE 762
CHICAGO, IL 60612
Cook County (312) 563-3447

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 Jeffrey Nekomoto's NPI number?

The NPI number for Jeffrey Nekomoto is 1730113929. It was assigned to this individual provider in the NPPES registry on July 11, 2006.

Where is Jeffrey Nekomoto located?

Jeffrey Nekomoto practices at 1725 W Harrison St Suite 774, Chicago, IL 60612. The listed phone number is (312) 942-6013.

What is Jeffrey Nekomoto's specialty?

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

Is Jeffrey Nekomoto enrolled in Medicare?

Yes. Jeffrey Nekomoto is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Jeffrey Nekomoto's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jeffrey Nekomoto reassigns Medicare benefits to County Of Santa Clara (Gilroy, CA). The 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 Jeffrey Nekomoto's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jeffrey Nekomoto was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.