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JIM YAO M.D.
NPI 1427028968
Internal Medicine - Nephrology in Munster, IN

Active since January 26, 2006PECOS EnrolledAccepts Medicare Assignment
314 RIDGE RD, MUNSTER, IN 46321(219) 789-1169(219) 836-9364 Get Directions Write a Review

NPPES record last updated: November 22, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 22, 2024, Jun 26, 2024, Dec 29, 2021 and 1 more (4 updates tracked since 2019).

About Jim Yao M.d. NPPES

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

JIM YAO M.D. (NPI 1427028968) is an individual nephrology provider in Munster, Indiana, licensed in Indiana (01061528A) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Franciscan Health Dyer, and maintains a secondary practice location in Olympia Fields.

NPPES Registry Identity

NPI1427028968
Entity TypeIndividualMale
Primary Taxonomy207RN0300X
Provider Legal NameJIM YAOCredential: M.D.
Location Address314 RIDGE RDMunster, IN 46321-1528
Mailing Address210 S Desplaines StChicago, IL 60661-5500 · (312) 654-2700 · Fax (312) 654-9930
Phone(219) 789-1169
Fax(219) 836-9364
Sole ProprietorNo
Medical School CMSOtherGraduated 1988
Enumeration DateJanuary 26, 2006
Last NPPES UpdateNovember 22, 20244 updates tracked since enumeration
NPPES CertifiedNovember 22, 2024
✔ NPI 1427028968 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
License✔ Licensed in IN · 01061528A
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
314 RIDGE RD, Munster, IN 46321
Open in Google Maps ↗

Secondary Practice Location 1

Location 13700 W 203rd St Ste 201Olympia Fields, IL 60461-1182 · Phone (708) 952-3040

Other Identifiers 1

Medicaid036115173IL

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Ambetter Health of Delaware, Anthem Blue Cross and Blue Shield.Insurance ›

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

Jim Yao 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 ID7012988975
PECOS Enrollment IDI20060126000388, I20060410000315
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

2

Medicare enrollment records show Jim Yao reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Specialty Physicians Of Illinois, LLC
15 mi
Urgent Care
20180 S LAGRANGE RD
Frankfort, IL 60423
  • Reassigned Medicare billing, Illinois enrollment
  • 148 clinicians in this Medicare group
NPI 1962024612 (815) 464-2010
Associates In Nephrology, S.C.
23 mi
Nephrology
210 S DESPLAINES ST
Chicago, IL 60661
  • Reassigned Medicare billing, Illinois and Indiana enrollments
  • Medicare enrollment name: Associates In Nephrology Sc
  • 55 clinicians in this Medicare group
NPI 1184694259 (312) 654-2721

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 7

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.

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.
274 services83 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.
239 services80 patients
Dialysis services, 4 or more physician visits per month (20 years or older) 90960
Dialysis is a treatment that filters and purifies your blood using a machine. It helps keep your fluids and electrolytes in balance when the kidneys can't do their job. This service includes 4 or more visits per month with a physician to monitor your health and adjust your treatment as needed.
152 services20 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.
87 services29 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.
69 services60 patients
Home dialysis services per month (20 years or older) 90966
Home dialysis services provide kidney treatment for patients aged 20 or older right in their own homes. This service includes necessary equipment, supplies, and support for performing dialysis. It's a convenient option that allows patients to maintain their daily routines while receiving essential care.
50 services12 patients

Hospital Affiliations CMS Care Compare 3

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

Franciscan Health Dyer

Acute Care Hospitals · Dyer, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number150090
Location24 Joliet StDyer, IN 46311 · Lake County
Emergency services Birthing friendly

Community Hospital

Acute Care Hospitals · Munster, IN
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150125
Location901 Macarthur BlvdMunster, IN 46321 · Lake County
Emergency services Birthing friendly

Franciscan Health Munster

Acute Care Hospitals · Munster, IN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150165
Location701 Superior AveMunster, IN 46321 · Lake County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46321 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
$122.49 typical visit price
range $53.07 – $161.76
Typical copayment $30.62 (range $13.26 – $40.44)
Most-billed visit code 99204
Established Patient
$94.22 typical visit price
range $16.93 – $132.22
Typical copayment $23.55 (range $4.23 – $33.05)
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 2

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

FRESENIUS MEDICAL CARE CHICAGOLAND, LLC
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
314 RIDGE RD
MUNSTER, IN 46321
Lake County (219) 836-9317
NATIONAL MEDICAL CARE, INC.
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
314 RIDGE RD
MUNSTER, IN 46321
Lake County (219) 836-9317

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 Jim Yao's NPI number?

The NPI number for Jim Yao is 1427028968. It was assigned to this individual provider in the NPPES registry on January 26, 2006.

Where is Jim Yao located?

Jim Yao practices at 314 Ridge Rd, Munster, IN 46321. The listed phone number is (219) 789-1169.

What is Jim Yao's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Jim Yao enrolled in Medicare?

Yes. Jim Yao 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 Jim Yao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jim Yao reassigns Medicare benefits to 2 organizations: Specialty Physicians Of Illinois, LLC (Frankfort, IL) and Associates In Nephrology, S.C. (Chicago, IL). 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 Jim Yao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Jim Yao accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Anthem Blue Cross and Blue Shield list Jim Yao 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 Jim Yao affiliated with any hospitals?

According to CMS data, Jim Yao is affiliated with Franciscan Health Dyer, Community Hospital and Franciscan Health Munster.

When was this NPI record last updated?

The NPPES record for Jim Yao was last updated on November 22, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 months 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.