1. Home
  2. Directory
  3. Indiana
  4. Polis
  5. Otolaryngology
  6. NPI Profile

MICHAEL SIM M.D.
NPI 1730408493
Otolaryngology in Indianapolis, IN

Active since May 20, 2010PECOS EnrolledAccepts Medicare Assignment
550 UNIVERSITY BLVD STE 3170, INDIANAPOLIS, IN 46202(317) 944-7057(317) 944-2443 Get Directions Write a Review

NPPES record last updated: November 16, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Michael Sim M.d. NPPES

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

MICHAEL SIM M.D. (NPI 1730408493) is an individual otolaryngology provider in Indianapolis, Indiana, licensed in Tennessee (MD52479) and active in the NPI registry since May 2010. He is enrolled in Medicare PECOS, is affiliated with Indiana University Health, and is a graduate of Loma Linda University School Of Medicine (2010).

NPPES Registry Identity

NPI1730408493
Entity TypeIndividualMale
Primary Taxonomy207Y00000X
Provider Legal NameMICHAEL SIMCredential: M.D.
Location Address550 UNIVERSITY BLVD STE 3170Indianapolis, IN 46202-5149
Mailing Address250 N Shadeland AveIndianapolis, IN 46219-4959
Phone(317) 944-7057
Fax(317) 944-2443
Sole ProprietorNo
Medical School CMSLoma Linda University School Of MedicineGraduated 2010
Enumeration DateMay 20, 2010
Last NPPES UpdateNovember 16, 2020
NPPES CertifiedNovember 16, 2020
✔ NPI 1730408493 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License✔ Licensed in TN · MD52479
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
550 UNIVERSITY BLVD STE 3170, Indianapolis, IN 46202
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.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

Michael Sim 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 ID7719299528
PECOS Enrollment IDI20160921000866
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 Michael Sim reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

University Otolaryngology Associates, Inc.
0.2 mi
Otolaryngology
705 RILEY HOSPITAL DR, SUITE 0860
Indianapolis, IN 46202
  • Reassigned Medicare billing, Indiana enrollment
  • 62 clinicians in this Medicare group
NPI 1275563447 (317) 630-8970
Iu Health Medical Group, LLC
1.2 mi
General Practice
1701 N SENATE BLVD
Indianapolis, IN 46202
  • Reassigned Medicare billing, Indiana enrollment
  • 5,212 clinicians in this Medicare group
NPI 1326893777 (317) 962-2000

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.

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.
131 services95 patients
Diagnostic exam of voice box using a flexible endoscope 31575
This procedure involves a doctor examining your voice box using a flexible endoscope, a thin tube with a light and camera. It's inserted through your nose or mouth to visualize your throat area. It helps detect any abnormalities in your voice box, ensuring optimal vocal health.
96 services77 patients
New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more 99205
This is a first-time patient visit where a healthcare professional spends 60-74 minutes with you. It involves a comprehensive evaluation, including your medical history and current health condition. They'll also advise on preventive health measures and formulate a treatment plan if needed.
80 services80 patients
Removal of lymph nodes, muscle, and tissue of neck 38724
This procedure, known as a neck dissection, involves removing lymph nodes, muscle, and tissue from the neck. It's performed to treat or prevent the spread of disease, often cancer. It's a major surgery, but it can help ensure your health and recovery.
41 services41 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
17 services16 patients
Tying of external neck artery 37600
"Tying of the external neck artery" is a surgical procedure performed to restrict blood flow to a particular area of the neck. This may be necessary to prevent bleeding, treat an aneurysm, or manage other vascular conditions. The procedure is conducted under anesthesia.
15 services15 patients

Hospital Affiliations CMS Care Compare 5

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

Indiana University Health

Acute Care Hospitals · Indianapolis, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150056
Location1701 N Senate BlvdIndianapolis, IN 46202 · Marion County
Emergency services Birthing friendly

Indiana University Health Ball Memorial Hospital

Acute Care Hospitals · Muncie, IN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150089
Location2401 University AveMuncie, IN 47303 · Delaware County
Emergency services Birthing friendly

Indiana University Health North Hospital

Acute Care Hospitals · Carmel, IN
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150161
Location11700 N Meridian StCarmel, IN 46032 · Hamilton County
Emergency services Birthing friendly

Indiana University Health Arnett Hospital

Acute Care Hospitals · Lafayette, IN
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number150173
Location5165 Mccarty LnLafayette, IN 47905 · Tippecanoe County
Emergency services Birthing friendly

Indiana University Health Jay, Inc.

Critical Access Hospitals · Portland, IN
OwnershipGovernment - Local
CMS Certification Number151320
Location500 W Votaw StPortland, IN 47371 · Jay County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 46202 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
$66.48 typical visit price
range $16.93 – $132.22
Typical copayment $16.62 (range $4.23 – $33.05)
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.

Referred Medical Equipment & Supplies CMS DME claims 8

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Filter holder and integrated filter without adhesive, for use in a tracheostoma heat and moisture exchange system, each A7507
DME-Orthotic Devices · category DF000N
1 supplier56 claims7,530 services$2.35 avg. paid by Medicare
Housing and integrated adhesive, for use in a tracheostoma heat and moisture exchange system and/or with a tracheostoma valve, each A7508
DME-Orthotic Devices · category DF000N
2 suppliers24 claims1,977 services$2.67 avg. paid by Medicare
Tracheostomy/laryngectomy tube, non-cuffed, polyvinylchloride (pvc), silicone or equal, each A7520
DME-Orthotic Devices · category DF000N
3 suppliers34 claims34 services$42.13 avg. paid by Medicare
Tracheostomy tube collar/holder, each A7526
DME-Orthotic Devices · category DF000N
4 suppliers27 claims547 services$3.26 avg. paid by Medicare
Enteral feeding supply kit; syringe fed, per day, includes but not limited to feeding/flushing syringe, administration set tubing, dressings, tape B4034
Other-Enteral and Parenteral · category OB006N
5 suppliers64 claims1,762 services$3.28 avg. paid by Medicare
Enteral formula, nutritionally complete with intact nutrients, includes proteins, fats, carbohydrates, vitamins and minerals, may include fiber, administered through an enteral feeding tube, 100 calories = 1 unit B4150
Other-Enteral and Parenteral · category OB006N
2 suppliers37 claims21,420 services$0.36 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 4

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

JESSICA A. YESENSKY M.D.
Otolaryngology
550 UNIVERSITY BLVD STE 3170
INDIANAPOLIS, IN 46202
Marion County (317) 948-3226
JONATHAN TING M.D.
Otolaryngology
550 UNIVERSITY BLVD STE 3170
INDIANAPOLIS, IN 46202
Marion County (317) 948-3226
DR. ABIDEEN OLAYINKA YEKINNI M.D.
Specialist
550 UNIVERSITY BLVD STE 3170
INDIANAPOLIS, IN 46202
Marion County (317) 948-3226
ALEXANDER DIMITRI KARABACHEV MD
Otolaryngology
550 UNIVERSITY BLVD STE 3170
INDIANAPOLIS, IN 46202
Marion County (317) 944-6467

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 Michael Sim's NPI number?

The NPI number for Michael Sim is 1730408493. It was assigned to this individual provider in the NPPES registry on May 20, 2010.

Where is Michael Sim located?

Michael Sim practices at 550 University Blvd Ste 3170, Indianapolis, IN 46202. The listed phone number is (317) 944-7057.

What is Michael Sim's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Michael Sim enrolled in Medicare?

Yes. Michael Sim 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 Michael Sim's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Sim reassigns Medicare benefits to 2 organizations: University Otolaryngology Associates, Inc. (Indianapolis, IN) and Iu Health Medical Group, LLC (Indianapolis, IN). 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 Michael Sim's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Sim accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 2 other insurers list Michael Sim 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 Michael Sim affiliated with any hospitals?

According to CMS data, Michael Sim is affiliated with Indiana University Health, Indiana University Health Ball Memorial Hospital, Indiana University Health North Hospital, Indiana University Health Arnett Hospital and Indiana University Health Jay, Inc..

When was this NPI record last updated?

The NPPES record for Michael Sim was last updated on November 16, 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.