Michael Sim, M.D.
NPI 1730408493 · Otolaryngology Physician · Indianapolis, IN
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Sim, M.D. is a Otolaryngology Physician provider in Indianapolis, IN (NPI 1730408493).
Provider details
- NPI number
- 1730408493
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- MD52479 (TN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
16 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
404 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 131 | $90 |
| Diagnostic Exam of Voice Box Using a Flexible Endoscope31575 | 96 | $61 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 80 | $167 |
| Removal of Lymph Nodes, Muscle, and Tissue of Neck38724 | 41 | $1,241 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 17 | $127 |
| Tying of External Neck Artery37600 | 15 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$68 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-05-20
- Last updated
- 2020-11-16
- Certified
- 2020-11-16
Frequently asked questions
- What is Michael Sim's NPI number?
- Michael Sim's National Provider Identifier (NPI) is 1730408493, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Sim's specialty?
- Michael Sim is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Sim located?
- Michael Sim's practice location on file with NPPES is 550 University Blvd Ste 3170, Indianapolis, IN 46202-5149.
- What is Michael Sim's phone number?
- The practice phone number listed in the NPPES registry for Michael Sim is (317) 944-7057.
- Does Michael Sim accept Medicare?
- Michael Sim is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Sim's NPI active?
- Yes — Michael Sim's NPI (1730408493) is active in the NPPES registry as of the last update on 2020-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.