Quick answers
- Does Simon F. Feng accept Medicare assignment?
- Yes. Medicare's clinician data says Simon F. Feng accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Simon F. Feng see?
- In 2024, CMS data shows 97 Original Medicare patients and 746 services for Simon F. Feng. This counts Original Medicare only and measures volume, not quality.
- What is Simon F. Feng's NPI number?
- 1649274317. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Simon F. Feng, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 97 |
|---|---|
| Services billed to Medicare | 746 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 62 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)354 services
- Testing for presence of drug, by chemistry analyzers (80307)190 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)163 services
- Testing for presence of drug, read by direct observation (80305)27 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure63%
- Arthritis63%
- High cholesterol59%
- Anxiety53%
- Depression40%
- Diabetes33%
Practice locations
Addresses where Simon F. Feng is enrolled with Medicare (CMS data updated October 2, 2026).
- 821 N State Rd, Suite 135Greenwood, IN 46142 (317) 560‑4300
Group practices
Medicare enrollment lists Simon F. Feng as a member of this group (CMS data updated October 2, 2026).
- Opioid Management LLC4 clinicians in the group
Specialties
- Family Practiceprimary
- Pain Managementalso
Other family doctors in Greenwood
Clinicians with the same Medicare primary specialty in Greenwood, IN — not a recommendation.
Other clinicians in Opioid Management LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1984 (42 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649274317 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians