Quick answers
- Does Ihn Y. Whang accept Medicare assignment?
- Yes. Medicare's clinician data says Ihn Y. Whang 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 Ihn Y. Whang see?
- In 2024, CMS data shows 291 Original Medicare patients and 297 services for Ihn Y. Whang. This counts Original Medicare only and measures volume, not quality.
- What is Ihn Y. Whang's NPI number?
- 1235137787. 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 Ihn Y. Whang, 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 | 291 |
|---|---|
| Services billed to Medicare | 297 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Anesthesia for other procedure on large bowel using an endoscope (00811)111 services
- Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (00731)58 services
- Anesthesia for exam of colon using an endoscope (00812)53 services
- Anesthesia for procedure on small and large bowel using an endoscope (00813)29 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 pressure75%
- High cholesterol75%
- Arthritis48%
- Diabetes29%
- Ischemic heart disease29%
- Anxiety25%
Hospitals where Ihn Y. Whang works
Medicare's Facility Affiliation Data lists Ihn Y. Whang at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Bergen New Bridge Medical CenterParamus, NJ · Acute Care Hospital · Emergency services: listed by Medicare · CCN 310058
Practice locations
Addresses where Ihn Y. Whang is enrolled with Medicare (CMS data updated October 2, 2026).
- 230 E Ridegewood AveParamus, NJ 07652 (201) 967‑4000
Group practices
Medicare enrollment lists Ihn Y. Whang as a member of this group (CMS data updated October 2, 2026).
- Parkway Anesthesia Associates LLC311 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Paramus
Clinicians with the same Medicare primary specialty in Paramus, NJ — not a recommendation.
Other clinicians in Parkway Anesthesia Associates LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1992 (34 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1235137787 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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