Quick answers
- Does Charanjeet Singh accept Medicare assignment?
- Yes. Medicare's clinician data says Charanjeet Singh 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 Charanjeet Singh see?
- In 2024, CMS data shows 106 Original Medicare patients and 302 services for Charanjeet Singh. This counts Original Medicare only and measures volume, not quality.
- What is Charanjeet Singh's NPI number?
- 1891109542. 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 Charanjeet Singh, 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 | 106 |
|---|---|
| Services billed to Medicare | 302 |
| Different services or procedures | 7 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)198 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)45 services
- Hospital discharge day management, more than 30 minutes (99239)44 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%
- Heart failure49%
- Diabetes42%
- Arthritis42%
- Chronic kidney disease42%
Hospitals where Charanjeet Singh works
Medicare's Facility Affiliation Data lists Charanjeet Singh 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.
- Aspirus Eagle River HospitalEagle River, WI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 521300
- Aspirus Ironwood HospitalIronwood, MI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 231333
- Aspirus Rhinelander HospitalRhinelander, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520019
- Aspirus Wausau HospitalWausau, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520030
- Howard Young Medical CenterWoodruff, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520091
Practice locations
Addresses where Charanjeet Singh is enrolled with Medicare (CMS data updated October 2, 2026).
- 2251 N Shore DrRhinelander, WI 54501 (715) 361‑2000
- 2251 N Shore Dr, Suite 100Rhinelander, WI 54501
- 240 Maple StWoodruff, WI 54568 (715) 356‑8000
Group practices
Medicare enrollment lists Charanjeet Singh as a member of these groups (CMS data updated October 2, 2026).
- Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.574 clinicians in the group
- Howard Young Medical Center Inc of Woodruff Wisconsin56 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Rhinelander
Clinicians with the same Medicare primary specialty in Rhinelander, WI — not a recommendation.
Other clinicians in Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Philadelphia College Of Osteopathic Medicine |
| Graduation year | 2014 (12 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1891109542 |
| 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