Quick answers
- Does Sonali P. Majmudar accept Medicare assignment?
- Yes. Medicare's clinician data says Sonali P. Majmudar 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 Sonali P. Majmudar see?
- In 2024, CMS data shows 167 Original Medicare patients and 11,563 services for Sonali P. Majmudar. This counts Original Medicare only and measures volume, not quality.
- What is Sonali P. Majmudar's NPI number?
- 1528164118. 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 Sonali P. Majmudar, 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 | 167 |
|---|---|
| Services billed to Medicare | 11,563 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Professional service for preparation and provision of 1 or more antigens (95165)4,712 services
- Test for allergy using allergenic extract (95004)4,232 services
- Professional service for multiple injections of allergen (95117)2,129 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)217 services
- New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)55 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 cholesterol75%
- High blood pressure64%
- Arthritis52%
- Depression31%
- Anxiety26%
- Asthma26%
Hospitals where Sonali P. Majmudar works
Medicare's Facility Affiliation Data lists Sonali P. Majmudar 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.
- Wyandot Memorial HospitalUpper Sandusky, OH · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 361329
Practice locations
Addresses where Sonali P. Majmudar is enrolled with Medicare (CMS data updated October 2, 2026).
- 1555 N Barrington Rd, Suite 205Hoffman Estates, IL 60169
- 1585 Barrington Rd, Suite 503Hoffman Estates, IL 60169 (847) 781‑3002
- 1585 N Barrington Rd, Suite 303Hoffman Estates, IL 60169 (847) 781‑3002
- 885 N Sandusky AveUpper Sandusky, OH 43351
Group practices
Medicare enrollment lists Sonali P. Majmudar as a member of this group (CMS data updated October 2, 2026).
- Wyandot Memorial Hospital69 clinicians in the group
Specialties
- Allergy/Immunologyprimary
Other allergist and immunologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Other clinicians in Wyandot Memorial Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Medical College Of Wisconsin |
| Graduation year | 1995 (31 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1528164118 |
| 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