Quick answers
- Does Srihari R. Ramanujam accept Medicare assignment?
- Yes. Medicare's clinician data says Srihari R. Ramanujam 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 Srihari R. Ramanujam see?
- In 2024, CMS data shows 548 Original Medicare patients and 1,218 services for Srihari R. Ramanujam. This counts Original Medicare only and measures volume, not quality.
- What is Srihari R. Ramanujam's NPI number?
- 1568534824. 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 Srihari R. Ramanujam, 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 | 548 |
|---|---|
| Services billed to Medicare | 1,218 |
| Different services or procedures | 45 |
| Participating Medicare provider | Yes |
| Average age of these patients | 74 |
Most frequent services
- Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito (G0500)259 services
- Biopsy of large bowel using a flexible endoscope (45380)219 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)182 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)149 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)111 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 pressure69%
- Arthritis50%
- Ischemic heart disease32%
- Anxiety23%
- Diabetes18%
Hospitals where Srihari R. Ramanujam works
Medicare's Facility Affiliation Data lists Srihari R. Ramanujam 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.
- Ascension Columbia St Marys Hospital MilwaukeeMilwaukee, WI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 520051
- Aurora Medical CenterGrafton, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520207
Practice locations
Addresses where Srihari R. Ramanujam is enrolled with Medicare (CMS data updated October 2, 2026).
- 13133 N Port Washington Rd, Suite G16Mequon, WI 53097 (262) 243‑2500
- 788 N Jefferson St, Suite 401Milwaukee, WI 53202 (414) 226‑4020
Group practices
Medicare enrollment lists Srihari R. Ramanujam as a member of this group (CMS data updated October 2, 2026).
- Madison Medical Affiliates Inc86 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Mequon
Clinicians with the same Medicare primary specialty in Mequon, WI — not a recommendation.
Other clinicians in Madison Medical Affiliates Inc
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 | 2001 (25 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1568534824 |
| 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