Quick answers
- Does Chetan Mittal accept Medicare assignment?
- Yes. Medicare's clinician data says Chetan Mittal 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 Chetan Mittal see?
- In 2024, CMS data shows 445 Original Medicare patients and 1,153 services for Chetan Mittal. This counts Original Medicare only and measures volume, not quality.
- What is Chetan Mittal's NPI number?
- 1407140015. 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 Chetan Mittal, 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 | 445 |
|---|---|
| Services billed to Medicare | 1,153 |
| Different services or procedures | 53 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)201 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)178 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)125 services
- Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)107 services
- Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)80 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%
- Arthritis49%
- Chronic kidney disease46%
- Ischemic heart disease45%
- Diabetes43%
Hospitals where Chetan Mittal works
Medicare's Facility Affiliation Data lists Chetan Mittal 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 SE Wisconsin HospitalMilwaukee, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520136
- Aurora Lakeland Medical CenterElkhorn, WI · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 520102
- Aurora Memorial Hospital BurlingtonBurlington, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520059
- Aurora St Lukes Medical CenterMilwaukee, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520138
- West Allis Memorial HospitalWest Allis, WI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 520139
Practice locations
Addresses where Chetan Mittal is enrolled with Medicare (CMS data updated October 2, 2026).
- 2801 W Kinnickinnic River Pkwy, Suite 1080Milwaukee, WI 53215 (414) 908‑6500
- 3201 S 16th St, Suite 2015Milwaukee, WI 53215 (414) 908‑6500
- 3237 S 16th StMilwaukee, WI 53215 (414) 647‑5069
- 3803 Spring StMount Pleasant, WI 53405 (262) 687‑8260
Group practices
Medicare enrollment lists Chetan Mittal as a member of these groups (CMS data updated October 2, 2026).
- Ascension Medical Group-Southeast Wisconsin Inc545 clinicians in the group
- Gi Associates LLC55 clinicians in the group
Specialties
- Gastroenterologyprimary
- Internal Medicinealso
Other gastroenterologists in Milwaukee
Clinicians with the same Medicare primary specialty in Milwaukee, WI — not a recommendation.
Other clinicians in Ascension Medical Group-Southeast Wisconsin Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407140015 |
| 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