Quick answers
- Does Naina Mahngar accept Medicare assignment?
- Yes. Medicare's clinician data says Naina Mahngar 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 Naina Mahngar see?
- In 2024, CMS data shows 535 Original Medicare patients and 3,378 services for Naina Mahngar. This counts Original Medicare only and measures volume, not quality.
- What is Naina Mahngar's NPI number?
- 1770994808. 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 Naina Mahngar, 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 | 535 |
|---|---|
| Services billed to Medicare | 3,378 |
| Different services or procedures | 19 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,198 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)1,062 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)465 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)98 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)89 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%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)48%
- Chronic kidney disease33%
- Ischemic heart disease32%
Hospitals where Naina Mahngar works
Medicare's Facility Affiliation Data lists Naina Mahngar 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.
- Community HospitalMunster, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150125
- Franciscan Health Michigan CityMichigan City, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150015
- St Mary Medical Center IncHobart, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150034
- The University of Chicago Medical CenterChicago, IL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 140088
- UChicago Medicine Northwest IndianaCrown Point, IN · Acute Care Hospital · Emergency services: listed by Medicare · CCN 150195
Practice locations
Addresses where Naina Mahngar is enrolled with Medicare (CMS data updated October 2, 2026).
- 10855 Virginia StCrown Point, IN 46307 (888) 824‑0200
- 5841 S Maryland AveChicago, IL 60637 (888) 824‑0200
Group practices
Medicare enrollment lists Naina Mahngar as a member of this group (CMS data updated October 2, 2026).
- University of Chicago1,712 clinicians in the group
Specialties
- Hematology/Oncologyprimary
- Internal Medicinealso
Other hematologist-oncologists in Crown Point
Clinicians with the same Medicare primary specialty in Crown Point, IN — not a recommendation.
Other clinicians in University of Chicago
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 2014 (12 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1770994808 |
| 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