Quick answers
- Does Harmeen Chawla accept Medicare assignment?
- Yes. Medicare's clinician data says Harmeen Chawla 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 Harmeen Chawla see?
- In 2024, CMS data shows 522 Original Medicare patients and 4,426 services for Harmeen Chawla. This counts Original Medicare only and measures volume, not quality.
- What is Harmeen Chawla's NPI number?
- 1275594590. 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 Harmeen Chawla, 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 | 522 |
|---|---|
| Services billed to Medicare | 4,426 |
| Different services or procedures | 17 |
| Participating Medicare provider | Yes |
| Average age of these patients | 79 |
Most frequent services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)2,139 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)586 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)418 services
- Hospital discharge day management, more than 30 minutes (99239)322 services
- Physician or allowed practitioner certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians and (G0180)26 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%
- Arthritis73%
- Chronic kidney disease59%
- Ischemic heart disease54%
- Anxiety53%
Hospitals where Harmeen Chawla works
Medicare's Facility Affiliation Data lists Harmeen Chawla 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.
- Mercy Hospital JeffersonCrystal City, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260023
- Mercy Hospital SouthSaint Louis, MO · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 260077
Practice locations
Addresses where Harmeen Chawla is enrolled with Medicare (CMS data updated October 2, 2026).
- 10114 Kennerly RdSaint Louis, MO 63128 (314) 525‑4522
- 621 S New Ballas Rd, Suite 4017bSaint Louis, MO 63141 (314) 872‑9192
Group practices
Medicare enrollment lists Harmeen Chawla as a member of this group (CMS data updated October 2, 2026).
- Mercy Clinic East Communities571 clinicians in the group
Specialties
Find other Physical Medicine and Rehabilitation doctors in Missouri →
Other rehabilitation doctors in Saint Louis
Clinicians with the same Medicare primary specialty in Saint Louis, MO — not a recommendation.
Other clinicians in Mercy Clinic East Communities
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of Ny Upstate Medical University |
| Graduation year | 1992 (34 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1275594590 |
| 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