Quick answers
- Does Pei-Chun McGregor accept Medicare assignment?
- Yes. Medicare's clinician data says Pei-Chun McGregor 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 Pei-Chun McGregor see?
- In 2024, CMS data shows 1,187 Original Medicare patients and 1,631 services for Pei-Chun McGregor. This counts Original Medicare only and measures volume, not quality.
- What is Pei-Chun McGregor's NPI number?
- 1023231073. 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 Pei-Chun McGregor, 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 | 1,187 |
|---|---|
| Services billed to Medicare | 1,631 |
| Different services or procedures | 16 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (93010)1,298 services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)124 services
- Heart rhythm review and interpretation of continous external ekg over 8-15 days (93248)74 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)33 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)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%
- Arthritis54%
- Ischemic heart disease47%
- Heart failure44%
- Anxiety42%
Practice locations
Addresses where Pei-Chun McGregor is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 8; the Medicare profile lists all.
- 1020 Veterans Pkwy, Suite 700Clarksville, IN 47129 (812) 668‑8144
- 1118 W Mercury BlvdHampton, VA 23666 (757) 276‑9526
- 1414 S 324th St, Suite B207Federal Way, WA 98003 (888) 405‑6396
- 156 W 56th St, Suite 1000New York, NY 10019 · Jeffrey D Wessler MD PC (646) 586‑9908
- 1947 Madison St, Suite BClarksville, TN 37043 (931) 614‑7169
Group practices
Medicare enrollment lists Pei-Chun McGregor as a member of these groups (CMS data updated October 2, 2026).
- Iora Senior Health LLC118 clinicians in the group
- Centerwell Senior Primary Care VA PLLC42 clinicians in the group
- Iora Health Colorado, P.C.42 clinicians in the group
- Centerwell Senior Primary Care TN PC39 clinicians in the group
- Iora Health Georgia PC27 clinicians in the group
- Centerwell Senior Primary Care in PC26 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Indiana →
Other cardiologists in Clarksville
Clinicians with the same Medicare primary specialty in Clarksville, IN — not a recommendation.
Other clinicians in Iora Senior Health LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | New York University School Of Medicine |
| Graduation year | 2005 (21 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) | 1023231073 |
| 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
- 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