Quick answers
- Does Megan Harman accept Medicare assignment?
- Yes. Medicare's clinician data says Megan Harman 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 Megan Harman see?
- In 2024, CMS data shows 223 Original Medicare patients and 344 services for Megan Harman. This counts Original Medicare only and measures volume, not quality.
- What is Megan Harman's NPI number?
- 1790254837. 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 Megan Harman, 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 | 223 |
|---|---|
| Services billed to Medicare | 344 |
| Different services or procedures | 5 |
| 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)254 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)74 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 cholesterol71%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)57%
- Arthritis44%
- Chronic kidney disease39%
- Ischemic heart disease32%
Hospitals where Megan Harman works
Medicare's Facility Affiliation Data lists Megan Harman 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 LincolnTroy, MO · Critical Access Hospital · Emergency services: listed by Medicare · CCN 261319
- Mercy Hospital St LouisSaint Louis, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260020
- SSM Health Depaul Hospital St LouisBridgeton, MO · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 260104
- SSM St Joseph Health CenterSaint Charles, MO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 260005
- SSM St Joseph Hospital WestLake Saint Louis, MO · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 260200
Practice locations
Addresses where Megan Harman is enrolled with Medicare (CMS data updated October 2, 2026).
- 1000 E Cherry St, Fl 3Troy, MO 63379 (636) 528‑3382
- 901 Patients 1st DrWashington, MO 63090 (636) 390‑1600
- 901 Patients 1st Dr, Suite 1100Washington, MO 63090 (636) 390‑1600
Group practices
Medicare enrollment lists Megan Harman as a member of this group (CMS data updated October 2, 2026).
- Mercy Clinic Oncology LLC33 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Troy
Clinicians with the same Medicare primary specialty in Troy, MO — not a recommendation.
Other clinicians in Mercy Clinic Oncology LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| School | Southern Illinois University School Of Medicine |
| Graduation year | 2013 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1790254837 |
| 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