Quick answers
- Does Marianne L. Siegrist accept Medicare assignment?
- Yes. Medicare's clinician data says Marianne L. Siegrist 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 Marianne L. Siegrist see?
- In 2024, CMS data shows 217 Original Medicare patients and 1,699 services for Marianne L. Siegrist. This counts Original Medicare only and measures volume, not quality.
- What is Marianne L. Siegrist's NPI number?
- 1114030954. 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 Marianne L. Siegrist, 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 | 217 |
|---|---|
| Services billed to Medicare | 1,699 |
| Different services or procedures | 26 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)400 services
- Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)281 services
- Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (99454)250 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)242 services
- Insertion of needle into vein for collection of blood sample (36415)212 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%
- Arthritis56%
- Diabetes52%
- Osteoporosis34%
- Ischemic heart disease29%
Hospitals where Marianne L. Siegrist works
Medicare's Facility Affiliation Data lists Marianne L. Siegrist 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.
- Bon Secours Richmond Community HospitalRichmond, VA · Acute Care Hospital · Emergency services: listed by Medicare · CCN 490094
- Bon Secours Southside Medical CenterPetersburg, VA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 490067
- Bon Secours St Francis Medical CenterMidlothian, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490136
- CJW Medical CenterRichmond, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490112
- John Randolph Medical CenterHopewell, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490020
Practice locations
Addresses where Marianne L. Siegrist is enrolled with Medicare (CMS data updated October 2, 2026).
- 10201 Krause RdChesterfield, VA 23832 (804) 748‑6229
- 8644 Sudley Rd, Suite 220Manassas, VA 20110 (571) 366‑8845
Group practices
Medicare enrollment lists Marianne L. Siegrist as a member of this group (CMS data updated October 2, 2026).
- Privia Medical Group, LLC1,533 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Chesterfield
Clinicians with the same Medicare primary specialty in Chesterfield, VA — not a recommendation.
Other clinicians in Privia Medical Group, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Philadelphia College Of Osteopathic Medicine |
| Graduation year | 1991 (35 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1114030954 |
| 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