Quick answers
- Does Shannon M. Seifert accept Medicare assignment?
- Yes. Medicare's clinician data says Shannon M. Seifert 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 Shannon M. Seifert see?
- In 2024, CMS data shows 175 Original Medicare patients and 193 services for Shannon M. Seifert. This counts Original Medicare only and measures volume, not quality.
- What is Shannon M. Seifert's NPI number?
- 1396742946. 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 Shannon M. Seifert, 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 | 175 |
|---|---|
| Services billed to Medicare | 193 |
| Different services or procedures | 50 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Anesthesia for other procedure on urinary system through urethra (00910)23 services
- Anesthesia for other procedure on upper abdomen (00790)14 services
- Anesthesia for other procedure on skin of arms, legs, and front body (00400)12 services
- Anesthesia for other procedure on lower abdomen (00840)11 services
- Anesthesia for procedure on anus and rectum (00902)11 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%
- Arthritis50%
- Diabetes44%
- Chronic kidney disease39%
- Ischemic heart disease36%
Hospitals where Shannon M. Seifert works
Medicare's Facility Affiliation Data lists Shannon M. Seifert 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.
- Adventist Healthcare White Oak Medical CenterSilver Spring, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210016
- Luminis Health Anne Arundel Medical Center, IncAnnapolis, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210023
- University of Maryland Medical CenterBaltimore, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210002
Practice locations
Addresses where Shannon M. Seifert is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.
- 1500 Forest Glen RdSilver Spring, MD 20910 (301) 754‑7000
- 2001 Medical PkwyAnnapolis, MD 21401 (443) 481‑1000
- 22 S Green StBaltimore, MD 21201
- 400 W 7th StFrederick, MD 21701 (240) 566‑3800
- 8118 Good Luck RdLanham, MD 20706 (301) 552‑8118
Group practices
Medicare enrollment lists Shannon M. Seifert as a member of these groups (CMS data updated October 2, 2026).
- Anesthesia Company LLC378 clinicians in the group
- First Colonies Anesthesia Associates, LLC326 clinicians in the group
- University of Maryland Anesthesiology Associates PA143 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Maryland →
Other nurse anesthetists in Silver Spring
Clinicians with the same Medicare primary specialty in Silver Spring, MD — not a recommendation.
Other clinicians in Anesthesia Company LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2004 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1396742946 |
| 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