Quick answers
- Does Margaret Tajak accept Medicare assignment?
- Yes. Medicare's clinician data says Margaret Tajak 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 Margaret Tajak see?
- In 2024, CMS data shows 390 Original Medicare patients and 915 services for Margaret Tajak. This counts Original Medicare only and measures volume, not quality.
- What is Margaret Tajak's NPI number?
- 1063705440. 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 Margaret Tajak, 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 | 390 |
|---|---|
| Services billed to Medicare | 915 |
| Different services or procedures | 14 |
| 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)482 services
- Hospital discharge day management, more than 30 minutes (99239)165 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)160 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)29 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)28 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%
- Arthritis64%
- Ischemic heart disease49%
- Chronic kidney disease48%
- Heart failure47%
Hospitals where Margaret Tajak works
Medicare's Facility Affiliation Data lists Margaret Tajak 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.
- Riverside Doctors' Hospital of WilliamsburgWilliamsburg, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 490143
- Riverside Regional Medical CenterNewport News, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 490052
- Riverside Walter Reed HospitalGloucester, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490130
- Williamson Medical CenterFranklin, TN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 440029
Practice locations
Addresses where Margaret Tajak is enrolled with Medicare (CMS data updated October 2, 2026).
- 10510 Jefferson Ave, ANewport News, VA 23601 (757) 594‑3800
- 4321 Carothers PkwyFranklin, TN 37067 (615) 495‑6700
- 500 J Clyde Morris BlvdNewport News, VA 23601 (757) 594‑3580
Group practices
Medicare enrollment lists Margaret Tajak as a member of these groups (CMS data updated October 2, 2026).
- Riverside Physician Services Inc797 clinicians in the group
- Riverside Hospital Inc50 clinicians in the group
- Williamson Hospitalist Program43 clinicians in the group
Specialties
- Hospitalistprimary
Other hospitalists in Newport News
Clinicians with the same Medicare primary specialty in Newport News, VA — not a recommendation.
Other clinicians in Riverside Physician Services Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Arizona College Of Osteopathic Medicine Mid Western University |
| Graduation year | 2011 (15 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1063705440 |
| 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