Quick answers
- Does Barbara Mols Kowalczewski accept Medicare assignment?
- Yes. Medicare's clinician data says Barbara Mols Kowalczewski 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 Barbara Mols Kowalczewski see?
- In 2024, CMS data shows 290 Original Medicare patients and 603 services for Barbara Mols Kowalczewski. This counts Original Medicare only and measures volume, not quality.
- What is Barbara Mols Kowalczewski's NPI number?
- 1649321977. 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 Barbara Mols Kowalczewski, 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 | 290 |
|---|---|
| Services billed to Medicare | 603 |
| Different services or procedures | 9 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)376 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)118 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)75 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%
- Diabetes59%
- Arthritis47%
- Chronic kidney disease34%
- Osteoporosis30%
Hospitals where Barbara Mols Kowalczewski works
Medicare's Facility Affiliation Data lists Barbara Mols Kowalczewski 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.
- Sentara Leigh HospitalNorfolk, VA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: not listed by Medicare · CCN 490046
- Sentara Norfolk General HospitalNorfolk, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490007
- Sentara Obici HospitalSuffolk, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490044
- Sentara Princess Anne HospitalVirginia Beach, VA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 490119
- Sentara Virginia Beach General HospitalVirginia Beach, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490057
Practice locations
Addresses where Barbara Mols Kowalczewski is enrolled with Medicare (CMS data updated October 2, 2026).
- 850 Kempsville Rd, Suite 100eNorfolk, VA 23502 (757) 261‑5744
Group practices
Medicare enrollment lists Barbara Mols Kowalczewski as a member of this group (CMS data updated October 2, 2026).
- Sentara Medical Group1,408 clinicians in the group
Specialties
- Endocrinologyprimary
Other endocrinologists in Norfolk
Clinicians with the same Medicare primary specialty in Norfolk, VA — not a recommendation.
Other clinicians in Sentara Medical Group
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1984 (42 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1649321977 |
| 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