Mary Sabasteanski, PA-C
NPI 1497006548 · Medical Physician Assistant · Chestertown, MD
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Sabasteanski, PA-C is a Medical Physician Assistant provider in Chestertown, MD (NPI 1497006548).
Provider details
- NPI number
- 1497006548
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- C5-0012393 (DE)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
411 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 176 | $102 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 164 | $147 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 45 | $59 |
| Critical Care, First 30-74 Minutes99291 | 26 | $179 |
Typical Medicare-allowed amounts for these services range $59–$179 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 31 | 31 |
| Cefpodoxime Proxetil | 19 | 17 |
| Cephalexin | 18 | 18 |
| Doxycycline Hyclate | 16 | 16 |
| Oxycodone Hcl | 15 | 15 |
| Ciprofloxacin Hcl | 13 | 13 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 13 | 13 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$25 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-09-28
- Last updated
- 2026-01-06
- Certified
- 2026-01-06
Frequently asked questions
- What is Mary Sabasteanski's NPI number?
- Mary Sabasteanski's National Provider Identifier (NPI) is 1497006548, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Sabasteanski's specialty?
- Mary Sabasteanski is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Sabasteanski located?
- Mary Sabasteanski's practice location on file with NPPES is 100 Brown St, Chestertown, MD 21620-1435.
- What is Mary Sabasteanski's phone number?
- The practice phone number listed in the NPPES registry for Mary Sabasteanski is (410) 778-3300.
- Does Mary Sabasteanski accept Medicare?
- Mary Sabasteanski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Sabasteanski's NPI active?
- Yes — Mary Sabasteanski's NPI (1497006548) is active in the NPPES registry as of the last update on 2026-01-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.