Quick answers
- Does Sarah J. Marley accept Medicare assignment?
- Yes. Medicare's clinician data says Sarah J. Marley 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 Sarah J. Marley see?
- In 2024, CMS data shows 331 Original Medicare patients and 1,088 services for Sarah J. Marley. This counts Original Medicare only and measures volume, not quality.
- What is Sarah J. Marley's NPI number?
- 1316395023. 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 Sarah J. Marley, 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 | 331 |
|---|---|
| Services billed to Medicare | 1,088 |
| Different services or procedures | 60 |
| Participating Medicare provider | Yes |
| Average age of these patients | 69 |
Most frequent services
- Detection test by immunoassay technique for influenza virus (87400)186 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)145 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)139 services
- Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) (87811)118 services
- Automated urinalysis test (81003)74 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 cholesterol72%
- High blood pressure70%
- Arthritis42%
- Anxiety33%
- Diabetes27%
- Depression27%
Practice locations
Addresses where Sarah J. Marley is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.
- 1307 Merritt BlvdDundalk, MD 21222 (410) 288‑2121
- 1354 Eastern Blvd, Expresscare of EssexEssex, MD 21221 (443) 231‑5203
- 1470 Martin BlvdMiddle River, MD 21220 (443) 231‑5203
- 1505 E Churchville RdBel Air, MD 21014
- 1505 E Churchville Rd, Expresscare of Bel AirBel Air, MD 21014 (410) 420‑6970
Group practices
Medicare enrollment lists Sarah J. Marley as a member of this group (CMS data updated October 2, 2026).
- MNR Industries, LLC139 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Dundalk
Clinicians with the same Medicare primary specialty in Dundalk, MD — not a recommendation.
Other clinicians in MNR Industries, LLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1316395023 |
| 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
- 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