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Physician Assistant

Rosemary E. Long, PA

Sees patients in Ellicott City, MD · Laurel, MD · Eldersburg, MD … · Maryland

Summary

Rosemary E. Long, PA (Physician Assistant) is enrolled with Medicare at 10 practice locations in Ellicott City, MD, Laurel, MD and Eldersburg, MD and other places. NPI 1285943100. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Rosemary E. Long, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Physician AssistantPrimary specialty
YesAccepts Medicare assignment
16Years since medical school (graduated 2010)
FemaleGender (as listed)
MNR Industries, LLCGroup practice (+1 more)

Quick answers

Where does Rosemary E. Long see patients?
Medicare's clinician data lists 10 practice locations, including Ellicott City, MD, Laurel, MD and Eldersburg, MD. Call before your visit to confirm the address.
What is Rosemary E. Long's specialty?
Medicare lists Physician Assistant as the primary specialty.
Does Rosemary E. Long accept Medicare assignment?
Yes. Medicare's clinician data says Rosemary E. Long accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Rosemary E. Long?
(410) 694-7999, as listed in official Medicare / NPI Registry data.
What is Rosemary E. Long's NPI number?
1285943100. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Rosemary E. Long is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 10; the Medicare profile lists all.

Group practices

Medicare enrollment lists Rosemary E. Long as a member of these groups (CMS data updated 2026-10-02).

  • MNR Industries, LLC139 clinicians in the group
  • First Call Medical Center LLC30 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Maryland →

Other physician assistants in Ellicott City

Clinicians with the same Medicare primary specialty in Ellicott City, MD — not a recommendation.

All physician assistants in Ellicott City →

Clinician information

CredentialPA
Graduation year2010
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1285943100
CorrectionsReport 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

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians