NPIMap

Individual provider Active NPI

Marie Stockwin, PA-C

  • Physician Assistant
  • Frederick, MD
National Provider Identifier
1306171863
Registry record updated Jan 9, 2023
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
C04073 Issued in MD
Practice address
194 Thomas Johnson Dr
Frederick, MD 21702-4679
Phone
(240) 215-6310
NPI assigned
Oct 15, 2009
Last updated
Jan 9, 2023By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 9, 2023

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X C04073 MD Primary

Addresses

Primary practice location

194 Thomas Johnson Dr
Frederick, MD 21702-4679

Mailing address

400 W 7TH St
Frederick, MD 21701-4506
Phone (240) 439-8913

Other practice location 1

251 E Antietam St
Hagerstown, MD 21740-5724
Phone (301) 790-8804

Other practice location 2

501 W 7th St
Frederick, MD 21701-4586
Phone (240) 215-6310

Other practice location 3

15 E Frederick St
Walkersville, MD 21793-8234
Phone (240) 215-6310

Other practice location 4

141 Thomas Johnson Dr
Frederick, MD 21702-4502
Phone (301) 846-0100

Other practice location 5

16403 Old Emmitsburg Rd
Emmitsburg, MD 21727-8929
Phone (240) 215-6310

Other practice location 6

400 W 7th St
Frederick, MD 21701-4506
Phone (240) 215-6310

Other practice location 7

75 Thomas Johnson Dr
Frederick, MD 21702-4895
Phone (240) 215-6310

Other practice location 8

230 W Patrick St
Frederick, MD 21701-6945
Phone (240) 215-6310

Other practice location 9

3000D Ventrie Ct
Myersville, MD 21773-7817
Phone (240) 215-6310

Other practice location 10

7211 Bank Ct
Frederick, MD 21703-8483
Phone (240) 215-6310

Other practice location 11

3430 Worthington Blvd
Frederick, MD 21704-7017
Phone (240) 215-6310

Other practice location 12

1562 Opossumtown Pike
Frederick, MD 21702-4920
Phone (240) 215-6310

Other practice location 13

504 E Ridgeville Blvd
Mount Airy, MD 21771-5942
Phone (240) 215-6310

Other practice location 14

11116 Medical Campus Rd
Hagerstown, MD 21742-6710
Phone (301) 790-8804

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20100330000713 MD Practitioner - Physician Assistant 0446386304 Reassigns benefits to 6 organizations

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2009
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Meritus Medical Center IncGroup PAC ID 7113811795, 730 clinicians

Practice addresses (Care Compare)

11116 Medical Campus Rd
Hagerstown, MD 21742-6710
Phone (301) 790-9044

200 Memorial Ave
Westminster, MD 21157-5726
Phone (410) 871-6700

400 W 7TH St
Frederick, MD 21701-4506
Phone (240) 215-6310

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
C04073MDMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Emergency Medicine Associates P.a., P.C. Current Accepting new patients
Meritus Medical Center Inc CurrentSince Jan 1, 2023 Accepting new patients
Meritus Medical Center Inc CurrentSince Jan 1, 2023 Accepting new patients
Emergency Medicine Associates, PA CurrentSince Sep 11, 2025 Accepting new patients
Frederick Health Medical Group LLC CurrentSince Jan 2, 2023 Accepting new patients
Emergency Medicine Associates P.a., P.C. CurrentSince Sep 11, 2025 Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients
Frederick Health Medical Group LLC Past Accepting new patients
Osler Inpatient Services Physician Assistant Past Accepting new patients

Locations

194 Thomas Johnson Dr
Frederick, MD 21702
Phone (240) 215-6370

400 W 7th St
Frederick, MD 21701
Phone (240) 566-3300

501 W 7th St
Frederick, MD 21701
Phone (301) 360-2574

11110 Medical Campus Rd
Ste 147
Hagerstown, MD 21742
Phone (240) 313-9600

11116 Medical Campus Rd
Hagerstown, MD 21742
Phone (301) 766-7600

11116 Medical Campus Rd
Ste 2810
Hagerstown, MD 21742
Phone (240) 313-9580

251 E Antietam St
Hagerstown, MD 21740
Phone (301) 293-0232

100 Hospital Rd
Prnc Frederck, MD 20678
Phone (410) 414-4791

5401 Old Court Rd
Randallstown, MD 21133
Phone (301) 337-2727

200 Memorial Ave
Westminster, MD 21157
Phone (410) 848-3000

3 Byrkit Dr
Williamsport, MD 21795
Phone (301) 582-1150

Organizations & group practices 13

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

View all 13

Hospital & facility affiliations 3

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1255564800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1673222400000",
    "number": "1306171863",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "400 W 7TH ST",
            "city": "FREDERICK",
            "state": "MD",
            "postal_code": "217014506",
            "telephone_number": "240-439-8913"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "194 THOMAS JOHNSON DR",
            "city": "FREDERICK",
            "state": "MD",
            "postal_code": "217024679",
            "telephone_number": "240-215-6310"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "251 E Antietam St",
            "address_purpose": "LOCATION",
            "city": "Hagerstown",
            "state": "MD",
            "postal_code": "217405724",
            "country_code": "US",
            "telephone_number": "301-790-8804",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "501 W 7th St",
            "address_purpose": "LOCATION",
            "city": "Frederick",
            "state": "MD",
            "postal_code": "217014586",
            "country_code": "US",
            "telephone_number": "240-215-6310",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "15 E Frederick St",
            "address_purpose": "LOCATION",
            "city": "Walkersville",
            "state": "MD",
            "postal_code": "217938234",
            "country_code": "US",
            "telephone_number": "240-215-6310",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "141 Thomas Johnson Dr",
            "address_purpose": "LOCATION",
            "city": "Frederick",
            "state": "MD",
            "postal_code": "217024502",
            "country_code": "US",
            "telephone_number": "301-846-0100",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "16403 Old Emmitsburg Rd",
            "address_purpose": "LOCATION",
            "city": "Emmitsburg",
            "state": "MD",
            "postal_code": "217278929",
            "country_code": "US",
            "telephone_number": "240-215-6310",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "400 W 7th St",
            "address_purpose": "LOCATION",
            "city": "Frederick",
            "state": "MD",
            "postal_code": "217014506",
            "country_code": "US",
            "telephone_number": "240-215-6310",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "75 Thomas Johnson Dr",
            "address_purpose": "LOCATION",
            "city": "Frederick",
            "state": "MD",
            "postal_code": "217024895",
            "country_code": "US",
            "telephone_number": "240-215-6310",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "230 W Patrick St",
            "address_purpose": "LOCATION",
            "city": "Frederick",
            "state": "MD",
            "postal_code": "217016945",
            "country_code": "US",
            "telephone_number": "240-215-6310",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3000D Ventrie Ct",
            "address_purpose": "LOCATION",
            "city": "Myersville",
            "state": "MD",
            "postal_code": "217737817",
            "country_code": "US",
            "telephone_number": "240-215-6310",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "7211 Bank Ct",
            "address_purpose": "LOCATION",
            "city": "Frederick",
            "state": "MD",
            "postal_code": "217038483",
            "country_code": "US",
            "telephone_number": "240-215-6310",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3430 Worthington Blvd",
            "address_purpose": "LOCATION",
            "city": "Frederick",
            "state": "MD",
            "postal_code": "217047017",
            "country_code": "US",
            "telephone_number": "240-215-6310",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1562 Opossumtown Pike",
            "address_purpose": "LOCATION",
            "city": "Frederick",
            "state": "MD",
            "postal_code": "217024920",
            "country_code": "US",
            "telephone_number": "240-215-6310",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "504 E Ridgeville Blvd",
            "address_purpose": "LOCATION",
            "city": "Mount Airy",
            "state": "MD",
            "postal_code": "217715942",
            "country_code": "US",
            "telephone_number": "240-215-6310",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "11116 Medical Campus Rd",
            "address_purpose": "LOCATION",
            "city": "Hagerstown",
            "state": "MD",
            "postal_code": "217426710",
            "country_code": "US",
            "telephone_number": "301-790-8804",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "STOCKWIN",
        "first_name": "MARIE",
        "name_prefix": "Mrs.",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-10-15",
        "last_updated": "2023-01-09",
        "certification_date": "2023-01-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MD",
            "license": "C04073",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Frederick, MD

Sources for this page

Verify at the official NPI Registry.