Individual provider Active NPI

Chelsea Lynn Hamershock, PA-C

  • Physician Assistant
  • Baltimore, MD
National Provider Identifier
1265801435
Registry record updated Mar 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
C0005907 Issued in MD
Practice address
1800 Orleans St
Baltimore, MD 21287-0010
Phone
(410) 955-5000
NPI assigned
Sep 17, 2015
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 9, 2026

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 C0005907 MD Primary

Addresses

Primary practice location

1800 Orleans St
Baltimore, MD 21287-0010

Mailing address

6201 Greenleigh Ave
Middle River, MD 21220-2004
Phone (410) 933-6423

Other practice location 1

9114 Philadelphia Rd
Ste 106
Baltimore, MD 21237-4345
Phone (410) 918-0777

Other practice location 2

1415 S Mountain Rd Ste 100
Joppa, MD 21085-3236
Phone (410) 918-0777 ext. 1628

Other names 1

  • Chelsea Lynn Stewart Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, DC, WV, PA4 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 4

Enrollment IDStateProvider typePAC IDDetails
I20161208000575 MD Practitioner - Physician Assistant 3678853629 Reassigns benefits to 3 organizations
I20171221001024 DC Practitioner - Physician Assistant 3678853629 Reassigns benefits to 1 organization
I20240316000058 WV Practitioner - Physician Assistant 3678853629 Reassigns benefits to 1 organization
I20240410002824 PA Practitioner - Physician Assistant 3678853629 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
C0005907MDMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
MNR Industries, LLC CurrentSince Sep 1, 2016 Accepting new patients
MNR Industries LLC Current Accepting new patients
MNR Industries, LLC CurrentSince Oct 21, 2017 Accepting new patients
MNR Industries LLC CurrentSince Sep 1, 2016 Accepting new patients

Locations

1505 E Churchville Rd
#A
Bel Air, MD 21014
Phone (410) 420-6970

6000 Laurel Bowie Rd
Bowie, MD 20715
Phone (301) 383-0330

504 E Ridgeville Blvd
#A
Mount Airy, MD 21771
Phone (301) 703-5452

Interoperability endpoints

  • Direct secure messaging: chamershock1321170@direct.hopkinsmedicine.org

Organizations & group practices 8

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

NPI Registry JSON

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

{
    "created_epoch": "1442448000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773014400000",
    "number": "1265801435",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6201 GREENLEIGH AVE",
            "city": "MIDDLE RIVER",
            "state": "MD",
            "postal_code": "212202004",
            "telephone_number": "410-933-6423"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1800 ORLEANS ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212870010",
            "telephone_number": "410-955-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9114 Philadelphia Rd",
            "address_2": "Ste 106",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212374345",
            "country_code": "US",
            "telephone_number": "410-918-0777",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1415 S Mountain Rd Ste 100",
            "address_purpose": "LOCATION",
            "city": "Joppa",
            "state": "MD",
            "postal_code": "210853236",
            "country_code": "US",
            "telephone_number": "410-918-0777 x1628",
            "fax_number": "410-369-1705",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HAMERSHOCK",
        "first_name": "CHELSEA",
        "middle_name": "LYNN",
        "credential": "PA-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-09-17",
        "last_updated": "2026-03-09",
        "certification_date": "2026-03-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MD",
            "license": "C0005907",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CHELSEA",
            "last_name": "STEWART",
            "middle_name": "LYNN",
            "credential": "PA-C",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Baltimore, MD

Sources for this page

Verify at the official NPI Registry.