Individual provider Active NPI

Theresa J Grasing, P.A-C

  • Physician Assistant
  • Annapolis, MD
National Provider Identifier
1245757103
Registry record updated Aug 18, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
C0006562 Issued in MD
Practice address
108 Forbes St FL 2
Annapolis, MD 21401-1502
Phone
(410) 940-6645
Fax
(410) 571-7880
NPI assigned
Aug 23, 2017
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 18, 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 C0006562 MD Primary

Addresses

Primary practice location

108 Forbes St FL 2
Annapolis, MD 21401-1502

Mailing address

24035 Three Notch Rd
Hollywood, MD 20636-4871
Phone (301) 373-7900

Other names 1

  • Mrs. Theresa J Bering Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, DC2 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 2

Enrollment IDStateProvider typePAC IDDetails
I20171109000465 MD Practitioner - Physician Assistant 8224394119 Reassigns benefits to 1 organization
I20201130002321 DC Practitioner - Physician Assistant 8224394119 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

108 Forbes St
Annapolis, MD 21401-1502
Phone (410) 940-6645

2200 Defense Hwy
Suite 100
Crofton, MD 21114-2458
Phone (410) 721-5280

24035 Three Notch Rd
Hollywood, MD 20636-4871
Phone (301) 373-7900

PO Box
Suite 640
Hollywood, MD 20636-0640

Hospital & facility affiliations

  • Luminis Health Anne Arundel Medical Center, Inc Hospital, Annapolis, MD, CCN 210023
  • University of MD Shore Medical Center at Easton Hospital, Easton, MD, CCN 210037
  • Johns Hopkins Hospital, the Hospital, Baltimore, MD, CCN 210009

Merit-based Incentive Payment System (MIPS)

Final score
81.41 of 100Reported as group
Quality
61.45
Promoting interoperability
96
Improvement activities
40
Cost
79.91

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
C0006562MDMDPhysician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Medstar Medical Group - Southern Maryland LLC Current Accepting new patients
Frederick Health Hospital Inc Past Accepting new patients

Locations

24035 Three Notch Rd
Hollywood, MD 20636
Phone (301) 373-2588

Interoperability endpoints

  • Direct secure messaging: theresa.grasingpac.p2@direct.msmg.nextgenshare.com

Organizations & group practices 3

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.

Hospital & facility affiliations 6

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": "1503446400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787011200000",
    "number": "1245757103",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "24035 THREE NOTCH RD",
            "city": "HOLLYWOOD",
            "state": "MD",
            "postal_code": "206364871",
            "telephone_number": "301-373-7900",
            "fax_number": "301-373-6900"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "108 FORBES ST FL 2",
            "city": "ANNAPOLIS",
            "state": "MD",
            "postal_code": "214011502",
            "telephone_number": "410-940-6645",
            "fax_number": "410-571-7880"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRASING",
        "first_name": "THERESA",
        "middle_name": "J",
        "name_prefix": "Mrs.",
        "credential": "P.A-C",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-08-23",
        "last_updated": "2026-08-18",
        "certification_date": "2026-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MD",
            "license": "C0006562",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "THERESA",
            "last_name": "BERING",
            "middle_name": "J",
            "prefix": "MRS.",
            "credential": "P.A. - C",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Annapolis, MD

Sources for this page

Verify at the official NPI Registry.