Individual provider Active NPI

Mary Patricia Olin, PHYSICIAN ASSISTANT

  • Medical Physician Assistant
  • Washington, DC
National Provider Identifier
1841244571
Registry record updated Jul 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Physician AssistantTaxonomy code 363AM0700X
License
DCPA215 Issued in DC
Practice address
2150 Pennsylvania Ave NW
Washington, DC 20037-3201
Phone
(202) 741-2350
Fax
(202) 741-2791
NPI assigned
May 19, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 13, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Physician Assistant 363AM0700X DCPA215 DC Primary

Addresses

Primary practice location

2150 Pennsylvania Ave NW
Washington, DC 20037-3201

Mailing address

7221 Panorama Dr
Derwood, MD 20855-1940
Phone (301) 840-9692

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in DC
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 1

Enrollment IDStateProvider typePAC IDDetails
I20061018000545 DC Practitioner - Physician Assistant 1153327911 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Physician Assistant
Education
Other, 1986
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Medical Faculty Associates, IncGroup PAC ID 4082528898, 676 clinicians

Practice addresses (Care Compare)

2150 Pennsylvania Ave NW
Washington, DC 20037-3201
Phone (202) 741-2600

900 23Rd St NW
Washington, DC 20037-2342
Phone (202) 715-4000

Hospital & facility affiliations

  • Amedisys Home Health Home health agency, Washington, DC, CCN 097024
  • George Washington Univ Hospital Hospital, Washington, DC, CCN 090001

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
DCPA215DCMDMedical Physician Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Frederick Health Hospital Inc Past Accepting new patients

Interoperability endpoints

  • Direct secure messaging: molin19806@gwmfa.direct-ci.com

Organizations & group practices 2

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 2

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": "1147996800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1841244571",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7221 PANORAMA DR",
            "city": "DERWOOD",
            "state": "MD",
            "postal_code": "208551940",
            "telephone_number": "301-840-9692",
            "fax_number": "202-741-2791"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2150 PENNSYLVANIA AVE NW",
            "city": "WASHINGTON",
            "state": "DC",
            "postal_code": "200373201",
            "telephone_number": "202-741-2350",
            "fax_number": "202-741-2791"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLIN",
        "first_name": "MARY",
        "middle_name": "PATRICIA",
        "name_prefix": "Mrs.",
        "credential": "PHYSICIAN ASSISTANT",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-05-19",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "DC",
            "license": "DCPA215",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Washington, DC

Sources for this page

Verify at the official NPI Registry.