Margaret L. Mason

Primary specialty

Nurse PractitionerTaxonomy code 363L00000X

License

R238423 Issued in MD

Practice address

2525 W Belvedere Ave
Baltimore, MD 21215-5203

Phone

(410) 367-9100

NPI assigned

Feb 27, 2018

Last updated

Mar 12, 2026By the provider in NPPES

Sex

Female

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Medicare fee-for-service enrollment

Enrolled in DC, MD, VA3 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 3

Specialty

Nurse Practitioner

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Pai Participant 1 LLCGroup PAC ID 8123351954, 174 clinicians

Universal Health CorporationGroup PAC ID 5597912626, 120 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Locations

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.

• Align Wellness Suite LLC

  • Clinic/Center
  • Hughesville, MD
  • NPI 1710717483

  Nurse Practitioner

  Medicare reassignment NPD Authorized official
• Universal Health Corporation

  • Internal Medicine Physician
  • Roanoke, VA
  • NPI 1407117625
  Medicare reassignment Care Compare group
• Your Diabetes NP, LLC

  • Endocrinology, Diabetes & Metabolism Physician
  • Waldorf, MD
  • NPI 1437754389
  NPD Authorized official
• Mdics Rehabilitative Services LLC

  • Internal Medicine Physician
  • Glen Burnie, MD
  • NPI 1124313309

  DC

  Medicare reassignment
• Pai Participant 1 LLC

  • Geriatric Medicine (Internal Medicine) Physician
  • Chillicothe, OH
  • NPI 1093371312
  Care Compare group
• Pearl Medical Practice PLLC

  • Primary Care Clinic/Center
  • Louisville, KY
  • NPI 1669841631
  NPD (past)

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

{
    "created_epoch": "1519689600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1773273600000",
    "number": "1033610746",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8301 OLD LEONARDTOWN RD",
            "city": "HUGHESVILLE",
            "state": "MD",
            "postal_code": "206373154",
            "telephone_number": "240-254-2011",
            "fax_number": "757-432-3166"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2525 W BELVEDERE AVE",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212155203",
            "telephone_number": "410-367-9100"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "4200 Gardiner View Ave Ste 101",
            "address_purpose": "LOCATION",
            "city": "Louisville",
            "state": "KY",
            "postal_code": "402131877",
            "country_code": "US",
            "telephone_number": "502-456-0494",
            "fax_number": "502-456-0496",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MASON",
        "first_name": "MARGARET",
        "middle_name": "L.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-02-27",
        "last_updated": "2026-03-12",
        "certification_date": "2026-03-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "KY",
            "license": "3012124",
            "primary": false
        },
        {
            "code": "363L00000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner",
            "state": "MD",
            "license": "R238423",
            "primary": true
        },
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "VA",
            "license": "0024177540",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Julia Hartley Mason, LCSW-C
• Kevin Anthony Mason, LCPC
• Lauren Murphy Mason, PA-C
• Lonetta Mason, LCPC
• Maeeva Mason
• Melissa Inez Mason, CRNP
• Nicholas Mason, DO
• Phyllis J Mason, CRNP
• Roycott Denmore Mason, PHYSICIAN ASSISTANT
• Sherell Latonya Mason, M.D.

• Nurse Practitioner in Baltimore, MD
• Providers in Baltimore, MD by specialty
• Nurse Practitioner in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 12, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.