Andrew John Marsella

Primary specialty

Physician AssistantTaxonomy code 363A00000X

Practice address

900 Bestgate Rd Ste 300
Annapolis, MD 21401-7957

Phone

(410) 364-4242

Fax

(410) 352-6101

NPI assigned

Oct 19, 2019

Last updated

Nov 19, 2025By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

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

Specialty

Physician Assistant

Education

Other, 2020

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Columbia Associates in Psychiatry PCGroup PAC ID 7113165739, 127 clinicians

Joshi and Merchant, MD,PAGroup PAC ID 4981641206, 9 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

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.

• Joshi & Merchant, MD,PA

  • Psychiatry Physician
  • Columbia, MD
  • NPI 1609811447
  Medicare reassignment Care Compare group
• Columbia Associates in Psychiatry PC

  • Psychiatry Physician
  • Arlington, VA
  • NPI 1699012930

  DC, MD

  Medicare reassignment Care Compare group
• Columbia Associates in Psychiatry PC

  • Psychiatry Physician
  • Rockville, MD
  • NPI 1821966946

  Physician Assistant

  NPD
• Joshi & Merchant, MD,PA

  • Internal Medicine Physician
  • Columbia, MD
  • NPI 1689542656
  NPD
• Joshi Mental Health and Wellness LLC

  • Psychiatric/Mental Health Nurse Practitioner
  • Columbia, MD
  • NPI 1669391108
  NPD

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

{
    "created_epoch": "1571443200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1763510400000",
    "number": "1710520085",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "900 BESTGATE RD STE 300",
            "city": "ANNAPOLIS",
            "state": "MD",
            "postal_code": "214017957",
            "telephone_number": "410-364-4242",
            "fax_number": "410-352-6101"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "900 BESTGATE RD STE 300",
            "city": "ANNAPOLIS",
            "state": "MD",
            "postal_code": "214017957",
            "telephone_number": "410-364-4242",
            "fax_number": "410-352-6101"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARSELLA",
        "first_name": "ANDREW",
        "middle_name": "JOHN",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-10-19",
        "last_updated": "2025-11-19",
        "certification_date": "2025-11-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Carleigh Markee
• Casey Marks
• Marla Kush Prokop, DMD, PA
• Taylor Marmorale, PA-C
• Erin Marrazzo, MA,LGPC
• Lafaye F Marshall, PSYD
• Madison Kelleigh Marshall
• Kathleen K Marta, RN, BSN
• Jeffrey Steven Martens, M.D.
• Shannon Martin Dantzler

• Physician Assistant in Annapolis, MD
• Providers in Annapolis, MD by specialty
• Physician Assistant in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 19, 2025; 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.