Ann Chen, PA

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

C0004921 Issued in MD

Practice address

130 Hospital Drive Ste 300
Prince Frederick, MD 20678-4057

Phone

(410) 535-4333

Fax

(410) 535-3260

NPI assigned

Mar 2, 2006

Sex

Female

Sole proprietor

No

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

Specialties & licenses 2

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in MD

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

Specialty

Physician Assistant

Education

Other, 2003

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Medstar Medical Group - Southern Maryland LLCGroup PAC ID 1355667056, 241 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Calverthealth Medical Center Hospital, Prince Frederick, MD, CCN 210039
• Medstar Saint Mary'S Hospital Hospital, Leonardtown, MD, CCN 210028

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

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ann.chenpac.p2@direct.msmg.nextgenshare.com

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.

• Medstar Medical Group - Southern Maryland LLC

  • Internal Medicine Physician
  • Hollywood, MD
  • NPI 1831592211
  Medicare reassignment Care Compare group
• Medstar Medical Group - Southern Maryland LLC

  • Ambulatory Surgical Clinic/Center
  • Waldorf, MD
  • NPI 1730571118
  NPD
• Medstar Southern Maryland Physicians, LLC

  • Obstetrics & Gynecology Physician
  • White Plains, MD
  • NPI 1366644197
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Calverthealth Medical Center, Inc.

  • General Acute Care Hospital
  • Prince Frederick, MD
  • NPI 1457389298
  Care Compare affiliation
• St Marys Hospital of St Marys County Inc

  • General Acute Care Hospital
  • Leonardtown, MD
  • NPI 1780650473
  Care Compare affiliation

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

{
    "created_epoch": "1141257600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787011200000",
    "number": "1750358438",
    "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": "130 HOSPITAL DRIVE STE 300",
            "city": "PRINCE FREDERICK",
            "state": "MD",
            "postal_code": "206784057",
            "telephone_number": "410-535-4333",
            "fax_number": "410-535-3260"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "24035 Three Notch Road",
            "address_purpose": "LOCATION",
            "city": "Hollywood",
            "state": "MD",
            "postal_code": "206364871",
            "country_code": "US",
            "telephone_number": "301-373-7900",
            "fax_number": "301-373-6900",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHEN",
        "first_name": "ANN",
        "credential": "PA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-03-02",
        "last_updated": "2026-08-18",
        "certification_date": "2026-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MD",
            "license": "C0004921",
            "primary": true
        },
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "WI",
            "license": "1711-023",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "841044500",
            "state": "MD"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Centers for Advanced Orthopaedics, LLC
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• Kristy Charnock, LCPC
• Foong-Chee Joann Cheah, CRNP
• Chesapeake Anesthesia Associates PA
• Chesapeake Eye Care & Laser Center LLC
• Chesapeake Eye Care & Laser Center LLC
• Chesapeake Eye Care & Laser Center, LLC
• Chesapeake Integrative Health Solutions LLC

• Physician Assistant in Prince Frederick, MD
• Providers in Prince Frederick, MD by specialty
• Physician Assistant in Maryland

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 18, 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.