Mark Anthony Ritter, M.D. RPH.

Primary specialty

Psychiatry PhysicianTaxonomy code 2084P0800X

License

D61197 Issued in MD

Practice address

4375 Fair Lakes CT
Fairfax, VA 22033-4234

Phone

(571) 432-2600

NPI assigned

Jan 30, 2007

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in DC, MD2 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 2

Specialty

Psychiatry

Education

Wayne State University School of Medicine, 2001

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Adventist Physician Services IncGroup PAC ID 4284631540, 144 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

95.19 of 100Reported as apm

Quality

79.78

Promoting interoperability

98

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

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 and National Provider Directory roles.

• Adventist Physician Services, Inc.

  • Physical Medicine & Rehabilitation Physician
  • Gaithersburg, MD
  • NPI 1376623207

  DC, Psychiatry

  Medicare reassignment Care Compare group NPD
• Dr Arun K Gupta PC

  • Cardiovascular Disease Physician
  • Manassas, VA
  • NPI 1093997900
  NPD (past)
• Adventist Healthcare, Inc.

  • General Acute Care Hospital
  • Rockville, MD
  • NPI 1568468221
  NPD (past)

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

{
    "created_epoch": "1170115200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750118400000",
    "number": "1265579387",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4375 FAIR LAKES CT",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220334234"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4375 FAIR LAKES CT",
            "city": "FAIRFAX",
            "state": "VA",
            "postal_code": "220334234",
            "telephone_number": "571-432-2600"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "RITTER",
        "first_name": "MARK",
        "middle_name": "ANTHONY",
        "credential": "M.D. RPH.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-01-30",
        "last_updated": "2025-06-17",
        "certification_date": "2025-06-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084P0804X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Child & Adolescent Psychiatry",
            "state": "MD",
            "license": "D0061197",
            "primary": false
        },
        {
            "code": "2084P0800X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Psychiatry",
            "state": "MD",
            "license": "D61197",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Alison Nicola Ritchie
• Ritecare Concept LLC
• Ritechoice Home Healthcare LLC
• Ritter Cardiology PLLC
• Jody Ritter, DO
• Allison Nicole Ritzel, PA-C
• Emma Ritzmann, MD
• Jocelyn Rivas
• Mayra Rivas
• Erin Nicole Rivenburg, COTA

• Psychiatry Physician in Fairfax, VA
• Providers in Fairfax, VA by specialty
• Psychiatry Physician in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 17, 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.