Robert Lawrence Tychsen, MD

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

R5J00 Issued in MO

Practice address

1 Childrens PL
Ste 3110
Saint Louis, MO 63110-1002

Phone

(314) 454-6026

Fax

(866) 936-4559

NPI assigned

Jul 17, 2006

Last updated

Apr 17, 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

Other identifiers 1

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in MO

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 1

Specialty

Ophthalmology

Education

Georgetown University School of Medicine, 1979

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Washington UniversityGroup PAC ID 9830008770, 2,968 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Missouri Baptist Medical Center Hospital, Saint Louis, MO, CCN 260108
• St Louis Childrens Hospital Hospital, Saint Louis, MO, CCN 263301

Merit-based Incentive Payment System (MIPS)

Final score

84.2 of 100Reported as group

Quality

71.6

Promoting interoperability

100

Improvement activities

40

Cost

75.75

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: ltychsen151537@direct.carenet.org

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.

• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1013957562
  Medicare reassignment Care Compare group NPD
• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1962442475
  NPD
• Ozarks Medical Center

  dba Ozarks Healthcare

  • General Acute Care Hospital
  • West Plains, MO
  • NPI 1831115641
  NPD (past)
• Washington University

  • Multi-Specialty Clinic/Center
  • Saint Louis, MO
  • NPI 1134169568
  NPD (past)

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

• Missouri Baptist Medical Center

  • General Acute Care Hospital
  • Saint Louis, MO
  • NPI 1487663506
  Care Compare affiliation
• St Louis Childrens Hospital

  dba Children's Hospital Specialty Care Center Pharmacy

  • Community/Retail Pharmacy
  • Town and Country, MO
  • NPI 1629464847

  Hospital

  Care Compare affiliation
• St. Louis Children's Hospital

  dba St. Louis Children's Hospital Dental Clinic

  • Dental Clinic/Center
  • Saint Louis, MO
  • NPI 1447302161

  Hospital

  Care Compare affiliation
• St. Louis Children's Hospital

  • Children's Hospital
  • Saint Louis, MO
  • NPI 1992727663
  Care Compare affiliation
• St. Louis Childrens Hospital

  • Adolescent and Children Mental Health Clinic/Center
  • Saint Louis, MO
  • NPI 1710909486

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1153094400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744848000000",
    "number": "1568489094",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 7412011",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606742011",
            "telephone_number": "314-454-6026",
            "fax_number": "866-936-4559"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1 CHILDRENS PL",
            "address_2": "STE 3110",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631101002",
            "telephone_number": "314-454-6026",
            "fax_number": "866-936-4559"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TYCHSEN",
        "first_name": "ROBERT",
        "middle_name": "LAWRENCE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-07-17",
        "last_updated": "2025-04-17",
        "certification_date": "2022-06-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "MO",
            "license": "R5J00",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "202703609",
            "state": "MO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://epicproxy.et0965.epichosted.com/FHIRProxy/api/FHIR/DSTU2/",
            "affiliation": "Y",
            "affiliationName": "Washington University",
            "address_1": "1 Childrens Pl",
            "address_2": "Ste 3110",
            "city": "Saint Louis",
            "state": "MO",
            "country_code": "US",
            "postal_code": "631101002",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Afia Gyamfuaah Twumasi, MD
• Kimberly A Twyman, MD
• Michael Allen Twyman, MD
• Sudhi Tyagi, MD
• John Tycher
• Crawford Tyer
• Tanner Tyer, CAA
• Lucia Tyksinski, LMT
• Tyler M Aholt DDS LLC
• Ashley Michelle Tyler, DNP, FNP-BC

• Ophthalmology Physician in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Ophthalmology Physician in Missouri

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