Nathaniel Calvin Warner, MD

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

License

0101260708 Issued in VA

Practice address

1250 E Marshall St
Richmond, VA 23298-5023

Phone

(804) 828-0951

NPI assigned

May 22, 2013

Sex

Male

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 VA

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

Infectious DiseaseAlso: Internal Medicine

Education

Other, 2013

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

MCV Associated PhysiciansGroup PAC ID 4385542117, 1,779 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Medical College of Virginia Hospitals Hospital, Richmond, VA, CCN 490032

Merit-based Incentive Payment System (MIPS)

Final score

83.95 of 100Reported as group

Quality

69.91

Promoting interoperability

99

Improvement activities

40

Cost

77.42

Procedures performed for Medicare patients

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.

• MCV Associated Physicians

  • Anesthesiology Physician
  • Richmond, VA
  • NPI 1710959457
  Medicare reassignment Care Compare group
• Vibra Physicians LLC

  • Hospitalist Physician
  • Johnstown, CO
  • NPI 1659705424

  VA

  Medicare reassignment NPD

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

• Virginia Commonwealth University Health System Authority

  • General Acute Care Hospital
  • Richmond, VA
  • NPI 1013091727
  Care Compare affiliation
• Virginia Commonwealth University Health System Authority

  • General Acute Care Hospital
  • Richmond, VA
  • NPI 1437175734
  Care Compare affiliation

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

{
    "created_epoch": "1369180800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782777600000",
    "number": "1174969794",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1000 E. MARSHALL ST VMI BUILDING, 2ND FLOOR, ROOM 205",
            "city": "RICHMOND",
            "state": "VA",
            "postal_code": "23298",
            "telephone_number": "804-828-9711"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1250 E MARSHALL ST",
            "city": "RICHMOND",
            "state": "VA",
            "postal_code": "232985023",
            "telephone_number": "804-828-0951"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WARNER",
        "first_name": "NATHANIEL",
        "middle_name": "CALVIN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-05-22",
        "last_updated": "2026-06-30",
        "certification_date": "2026-06-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "VA",
            "license": "0101260708",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "VA",
            "license": "0101260708",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "VA",
            "license": "0101260708",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Suzanne Deborah Warme, OTD, OTR/L
• Laura Warmke, M.D.
• Michael James Warn, MD
• Brendon Kent Warner, MD
• Marnie B Warner, CRNA
• Olivia Warner, MSW
• Lee Anna Warren, RBT
• Lindsay Heaps Warren, PA
• Roneshe T. Warren, N.P.
• William C Warren, P.A.-C.

• Internal Medicine Physician in Richmond, VA
• Providers in Richmond, VA by specialty
• Internal Medicine Physician in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 30, 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.