Jennifer L Mark, M.D.

Primary specialty

Hospitalist PhysicianTaxonomy code 208M00000X

License

2003013584 Issued in MO

Practice address

1900 Electric Rd
Salem, VA 24153-7474

Phone

(540) 772-3400

NPI assigned

Apr 26, 2006

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

Other identifiers 4

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

Internal Medicine

Education

Saint Louis University School of Medicine, 1999

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Lake Spring Physician Services, LLCGroup PAC ID 1254689482, 89 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Lewisgale Medical Center Hospital, Salem, VA, CCN 490048
• Lewisgale Hospital Alleghany Hospital, Low Moor, VA, CCN 490126

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.

• Lake Spring Physician Services, LLC

  • Hospitalist Physician
  • Salem, VA
  • NPI 1568954287
  Medicare reassignment Care Compare group NPD

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

• Columbia-Alleghany Regional Hospital Inc

  dba Lewisgale Hospital Alleghany

  • Psychiatric Hospital Unit
  • Low Moor, VA
  • NPI 1285932962
  Care Compare affiliation
• Columbia-Alleghany Regional Hospital Inc

  dba Lewisgale Hospital Alleghany

  • General Acute Care Hospital
  • Low Moor, VA
  • NPI 1538100029
  Care Compare affiliation
• Lewis-Gale Medical Center, LLC

  dba Lewisgale Medical Center

  • General Acute Care Hospital
  • Salem, VA
  • NPI 1619914785
  Care Compare affiliation

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

{
    "created_epoch": "1146009600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787875200000",
    "number": "1558327676",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5916 BUCKLAND MILL RD",
            "city": "ROANOKE",
            "state": "VA",
            "postal_code": "240196725"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1900 ELECTRIC RD",
            "city": "SALEM",
            "state": "VA",
            "postal_code": "241537474",
            "telephone_number": "540-772-3400"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1201 S Grand Blvd",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631041016",
            "country_code": "US",
            "telephone_number": "314-617-2000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "MARK",
        "first_name": "JENNIFER",
        "middle_name": "L",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-26",
        "last_updated": "2026-08-28",
        "certification_date": "2026-08-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "VA",
            "license": "0101235026",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MO",
            "license": "2003013584",
            "primary": false
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "MO",
            "license": "2003013584",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE RAILROAD",
            "identifier": "P00403458",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "010407630",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "P00330094",
            "state": "VA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE RAILROAD",
            "identifier": "P00330094",
            "state": "VA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Gloria Polk Manns, LCSW
• Khadija Manssouri, LCSW
• Leonard Jeffrey Marcus, MD
• Kathryn Magruder Marencik, RPH
• Richard M Marencik, RPH
• Jordyn Mikayla Markle
• Sarah Markwood, FNP
• Kimberly Marlowe, LPTA
• Emily G Marston, PH.D.
• Christy Renee Martin, LPN

• Hospitalist Physician in Salem, VA
• Providers in Salem, VA by specialty
• Hospitalist Physician in Virginia

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 28, 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.