Alison Flentje

Primary specialty

Vascular Surgery PhysicianTaxonomy code 2086S0129X

License

D0103874 Issued in MD

Practice address

22 S Greene St
Baltimore, MD 21201-1544

Phone

(410) 328-5878

NPI assigned

Mar 30, 2016

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

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: Yes

Green means eligible to order or refer.

Enrollment records 1

Specialty

General SurgeryAlso: Vascular Surgery

Education

Eastern Virginia Medical School, 2016

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

St Agnes Healthcare IncGroup PAC ID 9830092733, 265 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Saint Agnes Hospital Hospital, Baltimore, MD, CCN 210011

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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.

• St Agnes Healthcare Inc

  • Internal Medicine Physician
  • Baltimore, MD
  • NPI 1144250176

  Surgery

  Medicare reassignment Care Compare group NPD
• St Agnes Healthcare Inc

  • Diagnostic Radiology Physician
  • Baltimore, MD
  • NPI 1780615922
  NPD

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

• St. Agnes Healthcare, Inc.

  • General Acute Care Hospital
  • Baltimore, MD
  • NPI 1245274901
  Care Compare affiliation

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

{
    "created_epoch": "1459296000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761782400000",
    "number": "1407219397",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "22 S GREENE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212011544",
            "telephone_number": "410-328-5878"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22 S GREENE ST",
            "city": "BALTIMORE",
            "state": "MD",
            "postal_code": "212011544",
            "telephone_number": "410-328-5878"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FLENTJE",
        "first_name": "ALISON",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2016-03-30",
        "last_updated": "2025-10-30",
        "certification_date": "2025-10-30",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2086S0129X",
            "taxonomy_group": "",
            "desc": "Surgery, Vascular Surgery",
            "state": "MD",
            "license": "D0103874",
            "primary": true
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "MD",
            "license": "D0103874",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Cheri Fleming
• Loretta Fleming
• Myron Norwood Fleming III, LCSW-C
• Tyrone Fleming, LICENSE CLINICIAN
• William Patton Fleming Sr., PA-C
• Rachel Fletcher-Slater, DO, MPH
• Adrianna D Fletcher
• Ayonna Fletcher
• Carnecia Monique Fletcher, LCSW-C
• Christopher M Fletcher

• Vascular Surgery Physician in Baltimore, MD
• Providers in Baltimore, MD by specialty
• Vascular Surgery Physician in Maryland

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