Individual provider Active NPI

Mariam Sajjad Baig, MD

  • Cardiovascular Disease Physician
  • New Haven, CT
National Provider Identifier
1033613559
Registry record updated Nov 6, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
2025046233 Issued in MO
Practice address
20 York St
New Haven, CT 06510-3220
Phone
(203) 688-4242
NPI assigned
Mar 20, 2018
Last updated
Nov 6, 2025By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 6, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X 2025046233 MO Primary

Addresses

Primary practice location

20 York St
New Haven, CT 06510-3220

Mailing address

20 York St
New Haven, CT 06510-3220
Phone (203) 688-4242

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20251106004063 MO Practitioner - Cardiovascular Disease (Cardiology) 6709132558 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)
Education
University of Missouri, Kansas City, School of Medicine, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Cardiac Specialists of St Lukes LLCGroup PAC ID 6709810880, 8 clinicians

Practice addresses (Care Compare)

222 S Woods Mill Rd
500N
Chesterfield, MO 63017-3640
Phone (314) 205-6699

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
2025046233MOMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Cardiac Specialists of St Luke's, LLC Cardiovascular Disease CurrentSince Nov 3, 2025 Accepting new patients
St. Lukes Medical Group Past Accepting new patients

Locations

222 S Woods Mill Rd
Ste 500N
Chesterfield, MO 63017
Phone (314) 205-6699

Interoperability endpoints

  • Direct secure messaging: mbaig659889@direct.ynhh.org

Organizations & group practices 2

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.

Hospital & facility affiliations 1

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

NPI Registry JSON

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

{
    "created_epoch": "1521504000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1762387200000",
    "number": "1033613559",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "20 YORK ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103220",
            "telephone_number": "203-688-4242"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "20 YORK ST",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103220",
            "telephone_number": "203-688-4242"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BAIG",
        "first_name": "MARIAM",
        "middle_name": "SAJJAD",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-03-20",
        "last_updated": "2025-11-06",
        "certification_date": "2025-11-06",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "MO",
            "license": "2025046233",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in New Haven, CT

Sources for this page

Verify at the official NPI Registry.