Individual provider Active NPI

Mark Siegel, MD

  • Pulmonary Disease Physician
  • New Haven, CT
National Provider Identifier
1700861598
Registry record updated Apr 5, 2011
On this page

Key facts

NPPES NPI Registry
Primary specialty
Pulmonary Disease PhysicianTaxonomy code 207RP1001X
License
033081 Issued in CT
Practice address
789 Howard Ave
Fitkin Building, 2ND Floor
New Haven, CT 06519-1304
Phone
(203) 785-4198
Fax
(203) 737-5453
NPI assigned
Dec 14, 2005
Last updated
Apr 5, 2011By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 5, 2011

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 033081 CT
Pulmonary Disease Physician 207RP1001X 033081 CT Primary

Addresses

Primary practice location

789 Howard Ave
Fitkin Building, 2ND Floor
New Haven, CT 06519-1304

Mailing address

789 Howard Ave
Fitkin Building, 2ND Floor
New Haven, CT 06519-1304
Phone (203) 785-4198

Other identifiers 1

IdentifierTypeStateIssuer
001330810MedicaidCT

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CT
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
I20080728000063 CT Practitioner - Pulmonary DiseasePractitioner - Critical Care (Intensivists) 1254404189 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Pulmonary DiseaseAlso: Critical Care (Intensivists)
Education
Columbia University College of Physicians and Surgeons, 1998
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Yale UniversityGroup PAC ID 9436061736, 2,632 clinicians

Practice addresses (Care Compare)

789 Howard Ave
New Haven, CT 06519-1304
Phone (203) 688-2471

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
87.36 of 100Reported as group
Quality
77.36
Promoting interoperability
100
Improvement activities
40
Cost
74.27

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
033081CTMDCritical Care Medicine (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Yale University CurrentSince Jun 30, 1995 Accepting new patients
Yale University CurrentSince Jun 30, 1995 Accepting new patients
Yale University Past Accepting new patients
Gaylord Hospital, Inc. PastSince Sep 8, 2025 Accepting new patients

Locations

789 Howard Ave
Bldg 2ND
New Haven, CT 06519
Phone (203) 785-4198

800 Howard Ave
New Haven, CT 06519
Phone (203) 785-2140

789 Howard Ave
North Haven, CT 06519
Phone (203) 688-2471

50 Gaylord Farm Rd
Wallingford, CT 06492
Phone (203) 679-3553

Interoperability endpoints

  • Direct secure messaging: msiegel8865@direct.ynhh.org

Organizations & group practices 4

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 2

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": "1134518400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1301961600000",
    "number": "1700861598",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "789 HOWARD AVE",
            "address_2": "FITKIN BUILDING, 2ND FLOOR",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065191304",
            "telephone_number": "203-785-4198",
            "fax_number": "203-737-5453"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "789 HOWARD AVE",
            "address_2": "FITKIN BUILDING, 2ND FLOOR",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065191304",
            "telephone_number": "203-785-4198",
            "fax_number": "203-737-5453"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIEGEL",
        "first_name": "MARK",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-14",
        "last_updated": "2011-04-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "CT",
            "license": "033081",
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "CT",
            "license": "033081",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "001330810",
            "state": "CT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in New Haven, CT

Sources for this page

Verify at the official NPI Registry.