Cathleen Peterson-Layne, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

73318 Issued in CT

Practice address

20 York St
New Haven, CT 06510-3220

Phone

(919) 475-6443

NPI assigned

Oct 25, 2006

Sex

Female

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 CT, NH2 enrollments

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 2

Specialty

Anesthesiology

Education

Other, 1998

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Dartmouth-Hitchcock ClinicGroup PAC ID 4183537509, 1,445 clinicians

Yale UniversityGroup PAC ID 9436061736, 2,632 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Yale-New Haven Hospital Hospital, New Haven, CT, CCN 070022
• Mary Hitchcock Memorial Hospital Hospital, Lebanon, NH, CCN 300003

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

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: cpetersonlayne610320@direct.ynhh.org

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.

• Yale University

  dba Yale Medicine

  • Anesthesiology Physician
  • New Haven, CT
  • NPI 1205822236
  Medicare reassignment Care Compare group NPD
• Dartmouth-Hitchcock Clinic

  • Internal Medicine Physician
  • Lebanon, NH
  • NPI 1548210198
  Medicare reassignment Care Compare group
• Mary Hitchcock Memorial Hospital

  • General Acute Care Hospital
  • Lebanon, NH
  • NPI 1023092053
  Medicare reassignment
• Yale University

  • Durable Medical Equipment & Medical Supplies
  • Fairfield, CT
  • NPI 1548066962
  NPD

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

• Yale New Haven Hospital

  • General Acute Care Hospital
  • New Haven, CT
  • NPI 1336139500
  Care Compare affiliation
• Yale New Haven Hospital

  • General Acute Care Hospital
  • New Haven, CT
  • NPI 1578778726
  Care Compare affiliation
• Mary Hitchcock Memorial Hospital

  • General Acute Care Hospital
  • Lebanon, NH
  • NPI 1023092053
  Care Compare affiliation
• Mary Hitchcock Memorial Hospital

  dba MHMH Regional Services

  • General Acute Care Hospital
  • Lebanon, NH
  • NPI 1629788237
  Care Compare affiliation

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

{
    "created_epoch": "1161734400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776643200000",
    "number": "1629152517",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "333 CEDAR ST # STREET3",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065103206"
        },
        {
            "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": "919-475-6443"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Medical Center Dr",
            "address_purpose": "LOCATION",
            "city": "Lebanon",
            "state": "NH",
            "postal_code": "037561000",
            "country_code": "US",
            "telephone_number": "603-650-5000",
            "fax_number": "603-640-1228",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "PETERSON-LAYNE",
        "first_name": "CATHLEEN",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-10-25",
        "last_updated": "2026-04-20",
        "certification_date": "2026-04-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "CT",
            "license": "73318",
            "primary": true
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "NH",
            "license": "39392",
            "primary": false
        },
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "NC",
            "license": "2000-00112",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Julie Elizabeth Peters, MD
• Nicholas Peters, MD
• Pamela Jean Petersen-Crair, MD
• Kitt Petersen, MD
• Nils H Petersen, M.D.
• Ryan Peterson
• Mark Pethick, DMD
• Eligio Anthony Petrelli, M.D.
• Ognen A C Petroff, MD
• Adina Elena Petrosan, PHARMD

• Anesthesiology Physician in New Haven, CT
• Providers in New Haven, CT by specialty
• Anesthesiology Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 20, 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.