Metabolism Associates PC

Primary specialty

Nephrology PhysicianTaxonomy code 207RN0300X

Legal business name

METABOLISM ASSOCIATES PC

Practice address

136 Sherman Ave
Suite 405
New Haven, CT 06511-5238

Phone

(203) 787-0117

Fax

(203) 777-3559

NPI assigned

Nov 8, 2005

Organization subpart

No

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

Authorized official

Name

Jennifer Matson Halloran

Title

Practice Administrator

Phone

(203) 787-0117

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in CT

Enrollment records 1

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Locations

Practitioners 32

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Hugh B Carey, MD

  • Nephrology Physician
  • New Haven, CT
  • NPI 1255327276
  Medicare reassignment Care Compare group NPD
• Eric Joseph Chacko, M.D.

  • Nephrology Physician
  • New Haven, CT
  • NPI 1437654662
  Medicare reassignment Care Compare group NPD
• Sue Chang, MD

  • Nephrology Physician
  • New Haven, CT
  • NPI 1528054848
  Medicare reassignment Care Compare group NPD
• Thomas D Eisen, MD

  • Nephrology Physician
  • New Haven, CT
  • NPI 1427044684
  Medicare reassignment Care Compare group NPD
• Joni H Hansson, MD

  • Nephrology Physician
  • New Haven, CT
  • NPI 1760478077
  Medicare reassignment Care Compare group NPD
• Shirin Shirani, MD

  • Nephrology Physician
  • New Haven, CT
  • NPI 1891781191
  Medicare reassignment Care Compare group NPD
• Danwen Yang

  • Nephrology Physician
  • Bridgeport, CT
  • NPI 1154740306
  Medicare reassignment Care Compare group NPD
• Peter H Juergensen, PA C

  • Physician Assistant
  • New Haven, CT
  • NPI 1982699799
  Medicare reassignment Care Compare group
• Laura Troidle, PAC

  • Physician Assistant
  • New Haven, CT
  • NPI 1548256282
  Medicare reassignment Care Compare group
• Fredric O Finkelstein, MD

  • Nephrology Physician
  • New Haven, CT
  • NPI 1851387088
  Medicare reassignment NPD
• Alan S Kliger, MD

  • Nephrology Physician
  • New Haven, CT
  • NPI 1619963923
  Medicare reassignment NPD
• Sunita Chhabra, M.D.

  • Internal Medicine Physician
  • Hamden, CT
  • NPI 1568496552
  NPD (past)

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

{
    "created_epoch": "1131408000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1756771200000",
    "number": "1861473787",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "136 SHERMAN AVE",
            "address_2": "SUITE 405",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065115238",
            "telephone_number": "203-787-0117",
            "fax_number": "203-777-3559"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "136 SHERMAN AVE",
            "address_2": "SUITE 405",
            "city": "NEW HAVEN",
            "state": "CT",
            "postal_code": "065115238",
            "telephone_number": "203-787-0117",
            "fax_number": "203-777-3559"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "METABOLISM ASSOCIATES PC",
        "organizational_subpart": "NO",
        "enumeration_date": "2005-11-08",
        "last_updated": "2025-09-02",
        "certification_date": "2025-09-02",
        "status": "A",
        "authorized_official_last_name": "HALLORAN",
        "authorized_official_first_name": "JENNIFER",
        "authorized_official_middle_name": "MATSON",
        "authorized_official_title_or_position": "PRACTICE ADMINISTRATOR",
        "authorized_official_telephone_number": "203-787-0117"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Internal Medicine, Nephrology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "004001582",
            "state": "CT"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Katina Marie Messier
• Robert David Messina, MD
• Tara Marie Messina
• Elizabeth Theresa Messineo, MD, MPH
• Joan M Messner, CNM
• Lindsey Metcalfe, LMSW
• Marla Metevier, DPT
• Shambavi Metgud, MD
• Metro Pharmacy LLC
• Lorianne Meus, APRN

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 2, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• 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.