HHC Physician Services, PLLC

Primary specialty

Internal Medicine PhysicianTaxonomy code 207R00000X

Legal business name

HHC PHYSICIAN SERVICES, PLLC

Practice address

322 E Main St Ste 1B
Branford, CT 06405-3136

Phone

(203) 488-7228

Fax

(203) 488-7227

NPI assigned

Nov 20, 2020

Last updated

Apr 25, 2025By the provider in NPPES

Organization subpart

Yes

Parent organization

HARTFORD HEALTHCARE MEDICAL GROUP SPECIALISTS, LLCAs reported in NPPES

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

Authorized official

Name

David Simon, MDNPI 1811983125

Title

MD, Ceo

Phone

(203) 488-7228

Specialties & licenses 15

Addresses

Medicare fee-for-service enrollment

Enrolled in CT

Enrollment records 1

Other NPIs on the same Medicare enrollment 2

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

• HHC Physician Services, PLLC

  • Physical Medicine & Rehabilitation Physician
  • Branford, CT
  • NPI 1609530237

  O20210205000922

  Same enrollment
• HHC Physician Services, PLLC

  • Pulmonary Disease Physician
  • Guilford, CT
  • NPI 1962212779

  O20210205000922

  Same enrollment

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

CLIA laboratory certificates

Part of

Hartford Healthcare Medical

Locations

Practitioners 169

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

• David B Simon, MD

  • Nephrology Physician
  • Orange, CT
  • NPI 1811983125
  Medicare reassignment Care Compare group NPD Authorized official
• Adedayo Adetola, M.D.

  • Internal Medicine Physician
  • New Haven, CT
  • NPI 1861498685
  Medicare reassignment Care Compare group NPD
• Bayode Ademola Afolalu, M.D.

  • Nephrology Physician
  • Orange, CT
  • NPI 1548442726
  Medicare reassignment Care Compare group NPD
• David Irving Allyn, PA-C

  • Physician Assistant
  • West Haven, CT
  • NPI 1912321803
  Medicare reassignment Care Compare group NPD
• Allison Marie Altenburger, APRN, NP-C

  • Adult Health Nurse Practitioner
  • West Haven, CT
  • NPI 1033503230
  Medicare reassignment Care Compare group NPD
• Evan Angelus, MD

  • Internal Medicine Physician
  • West Haven, CT
  • NPI 1538788609
  Medicare reassignment Care Compare group NPD
• John M. Aversa Jr., D.O

  • Colon & Rectal Surgery Physician
  • Hamden, CT
  • NPI 1588830699
  Medicare reassignment Care Compare group NPD
• Horatiu C. Balas, M.D.

  • Internal Medicine Physician
  • West Haven, CT
  • NPI 1720084320
  Medicare reassignment Care Compare group NPD
• Joseph Balsamo, M.D.

  • Internal Medicine Physician
  • Guilford, CT
  • NPI 1487650222
  Medicare reassignment Care Compare group NPD
• Katelyn Baron, ACNP

  • Adult Health Nurse Practitioner
  • West Haven, CT
  • NPI 1023755741
  Medicare reassignment Care Compare group NPD
• Brynna Bascetta, APRN

  • Nurse Practitioner
  • Torrington, CT
  • NPI 1932842630

  Adult Health

  Medicare reassignment Care Compare group NPD
• Lindsey Bertholet, APRN FNP-C

  • Family Nurse Practitioner
  • West Haven, CT
  • NPI 1528834678
  Medicare reassignment Care Compare group NPD

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

{
    "created_epoch": "1605830400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1745539200000",
    "number": "1669075610",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 830415",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191820521",
            "telephone_number": "203-488-7228",
            "fax_number": "203-488-7227"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "322 E MAIN ST STE 1B",
            "city": "BRANFORD",
            "state": "CT",
            "postal_code": "064053136",
            "telephone_number": "203-488-7228",
            "fax_number": "203-488-7227"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2200 Whitney Ave Ste 360",
            "address_purpose": "LOCATION",
            "city": "Hamden",
            "state": "CT",
            "postal_code": "065183602",
            "country_code": "US",
            "telephone_number": "203-281-4463",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1291 Boston Post Rd Ste 200",
            "address_purpose": "LOCATION",
            "city": "Madison",
            "state": "CT",
            "postal_code": "064433476",
            "country_code": "US",
            "telephone_number": "203-421-0444",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1 Cellini Pl Ste 102",
            "address_purpose": "LOCATION",
            "city": "West Haven",
            "state": "CT",
            "postal_code": "065161666",
            "country_code": "US",
            "telephone_number": "203-932-6481",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2200 Whitney Ave Ste 170",
            "address_purpose": "LOCATION",
            "city": "Hamden",
            "state": "CT",
            "postal_code": "065183694",
            "country_code": "US",
            "telephone_number": "203-281-7000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2080 Whitney Ave Ste 240",
            "address_purpose": "LOCATION",
            "city": "Hamden",
            "state": "CT",
            "postal_code": "065183603",
            "country_code": "US",
            "telephone_number": "203-281-6228",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1622 Boston Post Rd",
            "address_purpose": "LOCATION",
            "city": "Milford",
            "state": "CT",
            "postal_code": "064602776",
            "country_code": "US",
            "telephone_number": "203-713-5500",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "235 Boston Post Rd Ste 202",
            "address_purpose": "LOCATION",
            "city": "Orange",
            "state": "CT",
            "postal_code": "064773229",
            "country_code": "US",
            "telephone_number": "203-799-1252",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "HHC PHYSICIAN SERVICES, PLLC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "HARTFORD HEALTHCARE MEDICAL GROUP SPECIALISTS, LLC",
        "enumeration_date": "2020-11-20",
        "last_updated": "2025-04-25",
        "certification_date": "2025-04-25",
        "status": "A",
        "authorized_official_last_name": "SIMON",
        "authorized_official_first_name": "DAVID",
        "authorized_official_title_or_position": "MD, CEO",
        "authorized_official_telephone_number": "203-488-7228",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "NU",
            "license": null,
            "primary": true
        },
        {
            "code": "207RE0101X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Endocrinology, Diabetes & Metabolism",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "207RR0500X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Rheumatology",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "208C00000X",
            "taxonomy_group": "",
            "desc": "Colon & Rectal Surgery",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "363LA2100X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Acute Care",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "363LA2200X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Adult Health",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "363LG0600X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Gerontology",
            "state": "NU",
            "license": null,
            "primary": false
        },
        {
            "code": "363LP2300X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Primary Care",
            "state": "NU",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jean Guiness Henry, M.D.
• Anthony James Hernandez, OD
• Alexandria Hershman, LPC, PMH-C
• Keri Alissa Herzog, M.D.
• HHC Physician Services, PLLC
• Joan Hoey, LCSW
• Ellen Joy Hoffman, M.D.
• Tessa Hoffmann Kramer, AUD
• Nadine G Hokayem, N.D
• Adara Marie Holecz, LMSW

• Internal Medicine Physician in Branford, CT
• Providers in Branford, CT by specialty
• Internal Medicine Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 25, 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.