HHC Physician Services, PLLC

Primary specialty

Pulmonary Disease PhysicianTaxonomy code 207RP1001X

Legal business name

HHC PHYSICIAN SERVICES, PLLC

Practice address

350 Goose LN Ste 203B
Guilford, CT 06437-2492

Phone

(203) 738-7700

Fax

(203) 689-6500

NPI assigned

Jan 13, 2025

Last updated

Jan 15, 2026By the provider in NPPES

Organization subpart

Yes

Parent organization

HARTFORD HEALTHCARE MEDICAL GROUP SPECIALISTS, PLLCAs reported in NPPES

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

Authorized official

Name

David B Simon, MDNPI 1811983125

Title

MD, Ceo

Phone

(203) 488-7228

Specialties & licenses 3

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

  • Internal Medicine Physician
  • Branford, CT
  • NPI 1669075610

  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 Group Specialists LLC

Locations

Practitioners 174

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
  NPD Authorized official
• Adedayo Adetola, M.D.

  • Internal Medicine Physician
  • New Haven, CT
  • NPI 1861498685
  NPD
• Bayode Ademola Afolalu, M.D.

  • Nephrology Physician
  • Orange, CT
  • NPI 1548442726
  NPD
• David Irving Allyn, PA-C

  • Physician Assistant
  • West Haven, CT
  • NPI 1912321803
  NPD
• Allison Marie Altenburger, APRN, NP-C

  • Adult Health Nurse Practitioner
  • West Haven, CT
  • NPI 1033503230
  NPD
• Evan Angelus, MD

  • Internal Medicine Physician
  • West Haven, CT
  • NPI 1538788609
  NPD
• John M. Aversa Jr., D.O

  • Colon & Rectal Surgery Physician
  • Hamden, CT
  • NPI 1588830699
  NPD
• Banyatie Bah-Traore

  • Family Nurse Practitioner
  • South Windsor, CT
  • NPI 1700751542
  NPD
• Lu Bai, CNP

  • Gerontology Nurse Practitioner
  • Branford, CT
  • NPI 1972356780
  NPD
• Fabiola Sara Balarezo, M.D.

  • Anatomic Pathology & Clinical Pathology Physician
  • Shelton, CT
  • NPI 1134121064
  NPD
• Horatiu C. Balas, M.D.

  • Internal Medicine Physician
  • West Haven, CT
  • NPI 1720084320
  NPD
• Joseph Balsamo, M.D.

  • Internal Medicine Physician
  • Guilford, CT
  • NPI 1487650222
  NPD

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

{
    "created_epoch": "1736726400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1768435200000",
    "number": "1962212779",
    "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": "191820415",
            "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": "350 GOOSE LN STE 203B",
            "city": "GUILFORD",
            "state": "CT",
            "postal_code": "064372492",
            "telephone_number": "203-738-7700",
            "fax_number": "203-689-6500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "322 E Main St Ste 1B",
            "address_purpose": "LOCATION",
            "city": "Branford",
            "state": "CT",
            "postal_code": "064053136",
            "country_code": "US",
            "telephone_number": "203-488-7228",
            "fax_number": "203-488-7227",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "250 Indian River Rd Ste 300",
            "address_purpose": "LOCATION",
            "city": "Orange",
            "state": "CT",
            "postal_code": "064773695",
            "country_code": "US",
            "telephone_number": "203-738-7700",
            "fax_number": "203-689-6500",
            "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, PLLC",
        "enumeration_date": "2025-01-13",
        "last_updated": "2026-01-15",
        "certification_date": "2026-01-15",
        "status": "A",
        "authorized_official_last_name": "SIMON",
        "authorized_official_first_name": "DAVID",
        "authorized_official_middle_name": "B",
        "authorized_official_title_or_position": "MD, CEO",
        "authorized_official_telephone_number": "203-488-7228",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "207RS0012X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Sleep Medicine",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Jiean Joseph Heifetz-Li, DMD, MPH
• James Heise, D.D.S.
• Nupur Narain Heise
• David Hernandez Jr., FNP-C
• Sara Hernandez, LCSW
• Jennifer S Higgins, L.P.C.
• Mallory Hill, DPT
• Ann M Hoefer, MD
• Holistic Psychotherapy
• Charles Hollander, MD

• Pulmonary Disease Physician in Guilford, CT
• Providers in Guilford, CT by specialty
• Pulmonary Disease Physician in Connecticut

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 15, 2026; 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.