Robert I. Orenstein, D.M.D.

Primary specialty

General Practice DentistryTaxonomy code 1223G0001X

License

13108 Issued in MA

Practice address

Sunflower Market Place RT 6a
Yarmouth Port, MA 02675

Phone

(508) 362-8188

Fax

(508) 362-8217

NPI assigned

May 27, 2005

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

HHS exclusion list flag

Flagged The directory lists this NPI on an HHS exclusion list. Confirm with the OIG exclusions search.

State licenses

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.

• Cape Cod Restoritive & Cosmetic Dentistry

  • Dentist
  • Yarmouth Port, MA
  • NPI 1972719672
  Authorized official Same address or phone

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

{
    "created_epoch": "1117152000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1871596437",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "SUNFLOWER MARKET PLACE RT 6A",
            "city": "YARMOUTH PORT",
            "state": "MA",
            "postal_code": "02675",
            "telephone_number": "508-362-8188",
            "fax_number": "508-362-8217"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "SUNFLOWER MARKET PLACE RT 6A",
            "city": "YARMOUTH PORT",
            "state": "MA",
            "postal_code": "02675",
            "telephone_number": "508-362-8188",
            "fax_number": "508-362-8217"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ORENSTEIN",
        "first_name": "ROBERT",
        "middle_name": "I.",
        "name_prefix": "Dr.",
        "credential": "D.M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-05-27",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1223G0001X",
            "taxonomy_group": "",
            "desc": "Dentist, General Practice",
            "state": "MA",
            "license": "13108",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Carlos A Negron
• Joe A Nguyen, D.M.D.
• Leif R. Norenberg, M.D.
• Virginia Claire O'Brien, LICSW
• Lilly Anne Oliveira
• Emily Vandoren Pardue, RN, MSN, CPNP, PMHNP
• Catherine Pare, LICSW
• Lisa Peirce, BS
• Nicole Peltier, LCSW
• Karen A NN Penta, LMHC

• General Practice Dentistry in Yarmouth Port, MA
• Providers in Yarmouth Port, MA by specialty
• General Practice Dentistry in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; OIG LEIE.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.