Mark R Dell, PSY.D.

Primary specialty

PsychologistTaxonomy code 103T00000X

License

35SI00480700 Issued in NJ

Practice address

21 New Jersey 31
Suite A6A
Pennington, NJ 08534-1621

Phone

(609) 439-6526

NPI assigned

Mar 15, 2010

Last updated

Oct 5, 2026By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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)

Enrolled

State licenses

Practice roles

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.

• Mark R. Dell, Psy.D L.L.C.

  • Community/Behavioral Health Agency
  • Hamilton SQ, NJ
  • NPI 1285941054
  Authorized official Same address or phone
• Vericare Behavioral Health of New Jersey, P.a.

  • Clinical Psychologist
  • San Diego, CA
  • NPI 1669408274
  NPD (past)

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

{
    "created_epoch": "1268611200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1791158400000",
    "number": "1053635409",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "21 NJ-31",
            "address_2": "SUITE A6A",
            "city": "PENNINGTON",
            "state": "NJ",
            "postal_code": "085341621",
            "telephone_number": "609-439-6526"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "21 NEW JERSEY 31",
            "address_2": "SUITE A6A",
            "city": "PENNINGTON",
            "state": "NJ",
            "postal_code": "085341621",
            "telephone_number": "609-439-6526"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DELL",
        "first_name": "MARK",
        "middle_name": "R",
        "name_prefix": "Dr.",
        "credential": "PSY.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2010-03-15",
        "last_updated": "2026-10-05",
        "certification_date": "2026-10-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "NJ",
            "license": "35SI00480700",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Donald J Debrakeleer, DO
• Amanda Decker, CRNP, PMHNP
• Yoganand Deendyal, MD
• Lise Deguire, PSY.D.
• Stacey Ann Delaney, APN, CRNA
• Joseph Michael Dellacroce, MD
• Carla Marie Delre, LPC
• Johanna B. Demirjian, NP
• Yingzi Deng, M.D., M.S
• Dental Care of Hopewell Crossing,LLC

• Psychologist in Pennington, NJ
• Providers in Pennington, NJ by specialty
• Psychologist in New Jersey

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 5, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.