Individual provider Active NPI

Chester Isler III, DCFT

  • Marriage & Family Therapist
  • Philadelphia, PA
National Provider Identifier
1093414401
Registry record updated Apr 15, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Marriage & Family TherapistTaxonomy code 106H00000X
License
MF001792 Issued in PA
Practice address
1400 Reed St
Philadelphia, PA 19146-4823
Phone
(215) 755-0500
NPI assigned
Feb 24, 2023
Last updated
Apr 15, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Apr 15, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Marriage & Family Therapist 106H00000X MF001792 PA Primary

Addresses

Primary practice location

1400 Reed St
Philadelphia, PA 19146-4823

Mailing address

6704 Malvern Ave
Philadelphia, PA 19151-3020

Other practice location 1

11082 Knights Rd
Philadelphia, PA 19154-3511
Phone (215) 632-9040

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

State licenses

LicenseStateTypeSpecialty
MF001792PAMDMarriage & Family Therapist

NPI Registry JSON

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

{
    "created_epoch": "1677196800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1776211200000",
    "number": "1093414401",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6704 MALVERN AVE",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191513020"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1400 REED ST",
            "city": "PHILADELPHIA",
            "state": "PA",
            "postal_code": "191464823",
            "telephone_number": "215-755-0500"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "11082 Knights Rd",
            "address_purpose": "LOCATION",
            "city": "Philadelphia",
            "state": "PA",
            "postal_code": "191543511",
            "country_code": "US",
            "telephone_number": "215-632-9040",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ISLER",
        "first_name": "CHESTER",
        "name_prefix": "Dr.",
        "name_suffix": "III",
        "credential": "DCFT",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2023-02-24",
        "last_updated": "2026-04-15",
        "certification_date": "2026-04-15",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106H00000X",
            "taxonomy_group": "",
            "desc": "Marriage & Family Therapist",
            "state": "PA",
            "license": "MF001792",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Philadelphia, PA

Sources for this page

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