Kathryn M Sapp, M.S., BCBA

Primary specialty

Behavior AnalystTaxonomy code 103K00000X

License

48 Issued in MA

Practice address

263 Groton Rd
North Chelmsford, MA 01863-1210

Phone

(508) 654-9441

Fax

(978) 545-9080

NPI assigned

Nov 16, 2011

Last updated

Mar 23, 2026By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other identifiers 7

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Master of Science

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.

• Tendernest Behavioral Group, LLC

  • Behavior Analyst
  • North Chelmsford, MA
  • NPI 1558212050
  NPD Authorized official
• The Edinburg Center Inc

  • Psychiatry Physician
  • Bedford, MA
  • NPI 1073617353

  Single Specialty

  NPD (past)

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

{
    "created_epoch": "1321401600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774224000000",
    "number": "1730466921",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "263 GROTON RD",
            "city": "NORTH CHELMSFORD",
            "state": "MA",
            "postal_code": "018631210",
            "telephone_number": "508-654-9441",
            "fax_number": "978-545-9080"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "263 GROTON RD",
            "city": "NORTH CHELMSFORD",
            "state": "MA",
            "postal_code": "018631210",
            "telephone_number": "508-654-9441",
            "fax_number": "978-545-9080"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SAPP",
        "first_name": "KATHRYN",
        "middle_name": "M",
        "credential": "M.S., BCBA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2011-11-16",
        "last_updated": "2026-03-23",
        "certification_date": "2026-03-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103K00000X",
            "taxonomy_group": "",
            "desc": "Behavior Analyst",
            "state": "MA",
            "license": "48",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "TAX ID",
            "identifier": "042611055",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NETWORK HEALTH",
            "identifier": "99618201",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MBHP",
            "identifier": "1303287",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "M18633",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "NHP",
            "identifier": "1004745",
            "state": "MA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1303287",
            "state": "MA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BMC",
            "identifier": "0000023532",
            "state": "MA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Marguerite Jean Ryan, LMFT, CADAC II
• Paige Katherine Ryan, PT, DPT
• S & P Dental Hygiene Care Corp (Easy Access Dental Hygiene Care)
• Nari Sabeti, MD
• Safecare Afc
• Kyle Aaron Scarano, MD
• Jessica Taryn Schlenker, MS
• Chloe Devon Schneider, FNP
• Julia Alden Sementelli
• Nikunjbala Amit Shah

• Behavior Analyst in North Chelmsford, MA
• Providers in North Chelmsford, MA by specialty
• Behavior Analyst in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 23, 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.