Individual provider

Adrian O'donnell, MA, LMFT

Marriage & Family Therapist

Adrian O'donnell, MA, LMFT is a Marriage & Family Therapist in Wilton, CT, registered under NPI 1649885617. NPPES records them as a sole proprietor, meaning the practice is not incorporated as a separate legal entity.

Getting there

The practice address on file is 17 HANFORD LN, Wilton, CT 06897. We have not yet mapped what surrounds this office — parking, transit, and nearby pharmacies are added as our data collection reaches each location.

17 HANFORD LN, Wilton, CT 06897 Open in Google Maps →

Credentials and Medicare

State licence
LicenceStateSpecialty
37FI00241800 NJ Marriage & Family Therapist
LMFT120650 CA Marriage & Family Therapist primary
3508 CT Marriage & Family Therapist
TPMF620 FL Marriage & Family Therapist
002767 NY Marriage & Family Therapist

Licences are recorded in 5 states: NJ, CA, CT, FL, NY. Providers licensed in several states often practise near a state border or deliver telehealth across state lines.

Medicare (PECOS)

This NPI does not appear in the PECOS Medicare enrolment file. Providers who do not bill Medicare — or who bill only through a group's enrolment — will not appear here. It is not a sign of any problem with the registration.

Licensed in 5 states

This provider holds licences in 5 states: California, Connecticut, Florida, New Jersey and New York. The practice address on file is in Wilton, CT, but a licence in another state usually means they see patients there too — either at a second location or by telehealth. If the address above is far from you, it is worth calling to ask whether they practise closer to where you live.

CA California
Licence
LMFT120650
Specialty
Marriage & Family Therapist
Verify with the CA board →
CT Connecticut practice address
Licence
3508
Specialty
Marriage & Family Therapist
Verify with the CT board →
FL Florida
Licence
TPMF620
Specialty
Marriage & Family Therapist
Verify with the FL board →
NJ New Jersey
Licence
37FI00241800
Specialty
Marriage & Family Therapist
Verify with the NJ board →
NY New York
Licence
002767
Specialty
Marriage & Family Therapist
Verify with the NY board →

Licence numbers are self-reported to NPPES at registration. They do not confirm a licence is currently active, in good standing, or valid for the specialty shown — only the state board can tell you that, which is why we link to each one.

What Marriage & Family Therapist covers

A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups. NUCC Health Care Provider Taxonomy, code 106H00000X
Behavioral Health & Social Service Providers Marriage & Family Therapist

All registered taxonomy codes

This provider registers 5 taxonomy codes. The primary code is what appears on most claims; the others record additional recognised specialties.

CodeSpecialtyLicenceState
106H00000X Marriage & Family Therapist 37FI00241800 NJ
106H00000X Marriage & Family Therapist LMFT120650 CA primary
106H00000X Marriage & Family Therapist 3508 CT
106H00000X Marriage & Family Therapist TPMF620 FL
106H00000X Marriage & Family Therapist 002767 NY

The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.

Full NPPES record

An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.

NPI1649885617 valid check digit
Entity typeIndividual (NPI-1)
Enumeration dateSep 15, 2020
Last updatedMay 21, 2026
StatusActive
Sole proprietorYes
GenderMale
CredentialMA, LMFT
Practice address 17 HANFORD LN
Wilton, CT 06897
(323) 508-3294
This record was updated on May 21, 2026, which is recent enough that the contact details are likely still accurate.

Number check

1649885617 passes the NPI check digit test The final digit 7 matches the value computed from the first nine digits, so this is a well-formed NPI.
How the check works, step by step

Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.

Digit 8 0 8 4 0 1 6 4 9 8 8 5 6 1
Doubled? ×2 ×2 ×2 ×2 ×2 ×2 ×2
Value 8 0 8 8 0 2 6 8 9 7 8 1 6 2

Sum = 73 · next multiple of 10 = 80 · check digit = 7 · actual last digit = 7

A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.

Common questions

What is NPI number 1649885617?
NPI 1649885617 is the National Provider Identifier assigned to Adrian O'donnell, MA, LMFT in Wilton, CT. It is a 10-digit number issued by the Centers for Medicare & Medicaid Services and used on claims, referrals, and prescriptions to identify the provider.
What does Marriage & Family Therapist cover?
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state…
How do I contact Adrian O'donnell, MA, LMFT?
The phone number on file with NPPES is (323) 508-3294, last updated May 21, 2026. Because NPPES is only updated when a provider files a change, call ahead to confirm the number and the current practice address before visiting.
Is NPI 1649885617 a valid number?
Yes. 1649885617 passes the Luhn check digit validation that CMS uses for NPI numbers, and it resolves to an active record in the registry.
How to use this page. Everything here comes from public federal records. Tips Health does not verify quality of care, confirm that a licence is currently active, or check malpractice history, and accepts no fees for placement. A listing is not a recommendation. Verify independently before seeking care.