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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MARGARET CAHILL
NPI 1629972492
Counselor - Addiction (Substance Use Disorder) in South Yarmouth, MA

Active since October 06, 2026
31A WORKSHOP RD, SOUTH YARMOUTH, MA 02664(508) 502-7589(508) 398-3478 Get Directions Write a Review

NPPES record added: October 6, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

About Margaret Cahill NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARGARET CAHILL (NPI 1629972492) is an individual addiction (substance use disorder) provider in South Yarmouth, Massachusetts and active in the NPI registry since October 2026.

NPPES Registry Identity

NPI1629972492
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameMARGARET CAHILL
Location Address31A WORKSHOP RDSouth Yarmouth, MA 02664-1210
Mailing Address676 N Falmouth Hwy Apt 1bNorth Falmouth, MA 02556-2163
Phone(508) 502-7589
Fax(508) 398-3478
Sole ProprietorNo
Enumeration DateOctober 6, 2026
NPPES CertifiedOctober 6, 2026
✔ NPI 1629972492 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
31A WORKSHOP RD, South Yarmouth, MA 02664
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARIE WARD
Registered Nurse (Addiction (Substance Use Disorder))
31A WORKSHOP RD
SOUTH YARMOUTH, MA 02664
Barnstable County (508) 398-5155
PATRICIA MULHEARN RN
Registered Nurse (Addiction (Substance Use Disorder))
31A WORKSHOP RD
SOUTH YARMOUTH, MA 02664
Barnstable County (508) 398-5155
MISS LORETTA LOUISE HOSFELD
Counselor (Addiction (Substance Use Disorder))
31A WORKSHOP RD
SOUTH YARMOUTH, MA 02664
Barnstable County (508) 398-5155
KATHERINE KELLEY
Registered Nurse (General Practice)
31A WORKSHOP RD
SOUTH YARMOUTH, MA 02664
Barnstable County (508) 398-5155
AMY BART
Licensed Practical Nurse
31A WORKSHOP RD
SOUTH YARMOUTH, MA 02664
Barnstable County (508) 398-5155
KELLY-ANN CHARLAND
Counselor (Addiction (Substance Use Disorder))
31A WORKSHOP RD
SOUTH YARMOUTH, MA 02664
Barnstable County (508) 398-5155
JODI SYLVESTER-DICKERSON
Counselor (Addiction (Substance Use Disorder))
31A WORKSHOP RD
SOUTH YARMOUTH, MA 02664
Barnstable County (508) 398-5155
FREDERICK OCONNOR
Counselor (Addiction (Substance Use Disorder))
31A WORKSHOP RD
SOUTH YARMOUTH, MA 02664
Barnstable County (508) 398-5155

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Margaret Cahill's NPI number?

The NPI number for Margaret Cahill is 1629972492. It was assigned to this individual provider in the NPPES registry on October 6, 2026.

Where is Margaret Cahill located?

Margaret Cahill practices at 31A Workshop Rd, South Yarmouth, MA 02664. The listed phone number is (508) 502-7589.

What is Margaret Cahill's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Margaret Cahill was last updated on October 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.