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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

TAMMY MARIE DUGAN
NPI 1275203598
Clinic/Center - Methadone in Manchester, NH

Active since September 17, 2021
20 MARKET ST, MANCHESTER, NH 03101(603) 622-4747 Get Directions Write a Review

NPPES record last updated: July 19, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jul 19, 2026, Sep 17, 2021 (2 updates tracked since 2021).

About Tammy Marie Dugan NPPES

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

TAMMY MARIE DUGAN (NPI 1275203598) is an individual methadone provider in Manchester, New Hampshire, licensed in New Hampshire (014527-22) and active in the NPI registry since September 2021.

NPPES Registry Identity

NPI1275203598
Entity TypeIndividualFemale
Primary Taxonomy261QM2800X
Provider Legal NameTAMMY MARIE DUGAN
Location Address20 MARKET STManchester, NH 03101-1957
Mailing Address20 Market StManchester, NH 03101-1957 · (603) 622-4747
Phone(603) 622-4747
Sole ProprietorYes
Enumeration DateSeptember 17, 2021
Last NPPES UpdateJuly 19, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 17, 2021
✔ NPI 1275203598 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · MethadoneAmbulatory Health Care Facilities
Taxonomy Code261QM2800X
License✔ Licensed in NH · 014527-22
Definition
An entity, facility, or distinct part of a facility providing diagnostic, and replacement maintenance treatment services related to individuals with drug addiction.
20 MARKET ST, Manchester, NH 03101
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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.

KYLE D HASKELL
Counselor (Addiction (Substance Use Disorder))
20 MARKET ST
MANCHESTER, NH 03101
Hillsborough County (603) 622-4747
HABIT OPCO, LLC
Clinic/Center (Methadone)
20 MARKET ST
MANCHESTER, NH 03101
Hillsborough County (603) 622-4747
MRS. CHRISTINE M FINLAYSON SAC
Counselor (Addiction (Substance Use Disorder))
20 MARKET ST
MANCHESTER, NH 03101
Hillsborough County (978) 674-7575
MS. JESSICA A WHEELER ADS, CRSW
Counselor (Addiction (Substance Use Disorder))
20 MARKET ST
MANCHESTER, NH 03101
Hillsborough County (603) 487-6727
SANDRA GROETZINGER MS
Counselor (Addiction (Substance Use Disorder))
20 MARKET ST
MANCHESTER, NH 03101
Hillsborough County (603) 622-4747
KATLYN ROY
Counselor (Addiction (Substance Use Disorder))
20 MARKET ST
MANCHESTER, NH 03101
Hillsborough County (603) 622-4747
JOHN ROGERS
Counselor (Addiction (Substance Use Disorder))
20 MARKET ST
MANCHESTER, NH 03101
Hillsborough County (603) 622-4747
MRS. NANCY JEAN RICHARD RN
Registered Nurse (Addiction (Substance Use Disorder))
20 MARKET ST
MANCHESTER, HI 03101
Hillsborough County (603) 622-4747

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 Tammy Dugan's NPI number?

The NPI number for Tammy Dugan is 1275203598. It was assigned to this individual provider in the NPPES registry on September 17, 2021.

Where is Tammy Dugan located?

Tammy Dugan practices at 20 Market St, Manchester, NH 03101. The listed phone number is (603) 622-4747.

What is Tammy Dugan's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Methadone, with taxonomy code 261QM2800X.

When was this NPI record last updated?

The NPPES record for Tammy Dugan was last updated on July 19, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.