NPPES file of Aug 9, 2026

Constance E. Flagg, LADC

Addiction (Substance Use Disorder) Counselor · Keene, NH

Constance E. Flagg, LADC is an addiction (substance use disorder) counselor with a practice address in Keene, New Hampshire, and NPI 1538525472, issued on Jan 7, 2016. Check the license (New Hampshire 352, as entered in NPPES) with the New Hampshire board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1538525472
Name
Constance E. Flagg
Credential
LADC
Primary taxonomy
Addiction (Substance Use Disorder) Counselor 101YA0400X
License number
352 NH
Self-reported in NPPES; status is on the state search
Practice location
33 West St, Keene, NH 03431
Phone
(603) 355-0160
Enumerated
Jan 7, 2016
Record last updated
Jan 7, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(603) 355-0159
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest addiction (substance use disorder) counselor records → All 516 in New Hampshire → Look up another NPI →

Also registered at 33 West St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michael Potter, MLADCAddiction (Substance Use Disorder) Counselor1639534480

Verify Constance E. Flagg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich New Hampshire board licenses this profession
    Search for license 352    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the New Hampshire license search

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Constance E. Flagg among 516 addiction (substance use disorder) counselor records in New Hampshire

Constance E. Flagg, LADC is one of 516 addiction (substance use disorder) counselor records with a practice address in New Hampshire. 4% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2016, is newer than 42% of them.

  • NPI issued2016 · 42% of these records are older, 53% newer
  • In a Medicare fileNo · 4% of these records are
  • In the CMS Doctors and Clinicians fileNo · 8% of these records are
  • Record last updated2016 · 64% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 101YA0400X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

25 addiction (substance use disorder) counselor records list a practice address in Keene

They are 25 of the 1,482 NPPES records with a practice address in Keene, and 516 addiction (substance use disorder) counselor records in New Hampshire. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 516 in New Hampshire → Every provider in Keene → Addiction (Substance Use Disorder) Counselor nationwide →

The 8 addiction (substance use disorder) counselor records with the nearest ZIP codes

  1. Laurie Butz-MeyerroseKeene, NH 034311912483066
  2. Nancy Davis, MA, LADCKeene, NH 034311083892814
  3. Quentin Estey, CRSWKeene, NH 034311982009213
  4. Brian Houghton, LADCKeene, NH 034311538551049
  5. Martha Huckins, LCMHC, MLADCKeene, NH 034311841530367
  6. Victoria Keller, M.A., L.A.D.C.Keene, NH 034311891839957
  7. Peter Lo Iacono, MA, LADCKeene, NH 034311003919051
  8. Allen Penrod, MA, MS, MLADCKeene, NH 034311518354455

Common questions

What is Constance E. Flagg, LADC's NPI number?

Constance E. Flagg, LADC's National Provider Identifier (NPI) is 1538525472, issued on Jan 7, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Constance E. Flagg, LADC located?

The NPPES record lists a practice address at 33 West St, Keene, NH, 03431. Phone: (603) 355-0160. Providers update this record themselves, so call before visiting.

How can I verify Constance E. Flagg, LADC's license?

NPPES lists New Hampshire license number 352, as entered by the provider. Search the New Hampshire board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.