NPPES file of Aug 9, 2026

Brian Keith Altenbach, LCMHC

Mental Health Counselor · Concord, NH

Brian Keith Altenbach, LCMHC is a mental health counselor with a practice address in Concord, New Hampshire, and NPI 1356515902, issued on Apr 15, 2008. Check the license (New Hampshire 5658, as entered in NPPES) with the New Hampshire board that licenses this profession; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1356515902
Name
Brian Keith Altenbach
Credential
LCMHC
Primary taxonomy
Mental Health Counselor 101YM0800X
License numbers
5658 NH
PC003926 PA
Self-reported in NPPES; status is on the state search
Practice location
5 Chenell Dr Ste 110, Concord, NH 03301
Phone
(603) 883-0005
Enumerated
Apr 15, 2008
Record last updated
Mar 11, 2026
Fax
(603) 883-0007
Medicare enrollment
Enrolled (PECOS I20260519001324); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 5 Chenell Dr Ste 110

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

  1. Christy Charlesworth, LCMHCMental Health Counselor1780984708

Verify Brian Keith Altenbach 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 5658
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. The Counseling Center OF Nashua IncConcord, NH

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

270 mental health counselor records list a practice address in Concord

They are 270 of the 3,103 NPPES records with a practice address in Concord, and 2,284 mental health counselor records in New Hampshire.

Other mental health counselor records in New Hampshire

  1. Chelsey AbareLaconia, NH1760730121
  2. Katherine Abbott-RoseLondonderry, NH1457164352
  3. Ramona Abella, LCMHCPortsmouth, NH1134218480
  4. Ann Marie AbramoManchester, NH1205024940
  5. Diane AdamsLaconia, NH1912488263
  6. Emily AdamsClaremont, NH1932405198
  7. Haley Adams, BSLaconia, NH1053972323
  8. Peter Afflerbach, LCMHCNew London, NH1447390802
  9. Rawnak AfroseDerry, NH1710165808
  10. Foad Afshar, PSY.D.Concord, NH1396878864

Common questions

What is Brian Keith Altenbach, LCMHC's NPI number?

Brian Keith Altenbach, LCMHC's National Provider Identifier (NPI) is 1356515902, issued on Apr 15, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Brian Keith Altenbach, LCMHC located?

The NPPES record lists a practice address at 5 Chenell Dr Ste 110, Concord, NH, 03301. Phone: (603) 883-0005. Providers update this record themselves, so call before visiting.

How can I verify Brian Keith Altenbach, LCMHC's license?

NPPES lists New Hampshire license number 5658, 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. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

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.