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MR. BRIAN KEITH ALTENBACH LCMHC
NPI 1356515902
Counselor - Mental Health in Concord, NH

Active since April 15, 2008PECOS EnrolledAccepts Medicare Assignment
5 CHENELL DR STE 110, CONCORD, NH 03301(603) 883-0005(603) 883-0007 Get Directions Write a Review

NPPES record last updated: March 11, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 11, 2026, Aug 25, 2016 (2 updates tracked since 2016).

About Mr. Brian Keith Altenbach Lcmhc NPPES

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

MR. BRIAN KEITH ALTENBACH LCMHC (NPI 1356515902) is an individual mental health provider in Concord, New Hampshire, licensed in New Hampshire (5658) and active in the NPI registry since April 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in Bethlehem, and is a graduate of Other (1998).

NPPES Registry Identity

NPI1356515902
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMR. BRIAN KEITH ALTENBACHCredential: LCMHC
Location Address5 CHENELL DR STE 110Concord, NH 03301-8503
Mailing AddressPo Box 675125Detroit, MI 48267-5125 · (603) 883-0005 · Fax (603) 883-0007
Phone(603) 883-0005
Fax(603) 883-0007
Sole ProprietorNo
Medical School CMSOtherGraduated 1998
Enumeration DateApril 15, 2008
Last NPPES UpdateMarch 11, 20262 updates tracked since enumeration
NPPES CertifiedMarch 11, 2026
✔ NPI 1356515902 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in NH · 5658
Also ListedCounselor · ProfessionalTaxonomy 101YP2500X · License PC003926 (PA)
5 CHENELL DR STE 110, Concord, NH 03301
Open in Google Maps ↗

Secondary Practice Location 1

Location 1804 W Broad StBethlehem, PA 18018 · Phone (610) 419-9415

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Harvard Pilgrim Health Care.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mr. Brian Keith Altenbach Lcmhc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID749759850
PECOS Enrollment IDI20260519001324
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Brian Altenbach reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Counseling Center Of Nashua Inc
47 mi
Clinical
1 MAIN ST
Nashua, NH 03064
  • Reassigned Medicare billing, New Hampshire enrollment
  • 216 clinicians in this Medicare group
NPI 1144275389 (603) 883-0005

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 2

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

CHRISTINE BOND LICSW
Social Worker (Clinical)
5 CHENELL DR STE 110
CONCORD, NH 03301
Merrimack County (603) 883-0005
CHRISTY ANN CHARLESWORTH LCMHC
Counselor (Mental Health)
5 CHENELL DR STE 110
CONCORD, NH 03301
Merrimack County (603) 883-0005

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 Brian Altenbach's NPI number?

The NPI number for Brian Altenbach is 1356515902. It was assigned to this individual provider in the NPPES registry on April 15, 2008.

Where is Brian Altenbach located?

Brian Altenbach practices at 5 Chenell Dr Ste 110, Concord, NH 03301. The listed phone number is (603) 883-0005.

What is Brian Altenbach's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Brian Altenbach enrolled in Medicare?

Yes. Brian Altenbach is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Brian Altenbach's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Brian Altenbach reassigns Medicare benefits to The Counseling Center Of Nashua Inc (Nashua, NH). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Brian Altenbach's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Brian Altenbach accept?

Health plans from Harvard Pilgrim Health Care list Brian Altenbach as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Brian Altenbach was last updated on March 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months 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.