MR. GARETH DUANE HEMMINGER (M.A., LMFT) – Mental Health Counselor, NPI 1689795684

Mental Health Counselor

MR. GARETH DUANE HEMMINGER (M.A., LMFT) is a healthcare provider. based in Black diamond, Washington. specializing in Mental Health Counselor. They hold the professional credentials M.A., LMFT. They hold a License No. LF00000905 (WA). The NPI Number for MR. GARETH DUANE HEMMINGER (M.A., LMFT) is 1689795684

Main info

Male

Sole Proprietor

Name

MR. GARETH DUANE HEMMINGER (M.A., LMFT)

NPI

1689795684

Phone

(253) 891-2662

Address

PO BOX 72

Enumeration Date

3 April 2007

Last Update Date

8 July 2007

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience52

Completeness75

Years active:19State licenses:1Digital endpointsOther names

Provider Addresses for MR. GARETH DUANE HEMMINGER (M.A., LMFT)

PO BOX 72
BLACK DIAMOND, WA 980100072
Phone: (253) 891-2662
Type: Mailing
918 ALDER AVE
SUMNER, WA 983901406
Phone: (253) 891-2662
Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

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Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

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Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 98010)

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Reviews

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Frequently asked questions

How do payers reference MR. GARETH DUANE HEMMINGER (M.A., LMFT)?

For MR. GARETH DUANE HEMMINGER (M.A., LMFT), use NPI 1689795684 as the unique 10-digit identifier.

Active or inactive — what applies to MR. GARETH DUANE HEMMINGER (M.A., LMFT)?

You should see MR. GARETH DUANE HEMMINGER (M.A., LMFT) as active in CMS-hosted NPPES data.

What kind of doctor is MR. GARETH DUANE HEMMINGER (M.A., LMFT)?

MR. GARETH DUANE HEMMINGER (M.A., LMFT) is associated with Mental Health Counselor in the directory — Clinical services aligned with this taxonomy classification.

Where in Washington is MR. GARETH DUANE HEMMINGER (M.A., LMFT) registered?

Use Black Diamond, Washington as the headline location for MR. GARETH DUANE HEMMINGER (M.A., LMFT) here.

Can I trust this NPI listing for MR. GARETH DUANE HEMMINGER (M.A., LMFT)?

The listing is sourced from the national NPI registry. If something looks off, compare with NPPES and the clinic's website.