MR. DENNIS WILLIAM MCCARTHY MA, LMHC
NPI 1215147145
Counselor - Mental Health in Seattle, WA
About Mr. Dennis William Mccarthy Ma, Lmhc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. DENNIS WILLIAM MCCARTHY MA, LMHC (NPI 1215147145) is an individual mental health provider in Seattle, Washington, licensed in Washington (LH60086698) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mr. Dennis William Mccarthy Ma, Lmhc 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.
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.
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 Dennis Mccarthy's NPI number?
The NPI number for Dennis Mccarthy is 1215147145. It was assigned to this individual provider in the NPPES registry on May 22, 2007.
Where is Dennis Mccarthy located?
Dennis Mccarthy practices at 1904 3rd Ave Ste 915, Seattle, WA 98101. The listed phone number is (206) 595-2659.
What is Dennis Mccarthy's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Dennis Mccarthy enrolled in Medicare?
Yes. Dennis Mccarthy 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.
What insurance does Dennis Mccarthy accept?
Health plans from PacificSource Health Plans and Premera Blue Cross Blue Shield of Alaska list Dennis Mccarthy 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 Dennis Mccarthy was last updated on December 26, 2025. 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.
# Mr. Dennis William Mccarthy, MA, LMHC · NPI 1215147145
Mental Health provider in Seattle, Washington. Individual provider, active in the CMS NPPES registry since May 22, 2007.
## Identity
- **NPI:** 1215147145 (Entity type: Individual)
- **Enumerated:** May 22, 2007
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **State license:** LH60086698 (Washington)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1904 3RD AVE, STE 915, Seattle, WA 98101-1126
- **Phone:** (206) 595-2659
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Medical school:** Other, class of 2006
## Record status
- **NPPES last updated:** December 26, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1215147145) · Data from the CMS NPPES public registry.