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ELMERGREEN ASSOCIATES,LLC
NPI 1922173418
Clinic/Center - Mental Health (Including Community Mental Health Center) in Wausau, WI

Active since November 21, 2006
114 GRAND AVENUE, WAUSAU, WI 54403(715) 845-7175(715) 845-7142 Get Directions Write a Review

NPPES record last updated: June 21, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Elmergreen Associates,llc NPPES

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

ELMERGREEN ASSOCIATES,LLC (NPI 1922173418) is a healthcare organization registered as a mental health (including community mental health center) in Wausau, Wisconsin and active in the NPI registry since November 2006. The organization lists Dennis Dean Elmergreen, Psychologist/owner, as its authorized official.

NPPES Registry Identity

NPI1922173418
Entity TypeOrganization
Primary Taxonomy261QM0801X
Legal Business NameELMERGREEN ASSOCIATES,LLC
Location Address114 GRAND AVENUEWausau, WI 54403
Mailing Address114 Grand AvenueWausau, WI 54403 · (715) 845-7175 · Fax (715) 845-7142
Phone(715) 845-7175
Fax(715) 845-7142
Organization SubpartNo
Authorized OfficialDennis Dean ElmergreenPsychologist/owner · (715) 551-7175
Enumeration DateNovember 21, 2006
Last NPPES UpdateJune 21, 2023
NPPES CertifiedJune 21, 2023
✔ NPI 1922173418 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Mental Health (Including Community Mental Health Center)Ambulatory Health Care Facilities
Taxonomy Code261QM0801X
114 GRAND AVENUE, Wausau, WI 54403
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Other Names 1

Former Legal Business NameElmergreen Associates,llc

Other Identifiers 1

Medicaid42177800WI

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Aspirus Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Elmergreen Associates,llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

8

Medicare enrollment records show 8 clinicians reassign Medicare billing to Elmergreen Associates,llc, which bills Medicare for the services they deliver. Of these, 3 practice at this address and 5 within 10 miles. They are listed nearest first.

Clinicians, nearest first (8)

Courtney Derus
Clinical Psychologist
NPI 1255765335
114 GRAND AVE
Wausau, WI 54403
(715) 845-7175
✔ PECOSSame address
Kandace Elmergreen, MS
Clinical Social Worker
NPI 1497874291
114 GRAND AVE
Wausau, WI 54403
(715) 845-7175
✔ PECOSSame address
Jeffrey Rothweiler, PHD
Clinical Psychologist
NPI 1699894782
114 GRAND AVE
Wausau, WI 54403
(715) 845-7175
✔ PECOSSame address
Susan Rood, ED.D, MS
Mental Health Counselor
NPI 1750858130
741 N 1ST ST
Wausau, WI 54403
(715) 675-3458
✔ PECOS0.5 mi
Barbara Jo Bunnell, MSW, LCSW, SAC-IT
Clinical Social Worker
NPI 1093078784
1810 N 2ND ST
Wausau, WI 54403
(715) 848-4884
✔ PECOS✔ Accepts Medicare1.1 mi
David Derus, PSYD, LPC-IT
Clinical Psychologist
NPI 1295169381
3398 E MARIA DR
Stevens Point, WI 54481
(715) 341-7441
✔ PECOS29 mi
Dennis Elmergreen, PSY. D.
Clinical Psychologist
NPI 1922172675
W12802 COUNTY ROAD A
Bowler, WI 54416
(715) 793-4144
✔ PECOS32 mi
Perry Hennessy, APNP
Nurse Practitioner
NPI 1023808672
11414 W PARK PL STE 202
Milwaukee, WI 53224
(877) 906-9699
✔ PECOS✔ Accepts Medicare147 mi

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

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 Elmergreen Associates,llc's NPI number?

The NPI number for Elmergreen Associates,llc is 1922173418. It was assigned to this organization in the NPPES registry on November 21, 2006.

Where is Elmergreen Associates,llc located?

Elmergreen Associates,llc is located at 114 Grand Avenue, Wausau, WI 54403. The listed phone number is (715) 845-7175.

What is Elmergreen Associates,llc's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.

Is Elmergreen Associates,llc enrolled in Medicare?

Yes. Elmergreen Associates,llc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Elmergreen Associates,llc?

According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 4 Medicare specialties reassign their Medicare billing to Elmergreen Associates,llc. A 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 the clinician's services. The largest specialties are Clinical Psychologist (4), Clinical Social Worker (2) and Mental Health Counselor (1). Of these, 3 practice at this address and 5 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Elmergreen Associates,llc accept?

Health plans from Anthem Blue Cross and Blue Shield and Aspirus Health Plan list Elmergreen Associates,llc 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 Elmergreen Associates,llc was last updated on June 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.