SYLVIA J. DENNISON MD
NPI 1700838836
Psychiatry & Neurology - Psychiatry in Antigo, WI
About Sylvia J. Dennison Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SYLVIA J. DENNISON MD (NPI 1700838836) is an individual psychiatry provider in Antigo, Wisconsin, licensed in Wisconsin (44166-20) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS and is a graduate of Indiana University School Of Medicine (1983).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 2
Accepted 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
Sylvia J. Dennison Md 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.
Medicare Billing Reassignment
Medicare enrollment records show Sylvia Dennison reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Crandon, WI 54520
- Reassigned Medicare billing, Wisconsin enrollment
- 31 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 54409 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 18
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 Sylvia Dennison's NPI number?
The NPI number for Sylvia Dennison is 1700838836. It was assigned to this individual provider in the NPPES registry on May 17, 2006.
Where is Sylvia Dennison located?
Sylvia Dennison practices at 110 E 5th Ave, Antigo, WI 54409. The listed phone number is (715) 623-2351.
What is Sylvia Dennison's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Sylvia Dennison enrolled in Medicare?
Yes. Sylvia Dennison 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 Sylvia Dennison's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sylvia Dennison reassigns Medicare benefits to Forest County Potawatomi Community (Crandon, WI). 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 Sylvia Dennison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sylvia Dennison accept?
Health plans from Anthem Blue Cross and Blue Shield, Aspirus Health Plan and Security Health Plan list Sylvia Dennison 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 Sylvia Dennison was last updated on December 7, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Sylvia J. Dennison, MD · NPI 1700838836
Psychiatry physician in Antigo, Wisconsin. Individual provider, active in the CMS NPPES registry since May 17, 2006.
## Identity
- **NPI:** 1700838836 (Entity type: Individual)
- **Enumerated:** May 17, 2006
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 44166-20 (Wisconsin)
- **Sole proprietor:** No
## Practice location
- **Address:** 110 E 5TH AVE, Antigo, WI 54409-2710
- **Phone:** (715) 623-2351
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Forest County Potawatomi Community (NPI 1285741306, Crandon, WI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Indiana University School Of Medicine, class of 1983
## Record status
- **NPPES last updated:** December 7, 2015
- **Other identifiers:** Medicaid 34264800 (WI); Medicare UPIN D95478 (WI)
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Source: [NPI Profile](https://npiprofile.com/npi/1700838836) · Data from the CMS NPPES public registry.