Sylvia Dennison, MD
NPI 1700838836 · Psychiatry Physician · Antigo, WI
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sylvia Dennison, MD is a Psychiatry Physician provider in Antigo, WI (NPI 1700838836).
Provider details
- NPI number
- 1700838836
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 44166-20 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-17
- Last updated
- 2015-12-07
Frequently asked questions
- What is Sylvia Dennison's NPI number?
- Sylvia Dennison's National Provider Identifier (NPI) is 1700838836, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sylvia Dennison's specialty?
- Sylvia Dennison is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Sylvia Dennison located?
- Sylvia Dennison's practice location on file with NPPES is 110 E 5th Ave, Antigo, WI 54409-2710.
- What is Sylvia Dennison's phone number?
- The practice phone number listed in the NPPES registry for Sylvia Dennison is (715) 623-2351.
- Does Sylvia Dennison accept Medicare?
- Sylvia Dennison is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sylvia Dennison's NPI active?
- Yes — Sylvia Dennison's NPI (1700838836) is active in the NPPES registry as of the last update on 2015-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.