OrganizationActive
Robert F. Sonntag, D.D.S. PLLC
NPI 1699381640 · General Practice Dentistry · Saginaw, MI
Robert F. Sonntag, D.D.S. PLLC is a General Practice Dentistry organization in Saginaw, MI (NPI 1699381640).
Provider details
- NPI number
- 1699381640
- Entity type
- Organization
- Primary specialty
- General Practice DentistryDental Providers
- Organization subpart
- No
- Authorized official
- Robert Sonntag, Owner(989) 790-3357
Specialties & taxonomies
Dental Providers
Profile Score
Established profile(63/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
4400 Fashion Square Blvd
Saginaw, MI 48603
Phone: (989) 790-3357
Fax: (989) 790-3443
Street-level locationGet directions
Mailing address
4400 Fashion Square Blvd
Saginaw, MI 48603
Registry dates
- Enumerated
- 2020-09-16
- Last updated
- 2020-09-16
- Certified
- 2020-09-16
Frequently asked questions
- What is Robert F. Sonntag, D.D.S. PLLC's NPI number?
- Robert F. Sonntag, D.D.S. PLLC's National Provider Identifier (NPI) is 1699381640, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Robert F. Sonntag, D.D.S. PLLC?
- Robert F. Sonntag, D.D.S. PLLC is classified in the NPPES registry as General Practice Dentistry (Dental Providers).
- Where is Robert F. Sonntag, D.D.S. PLLC located?
- Robert F. Sonntag, D.D.S. PLLC's practice location on file with NPPES is 4400 Fashion Square Blvd, Saginaw, MI 48603.
- What is Robert F. Sonntag, D.D.S. PLLC's phone number?
- The practice phone number listed in the NPPES registry for Robert F. Sonntag, D.D.S. PLLC is (989) 790-3357.
- Who is the authorized official for Robert F. Sonntag, D.D.S. PLLC?
- The authorized official listed on Robert F. Sonntag, D.D.S. PLLC's NPPES record is Robert Sonntag, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Robert F. Sonntag, D.D.S. PLLC's NPI active?
- Yes — Robert F. Sonntag, D.D.S. PLLC's NPI (1699381640) is active in the NPPES registry as of the last update on 2020-09-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.