Marshfield Clinic
NPI 1639301773 · Federally Qualified Health Center (FQHC) · Marshfield, WI
Marshfield Clinic is a Federally Qualified Health Center (FQHC) organization in Marshfield, WI (NPI 1639301773).
Provider details
- NPI number
- 1639301773
- Entity type
- Organization
- Primary specialty
- Federally Qualified Health Center (FQHC)Ambulatory Health Care Facilities
- Parent organization
- Marshfield Clinic
- Organization subpart
- Yes
- Authorized official
- David Simenstad, Medical Director Reimbursement(715) 387-5511
- License
- 6755 (WI)
Specialties & taxonomies
Ambulatory Health Care Facilities
Suppliers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
Other names (DBA / former)
- Doing business as
- Marshfield Clinic Pharmacy
Registry dates
- Enumerated
- 2009-08-21
- Last updated
- 2010-03-08
Frequently asked questions
- What is Marshfield Clinic's NPI number?
- Marshfield Clinic's National Provider Identifier (NPI) is 1639301773, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Marshfield Clinic?
- Marshfield Clinic is classified in the NPPES registry as Federally Qualified Health Center (FQHC) (Ambulatory Health Care Facilities).
- Where is Marshfield Clinic located?
- Marshfield Clinic's practice location on file with NPPES is 1000 N Oak Ave, Marshfield, WI 54449-5703.
- What is Marshfield Clinic's phone number?
- The practice phone number listed in the NPPES registry for Marshfield Clinic is (715) 387-9100.
- Who is the authorized official for Marshfield Clinic?
- The authorized official listed on Marshfield Clinic's NPPES record is David Simenstad, Medical Director Reimbursement. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Marshfield Clinic's NPI active?
- Yes — Marshfield Clinic's NPI (1639301773) is active in the NPPES registry as of the last update on 2010-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.