DR. GREGORY K. TERPSTRA D.O., FAMILY PRACTICE, L.L.C.
NPI 1295867968
Clinic/Center - Primary Care in Potosi, MO
About Dr. Gregory K. Terpstra D.o., Family Practice, L.l.c. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGORY K. TERPSTRA D.O., FAMILY PRACTICE, L.L.C. (NPI 1295867968) is a healthcare organization registered as a primary care in Potosi, Missouri and active in the NPI registry since March 2007. The organization holds a CLIA Microscopy certificate valid through January 8, 2027 and lists Wilma Terpstra, Office Manager, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Gregory K. Terpstra D.o., Family Practice, L.l.c. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Dr. Gregory K. Terpstra D.O., Family Practice, L.L.C., which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate for Provider-Performed Microscopy Procedures (PPMP) 26D0921211
Gregory K Terpstra Do · Potosi, MOFrequently 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 Dr. Gregory K. Terpstra D.O., Family Practice, L.L.C.'s NPI number?
The NPI number for Dr. Gregory K. Terpstra D.O., Family Practice, L.L.C. is 1295867968. It was assigned to this organization in the NPPES registry on March 9, 2007.
Where is Dr. Gregory K. Terpstra D.O., Family Practice, L.L.C. located?
Dr. Gregory K. Terpstra D.O., Family Practice, L.L.C. is located at 612 E High St Ste 210, Potosi, MO 63664. The listed phone number is (573) 438-3660.
What is Dr. Gregory K. Terpstra D.O., Family Practice, L.L.C.'s specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Primary Care, with taxonomy code 261QP2300X.
Is Dr. Gregory K. Terpstra D.O., Family Practice, L.L.C. enrolled in Medicare?
Yes. Dr. Gregory K. Terpstra D.O., Family Practice, L.L.C. is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Dr. Gregory K. Terpstra D.O., Family Practice, L.L.C.?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Family Practice) reassigns their Medicare billing to Dr. Gregory K. Terpstra D.O., Family Practice, L.L.C.. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Dr. Gregory K. Terpstra D.O., Family Practice, L.L.C. hold a CLIA laboratory certificate?
Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 26D0921211) is associated with this NPI, valid through January 8, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Dr. Gregory K. Terpstra D.O., Family Practice, L.L.C. was last updated on May 13, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Dr. Gregory K. Terpstra D.o., Family Practice, L.l.c. · NPI 1295867968
Primary Care organization in Potosi, Missouri. Organization record, active in the CMS NPPES registry since March 9, 2007.
## Identity
- **NPI:** 1295867968 (Entity type: Organization)
- **Enumerated:** March 9, 2007
- **Primary specialty:** Clinic/Center - Primary Care · taxonomy 261QP2300X
- **Organization subpart:** No
- **Authorized official:** Wilma Terpstra, OFFICE MANAGER
## Practice location
- **Address:** 612 E HIGH ST STE 210, Potosi, MO 63664-1426
- **Phone:** (573) 438-3660 · **Fax:** (573) 438-1140
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Family Practice) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 13, 2008
- **Other identifiers:** Medicare UPIN F57275 (MO); Medicare ID-Type Unspecified 000006721 (MO)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1295867968) · Data from the CMS NPPES public registry.