LAWRENCE STEVEN RIEMER MD
NPI 1700974813
Internal Medicine in Sisseton, SD
About Lawrence Steven Riemer Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LAWRENCE STEVEN RIEMER MD (NPI 1700974813) is an individual internal medicine provider in Sisseton, South Dakota, licensed in California (53752) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and maintains a secondary practice location in Lompoc.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Lawrence Steven Riemer Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Lawrence Riemer reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Carpinteria, CA 93013
- Reassigned Medicare billing, California enrollment
- 116 clinicians in this Medicare group
Millbrae, CA 94030
- Reassigned Medicare billing, California enrollment
- 8 clinicians in this Medicare group
Lompoc, CA 93436
- Reassigned Medicare billing, California enrollment
- 32 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 57262 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SISSETON, SD 57262
SISSETON, SD 57262
SISSETON, SD 57262
SISSETON, SD 57262
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 Lawrence Riemer's NPI number?
The NPI number for Lawrence Riemer is 1700974813. It was assigned to this individual provider in the NPPES registry on October 11, 2006.
Where is Lawrence Riemer located?
Lawrence Riemer practices at 100 Lake Traverse Dr, Sisseton, SD 57262. The listed phone number is (605) 698-7606.
What is Lawrence Riemer's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Lawrence Riemer enrolled in Medicare?
Yes. Lawrence Riemer is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Lawrence Riemer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Lawrence Riemer reassigns Medicare benefits to 3 organizations: Santa Barbara County Auditor (Carpinteria, CA), Pacific Family Medicine Clinic Inc (Millbrae, CA) and Lompoc Hospitalist Group PC (Lompoc, CA). Each 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 Lawrence Riemer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Lawrence Riemer was last updated on October 8, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Lawrence Steven Riemer, MD · NPI 1700974813
Internal Medicine physician in Sisseton, South Dakota. Individual provider, active in the CMS NPPES registry since October 11, 2006.
## Identity
- **NPI:** 1700974813 (Entity type: Individual)
- **Enumerated:** October 11, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 53752 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 LAKE TRAVERSE DR, Sisseton, SD 57262-7046
- **Phone:** (605) 698-7606
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Santa Barbara County Auditor (NPI 1558453860, Carpinteria, CA); Pacific Family Medicine Clinic Inc (NPI 1356723605, Millbrae, CA); Lompoc Hospitalist Group PC (NPI 1891335717, Lompoc, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 8, 2021
- **Other identifiers:** Medicaid 00A260670 (CA); Other A26067
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Source: [NPI Profile](https://npiprofile.com/npi/1700974813) · Data from the CMS NPPES public registry.