DR. DAVID THEO LAKE M.D.
NPI 1154853430
Hospitalist in Sumter, SC
About Dr. David Theo Lake M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID THEO LAKE M.D. (NPI 1154853430) is an individual hospitalist provider in Sumter, South Carolina, licensed in South Carolina (85514) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Prisma Health Richland Hospital, and is a graduate of University Of South Carolina School Of Medicine (2017).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. David Theo Lake M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show David Lake reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sumter, SC 29150
- Reassigned Medicare billing, South Carolina enrollment
- Medicare enrollment name: Prisma Health Medical Group-Midlands
- 1,466 clinicians in this Medicare group
Florence, SC 29506
- Reassigned Medicare billing, South Carolina enrollment
- 816 clinicians in this Medicare group
Columbia, SC 29201
- Reassigned Medicare billing, South Carolina enrollment
- 3,281 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.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Prisma Health Richland Hospital
Acute Care Hospitals · Columbia, SCPrisma Health Tuomey Hospital
Acute Care Hospitals · Sumter, SCPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 29150 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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.
SUMTER, SC 29150
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 David Lake's NPI number?
The NPI number for David Lake is 1154853430. It was assigned to this individual provider in the NPPES registry on March 28, 2017.
Where is David Lake located?
David Lake practices at 129 N Washington St, Sumter, SC 29150. The listed phone number is (803) 774-9680.
What is David Lake's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is David Lake enrolled in Medicare?
Yes. David Lake is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for David Lake's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Lake reassigns Medicare benefits to 3 organizations: Palmetto Health - University Of South Carolina Medical Group (Sumter, SC), Mcleod Regional Medical Center Of The Pee Dee, Inc (Florence, SC) and Prisma Health University Medical Group (Columbia, SC). 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 David Lake's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is David Lake affiliated with any hospitals?
According to CMS data, David Lake is affiliated with Prisma Health Richland Hospital and Prisma Health Tuomey Hospital.
When was this NPI record last updated?
The NPPES record for David Lake was last updated on June 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 months 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. David Theo Lake, M.D. · NPI 1154853430
Hospitalist physician in Sumter, South Carolina. Individual provider, active in the CMS NPPES registry since March 28, 2017.
## Identity
- **NPI:** 1154853430 (Entity type: Individual)
- **Enumerated:** March 28, 2017
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** 85514 (South Carolina)
- **Sole proprietor:** No
## Practice location
- **Address:** 129 N WASHINGTON ST, Sumter, SC 29150-4949
- **Phone:** (803) 774-9680 · **Fax:** (803) 434-3955
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Palmetto Health - University Of South Carolina Medical Group (NPI 1295211894, Sumter, SC); Mcleod Regional Medical Center Of The Pee Dee, Inc (NPI 1154371433, Florence, SC); Prisma Health University Medical Group (NPI 1982292843, Columbia, SC) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of South Carolina School Of Medicine, class of 2017
## Record status
- **NPPES last updated:** June 23, 2025
- **Other identifiers:** Medicaid 855140 (SC)
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Source: [NPI Profile](https://npiprofile.com/npi/1154853430) · Data from the CMS NPPES public registry.