DR. MARK J PTACEK M.D.
NPI 1083611958
Family Medicine in Deadwood, SD
About Dr. Mark J Ptacek M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK J PTACEK M.D. (NPI 1083611958) is an individual family medicine provider in Deadwood, South Dakota, licensed in South Dakota (4872) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS, is affiliated with Pine Ridge Ihs Hospital, and is a graduate of University Of Nebraska College Of Medicine (1984).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 8
Accepted Insurance
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. Mark J Ptacek 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
8Medicare enrollment records show Mark Ptacek reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Deadwood, SD 57732
- Reassigned Medicare billing, South Dakota enrollment
- 321 clinicians in this Medicare group
Rapid City, SD 57701
- Reassigned Medicare billing, South Dakota enrollment
- 9 clinicians in this Medicare group
Rapid City, SD 57701
- Reassigned Medicare billing, South Dakota enrollment
- 10 clinicians in this Medicare group
Manderson, SD 57756
- Reassigned Medicare billing, Texas enrollment
- 426 clinicians in this Medicare group
Eagle Butte, SD 57625
- Reassigned Medicare billing, Texas enrollment
- 282 clinicians in this Medicare group
Pierre, SD 57501
- Reassigned Medicare billing, South Dakota enrollment
- 1,277 clinicians in this Medicare group
Redfield, SD 57469
- Reassigned Medicare billing, South Dakota enrollment
- Also billed through NPI 1548232747 (South Dakota)
- 20 clinicians in this Medicare group
Arlington, SD 57212
- Reassigned Medicare billing, South Dakota enrollment
- 156 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 2
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.
Pine Ridge Ihs Hospital
Acute Care Hospitals · Pine Ridge, SDMonument Health Custer Hospital
Critical Access Hospitals · Custer, SDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 57732 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.
DEADWOOD, SD 57732
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 Mark Ptacek's NPI number?
The NPI number for Mark Ptacek is 1083611958. It was assigned to this individual provider in the NPPES registry on July 7, 2005.
Where is Mark Ptacek located?
Mark Ptacek practices at 71 Charles St, Deadwood, SD 57732. The listed phone number is (605) 717-6431.
What is Mark Ptacek's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Mark Ptacek enrolled in Medicare?
Yes. Mark Ptacek 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 Mark Ptacek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Ptacek reassigns Medicare benefits to 8 organizations: Monument Health Network, Inc. (Deadwood, SD), Bhpac-Snf PLLC (Rapid City, SD), Travis J Ptacek MD PLLC (Rapid City, SD), Pine Ridge Indian Health Service Hospital (Manderson, SD), Eagle Butte Indian Health Service Hospital (Eagle Butte, SD) and 3 more organizations, listed in the Medicare section above. 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 Mark Ptacek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Ptacek accept?
Health plans from Blue Cross Blue Shield of Wyoming, Oscar Insurance Company, Sanford Health Plan, UnitedHealthcare and Wellmark of South Dakota, Inc. list Mark Ptacek as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Mark Ptacek affiliated with any hospitals?
According to CMS data, Mark Ptacek is affiliated with Pine Ridge Ihs Hospital and Monument Health Custer Hospital.
When was this NPI record last updated?
The NPPES record for Mark Ptacek was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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. Mark J Ptacek, M.D. · NPI 1083611958
Family Medicine physician in Deadwood, South Dakota. Individual provider, active in the CMS NPPES registry since July 7, 2005.
## Identity
- **NPI:** 1083611958 (Entity type: Individual)
- **Enumerated:** July 7, 2005
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 4872 (South Dakota)
- **Sole proprietor:** No
## Practice location
- **Address:** 71 CHARLES ST, Deadwood, SD 57732-1303
- **Phone:** (605) 717-6431
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Monument Health Network, Inc. (NPI 1558740472, Deadwood, SD); Bhpac-Snf PLLC (NPI 1770466161, Rapid City, SD); Travis J Ptacek MD PLLC (NPI 1265113260, Rapid City, SD); Pine Ridge Indian Health Service Hospital (NPI 1487701348, Manderson, SD); Eagle Butte Indian Health Service Hospital (NPI 1558395848, Eagle Butte, SD); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Nebraska College Of Medicine, class of 1984
## Record status
- **NPPES last updated:** July 21, 2022
- **Other identifiers:** Other 3859 (NE); Other 06676 (NE); Other 460423930 (NE); and 5 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1083611958) · Data from the CMS NPPES public registry.