Mark J. Ptacek, M.D.
Family Medicine Physician · Deadwood, SD
Mark J. Ptacek, M.D. is a family medicine physician with a practice address in Deadwood, South Dakota, and NPI 1083611958, issued on Jul 7, 2005. Check the license (South Dakota 4872, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; the Medicare figures below come from public CMS files.
- Name
- Mark J. Ptacek
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 4872 SD
16764 NE
Self-reported in NPPES; status is on the state search - Practice location
- 71 Charles St, Deadwood, SD 57732
- Phone
- (605) 717-6431
- Enumerated
- Jul 7, 2005
- Record last updated
- Jul 21, 2022
- Medicaid ID
- 46042393011 NE
- Medicare enrollment
- Enrolled (PECOS I20080319000544); accepts Medicare assignment
- Medical or professional school
- University Of Nebraska College Of Medicine, 1984
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 601 in South Dakota → Look up another NPI →
Also registered at 71 Charles St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Erin Adkins, MSW, CSW-PIP, QMHPClinical Social Worker1598484792
- Kimberly AmmermanPharmacist1356066054
- Diane Anderson, RN CDEDiabetes Educator Registered Nurse1154324614
- Jocelyn Bergh, PAPhysician Assistant1972121945
- Lee Cordell, PHARM.D.Pharmacist1891121356
- Mackenzi Gatzke, PA-CPhysician Assistant1356818900
Verify Mark J. Ptacek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
Search for license 4872Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average family medicine physician in 2024
120 Medicare Part D claims for 14 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Jardiance19 claims
- Venlafaxine Hcl Er11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $129.54
1 payment: food and beverage; the largest payer was Genesys Orthopedics Systems, L.L.C. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- City OF BrookingsBrookings, SD
- Monument Health Network IncSturgis, SD
- Travis J Ptacek MD PLLCRapid City, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark J. Ptacek among 601 family medicine physician records in South Dakota
Mark J. Ptacek, M.D. is one of 601 family medicine physician records with a practice address in South Dakota. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 88% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1984 · median 2008 among the 393 with a school on file
- Record last updated2022 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
5 family medicine physician records list a practice address in Deadwood
They are 5 of the 44 NPPES records with a practice address in Deadwood, and 601 family medicine physician records in South Dakota.
All 601 in South Dakota → Every provider in Deadwood → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Thomas BarrettDeadwood, SD 577321760986731
- Thomas Groeger, MDDeadwood, SD 577321942203419
- Megan Ruffcorn, DODeadwood, SD 577321992268684
- John Tronnes, MDDeadwood, SD 577321356795108
- Lisa Brown, MDCuster, SD 577301831161413
- Joy Falkenburg, MDCuster, SD 577301295789873
- Terry Graber, MDCuster, SD 577301063465995
- Louise Halbleib, D.O.Custer, SD 577301780118448
Common questions
What is Mark J. Ptacek, M.D.'s NPI number?
Mark J. Ptacek, M.D.'s National Provider Identifier (NPI) is 1083611958, issued on Jul 7, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Mark J. Ptacek, M.D. located?
The NPPES record lists a practice address at 71 Charles St, Deadwood, SD, 57732. Phone: (605) 717-6431. Providers update this record themselves, so call before visiting.
How can I verify Mark J. Ptacek, M.D.'s license?
NPPES lists South Dakota license number 4872, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mark J. Ptacek, M.D. prescribe under Medicare Part D?
In 2024, Mark J. Ptacek, M.D. had 120 Medicare Part D claims for 14 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.