Mark E. Bubak, MD
Allergy & Immunology (Internal Medicine) Physician · Sioux Falls, SD
Mark E. Bubak, MD is an allergy & immunology (internal medicine) physician with a practice address in Sioux Falls, South Dakota, and NPI 1336196724, issued on May 30, 2006. Check the license (South Dakota 3512, 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 E. Bubak
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology (Internal Medicine) Physician 207RA0201X
- License number
- 3512 SD
Self-reported in NPPES; status is on the state search - Practice location
- 2200 W 49TH St Ste 104, Sioux Falls, SD 57105
- Phone
- (605) 336-6385
- Enumerated
- May 30, 2006
- Record last updated
- Feb 21, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (605) 336-6513
- Medicaid IDs
- 5900042 SD
792302300 MN
1981852 IA - Medicare enrollment
- Enrolled (PECOS I20041007000241); accepts Medicare assignment
- Medical or professional school
- Sanford School Of Medicine Of University Of South Dakota, 1986
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
4 nearest allergy & immunology (internal medicine) physician records → All 5 in South Dakota → Look up another NPI →
Also registered at 2200 W 49TH St Ste 104
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Rebecca Duron, MDAllergy & Immunology (Internal Medicine) Physician1346747250
- Julie Nielsen, PAPhysician Assistant1588618003
Verify Mark E. Bubak 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 3512Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% more Medicare Part D claims than the average allergy & immunology (internal medicine) physician in 2024
865 Medicare Part D claims for 141 beneficiaries, against an average of 789 among the 429 providers of this specialty who prescribed in Part D. Brand-name drugs were 59% of claims.
Most prescribed
- Montelukast Sodium125 claims
- Trelegy Ellipta81 claims
- Breo Ellipta77 claims
- Hizentra48 claims
- Prednisone48 claims
- Famotidine44 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Dakota Allergy And Asthma LtdSioux Falls, SD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Allergy & Immunology (Internal Medicine) Physician providers in South Dakota
There are 5 allergy & immunology (internal medicine) physician records in South Dakota.
All 5 in South Dakota → Every provider in Sioux Falls → Allergy & Immunology (Internal Medicine) Physician nationwide →
The 4 allergy & immunology (internal medicine) physician records with the nearest ZIP codes
- Rebecca Duron, MDSioux Falls, SD 571051346747250
- Justin HsuehSioux Falls, SD 571051770090144
- Robert Smith, MDSioux Falls, SD 571081538113337
- Abigail Finley, MDRapid City, SD 577011679935670
Common questions
What is Mark E. Bubak, MD's NPI number?
Mark E. Bubak, MD's National Provider Identifier (NPI) is 1336196724, issued on May 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark E. Bubak, MD located?
The NPPES record lists a practice address at 2200 W 49TH St Ste 104, Sioux Falls, SD, 57105. Phone: (605) 336-6385. Providers update this record themselves, so call before visiting.
How can I verify Mark E. Bubak, MD's license?
NPPES lists South Dakota license number 3512, 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 E. Bubak, MD prescribe under Medicare Part D?
In 2024, Mark E. Bubak, MD had 865 Medicare Part D claims for 141 beneficiaries; the average among allergy & immunology (internal medicine) physician prescribers was 789. Part D covers Medicare prescriptions only.
What is Mark E. Bubak, MD's MIPS final score?
The 2023 MIPS final score is 79.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.