Mark Bubak, MD
NPI 1336196724 · Allergy & Immunology (Internal Medicine) Physician · Sioux Falls, SD
Enrolled with Medicare as Practitioner - Allergy/Immunology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Bubak, MD is a Allergy & Immunology (Internal Medicine) Physician provider in Sioux Falls, SD (NPI 1336196724).
Provider details
- NPI number
- 1336196724
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 3512 (SD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
3,010 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Professional Service for Preparation and Provision of 1 Or More Antigens95165 | 1,560 | $14 |
| Test for Allergy Using Allergenic Extract95004 | 950 | $3 |
| Professional Service for Multiple Injections of Allergen95117 | 153 | $12 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 98 | $87 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 85 | $123 |
| Professional Service for Single Injection of Allergen95115 | 81 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 20 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Montelukast Sodium | 125 | 27 |
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 81 | — |
| Fluticasone/Vilanterolbrand: Breo Ellipta | 77 | 13 |
| Prednisone | 48 | 33 |
| Immun Glob G(igg)/Pro/Iga 0-50brand: Hizentra | 48 | — |
| Famotidine | 44 | — |
| Budesonide/Formoterol Fumarate |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-30
- Last updated
- 2013-02-21
Frequently asked questions
- What is Mark Bubak's NPI number?
- Mark Bubak's National Provider Identifier (NPI) is 1336196724, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Bubak's specialty?
- Mark Bubak is listed in the NPPES registry with a primary specialty of Allergy & Immunology (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Bubak located?
- Mark Bubak's practice location on file with NPPES is 2200 W 49th St Ste 104, Sioux Falls, SD 57105-6550.
- What is Mark Bubak's phone number?
- The practice phone number listed in the NPPES registry for Mark Bubak is (605) 336-6385.
- Does Mark Bubak accept Medicare?
- Mark Bubak is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Bubak's NPI active?
- Yes — Mark Bubak's NPI (1336196724) is active in the NPPES registry as of the last update on 2013-02-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.