Mark Kowalski, MD
NPI 1104822790 · Orthopaedic Surgery Physician · Sahuarita, AZ
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Kowalski, MD is a Orthopaedic Surgery Physician provider in Sahuarita, AZ (NPI 1104822790).
Provider details
- NPI number
- 1104822790
- Entity type
- Individual
- Primary specialty
- Orthopaedic Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- HI505 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
901 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) |
|---|---|---|
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 280 | $107 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 280 | $87 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 105 | $124 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 40 | $161 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 35 | $66 |
| X-Ray of Knee, 3 Views |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Oxycodone Hcl | 146 | 95 |
| Tramadol Hcl | 130 | 75 |
| Celecoxib | 95 | 61 |
| Meloxicam | 93 | 28 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 91 | 66 |
| Pregabalin | 73 | 58 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-28
- Last updated
- 2021-09-13
- Certified
- 2021-09-13
Frequently asked questions
- What is Mark Kowalski's NPI number?
- Mark Kowalski's National Provider Identifier (NPI) is 1104822790, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Kowalski's specialty?
- Mark Kowalski is listed in the NPPES registry with a primary specialty of Orthopaedic Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Kowalski located?
- Mark Kowalski's practice location on file with NPPES is 16260 S Rancho Sahuarita Blvd # 220, Sahuarita, AZ 85629-0047.
- What is Mark Kowalski's phone number?
- The practice phone number listed in the NPPES registry for Mark Kowalski is (520) 352-1004.
- Does Mark Kowalski accept Medicare?
- Mark Kowalski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Kowalski's NPI active?
- Yes — Mark Kowalski's NPI (1104822790) is active in the NPPES registry as of the last update on 2021-09-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.