Mark Freijat, M.D
NPI 1124337621 · Rheumatology Physician · Scottsdale, AZ
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mark Freijat, M.D is a Rheumatology Physician provider in Scottsdale, AZ (NPI 1124337621).
Provider details
- NPI number
- 1124337621
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D
- Sex
- Male
- Sole proprietor
- Yes
- License
- 47624 (AZ)
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 tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
2,191 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 940 | $173 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 248 | $213 |
| Prolonged Hospital Inpatient Or Observation Care Evaluation and Management Service(s) Beyond the Total Time for the Primary Service (when the Primary Service Has Been Selected Using Time on the Date of the Primary Service); Each Additional 15 Minutes By ThG0316 | 195 | $29 |
| Complete Ultrasound Scan of Joint76881 | 165 | $52 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 160 | $14 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 31 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 324 | 110 |
| Prednisone | 308 | 135 |
| Hydroxychloroquine Sulfate | 154 | 64 |
| Folic Acid | 79 | 32 |
| Leflunomide | 72 | 31 |
| Allopurinol | 58 | 20 |
| Methylprednisolone | 54 | 23 |
| Colchicine |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,486 across 117 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-09-30
- Last updated
- 2024-03-29
- Certified
- 2024-03-29
Frequently asked questions
- What is Mark Freijat's NPI number?
- Mark Freijat's National Provider Identifier (NPI) is 1124337621, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Freijat's specialty?
- Mark Freijat is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Freijat located?
- Mark Freijat's practice location on file with NPPES is 7425 E Shea Blvd Ste 100, Scottsdale, AZ 85260-6411.
- What is Mark Freijat's phone number?
- The practice phone number listed in the NPPES registry for Mark Freijat is (480) 613-3569.
- Does Mark Freijat accept Medicare?
- Mark Freijat is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mark Freijat's NPI active?
- Yes — Mark Freijat's NPI (1124337621) is active in the NPPES registry as of the last update on 2024-03-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.