Muhammad Ijaz, M.D.
NPI 1629490065 · Rheumatology Physician · Hattiesburg, MS
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Muhammad Ijaz, M.D. is a Rheumatology Physician provider in Hattiesburg, MS (NPI 1629490065).
Provider details
- NPI number
- 1629490065
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 24235 (MS)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
12 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
5,146 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 752 | $9 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 721 | $115 |
| Red Blood Cell Sedimentation Rate, to Detect Inflammation, Non-Automated85651 | 575 | $4 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 566 | $13 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 497 | $8 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'S |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 955 | 402 |
| Hydroxychloroquine Sulfate | 554 | 168 |
| Gabapentin | 482 | 177 |
| Tramadol Hcl | 367 | 103 |
| Methotrexate Sodiumbrand: Methotrexate | 343 | 100 |
| Allopurinol | 283 | 95 |
| Tizanidine Hcl | 240 | 94 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,641 across 140 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
- 2014-01-18
- Last updated
- 2020-07-09
- Certified
- 2020-07-09
Frequently asked questions
- What is Muhammad Ijaz's NPI number?
- Muhammad Ijaz's National Provider Identifier (NPI) is 1629490065, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Muhammad Ijaz's specialty?
- Muhammad Ijaz is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Muhammad Ijaz located?
- Muhammad Ijaz's practice location on file with NPPES is 104 Millsaps Dr, Hattiesburg, MS 39402-1328.
- What is Muhammad Ijaz's phone number?
- The practice phone number listed in the NPPES registry for Muhammad Ijaz is (601) 288-7500.
- Does Muhammad Ijaz accept Medicare?
- Muhammad Ijaz is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Muhammad Ijaz's NPI active?
- Yes — Muhammad Ijaz's NPI (1629490065) is active in the NPPES registry as of the last update on 2020-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.