Doctor profile · Federal record

Dr. Muhammad Ijaz, M.D.

Rheumatology Physician (CMS: Rheumatology) · Hattiesburg, MS

  • NPI 1629490065
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
104 Millsaps Dr
Hattiesburg, MS 394021328
(601) 288-7500
fax (601) 268-5179
Mailing address
415 S 28Th Ave
Hattiesburg, MS 394017246

Credentials & registration

NPPES · NUCC
NPI registered
January 2014 — 12 yrs on file
Profile last updated
July 9, 2020
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State license (1)
Mississippi #24235
Medicaid
MS #07525065

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1629490065. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
107,986
Distinct HCPCS
10
Medicare allowed
$2,204,026
HCPCS Description Services Patients Avg allowed
J0717 Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) 41,000 15 $5
J0129 Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) 18,350 43 $42
J0897 Injection, denosumab, 1 mg 15,480 219 $23
J1602 Injection, golimumab, 1 mg, for intravenous use 13,850 25 $13
J3111 Injection, romosozumab-aqqg, 1 mg 6,930 16 $10
J9312 Injection, rituximab, 10 mg 4,350 20 $80
J1745 Injection, infliximab, excludes biosimilar, 10 mg 1,750 12 $33
36415 Insertion of needle into vein for collection of blood sample 853 397 $8
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 618 89 $1
J3304 Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg 608 11 $17

In context: peer comparison

Among 2 peers in Hattiesburg Rheumatology Physician, average services per provider: 2,260. This provider delivers 48× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,641
Transactions
137
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Abbvie INC. 26 $450.75
Amgen INC. 25 $446.41
Ucb, INC. 14 $264.95
Novartis Pharmaceuticals Corporation 11 $255.31
AstraZeneca Pharmaceuticals Lp 11 $185.51
Pfizer INC. 12 $182.45
Aurinia Pharma U.S., INC. 7 $159.32
Genzyme Corporation 6 $131.94
Fresenius Kabi USA, LLC 7 $131.86
GlaxoSmithKline, LLC. 4 $93.35
Janssen Biotech, INC. 4 $74.58
Radius Health, INC. 3 $68.81
Octapharma USA, INC. 3 $64.55
Boehringer Ingelheim Pharmaceuticals, INC. 3 $59.14
Sobi, INC 1 $20.67

By nature of payment

Food and Beverage
$2,641

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
4,003
Patients
1,491
Total drug cost
$102,342
Drug Type Claims Patients Total cost
Prednisone Generic 810 370 $5,995
Hydroxychloroquine Sulfate Generic 475 154 $26,755
Gabapentin Generic 380 148 $10,403
Methotrexate (Methotrexate Sodium) Brand 334 96 $10,821
Tramadol Hcl Generic 325 105 $2,386
Allopurinol Generic 266 86 $4,243
Tizanidine Hcl Generic 228 82 $2,996
Duloxetine Hcl Generic 213 68 $5,111
Pregabalin Generic 212 63 $13,471
Meloxicam Generic 177 84 $1,528

Frequently asked questions

Auto-generated from federal data
What is Dr. Muhammad Ijaz's medical specialty?
Dr. Muhammad Ijaz practices Rheumatology Physician in Hattiesburg, MS.
Where does Dr. Muhammad Ijaz practice?
Dr. Muhammad Ijaz practices at 104 Millsaps Dr, Hattiesburg, MS 394021328. Office phone: 6012887500.
What is Dr. Muhammad Ijaz's NPI?
Dr. Muhammad Ijaz's National Provider Identifier (NPI) is 1629490065, issued by NPPES.
Does Dr. Muhammad Ijaz accept Medicare assignment?
Yes. Dr. Muhammad Ijaz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Muhammad Ijaz commonly perform?
Top Medicare-reported procedures in 2023: Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (HCPCS J0717); Injection, abatacept, 10 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) (HCPCS J0129); Injection, denosumab, 1 mg (HCPCS J0897). Source: CMS Medicare Physician & Other Practitioners file.