Doctor profile · Federal record
Dr. Shamseldeen Mahmoud, M.D
Neuroradiology Physician (CMS: Diagnostic Radiology) · Neuroradiology Physician · Diagnostic Radiology Physician · Saint Louis, MO
- NPI 1023438835
- Accepts Medicare
- MIPS 92.6 / 100 · 2023
- 35 yrs in practice
- Licensed in 2 states
- Male
- Solo practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
1201 S Grand Blvd
Saint Louis, MO 631041016
(314) 257-8000 - Additional location
-
395 W 12Th Ave
Columbus, OH 432101267
(614) 293-8315
fax (614) 293-6935 - Additional location
-
3600 Minnesota Dr Ste 800
Edina, MN 554357915
(952) 595-1301
fax (612) 294-4903
Credentials & registration
- NPI registered
- April 2014 — 12 yrs on file
- Profile last updated
- November 20, 2025
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 2085N0700X — NUCC code
- State licenses (2)
- Missouri #2018017241 · Illinois #125.071554
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023438835. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,239
Distinct HCPCS
10
Medicare allowed
$138,343
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
70450 |
Ct scan head or brain without contrast | 583 | 507 | $39 | |
70553 |
Mri scan of brain before and after contrast | 294 | 253 | $107 | |
72125 |
Ct scan of upper spine without contrast | 182 | 181 | $46 | |
70551 |
Mri scan of brain without contrast | 125 | 123 | $69 | |
70498 |
Ct scan of blood vessels of neck with contrast | 117 | 115 | $79 | |
72131 |
Ct scan of lower spine without contrast | 111 | 111 | $46 | |
72128 |
Ct scan of middle spine without contrast | 107 | 107 | $46 | |
70496 |
Ct scan of blood vessels of head with contrast | 103 | 99 | $81 | |
71045 |
X-ray of chest, 1 view | 100 | 97 | $9 | |
72158 |
Mri scan of lower spinal canal before and after contrast | 52 | 52 | $106 |
In context: peer comparison
Among 12 peers in Saint Louis Neuroradiology Physician, average services per provider: 109. This provider delivers 21× the peer median.Hospital affiliations
Frequently asked questions
What is Dr. Shamseldeen Mahmoud's medical specialty?
Dr. Shamseldeen Mahmoud practices Neuroradiology Physician in Saint Louis, MO.
Where does Dr. Shamseldeen Mahmoud practice?
Dr. Shamseldeen Mahmoud practices at 1201 S Grand Blvd, Saint Louis, MO 631041016. Office phone: 3142578000.
What is Dr. Shamseldeen Mahmoud's NPI?
Dr. Shamseldeen Mahmoud's National Provider Identifier (NPI) is 1023438835, issued by NPPES.
Does Dr. Shamseldeen Mahmoud accept Medicare assignment?
Yes. Dr. Shamseldeen Mahmoud accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shamseldeen Mahmoud commonly perform?
Top Medicare-reported procedures in 2023: Ct scan head or brain without contrast (HCPCS 70450); Mri scan of brain before and after contrast (HCPCS 70553); Ct scan of upper spine without contrast (HCPCS 72125). Source: CMS Medicare Physician & Other Practitioners file.