Mohamed Alwan, M.D.
NPI 1538542634 · Neurology Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mohamed Alwan, M.D. is a Neurology Physician provider in Saint Louis, MO (NPI 1538542634).
Provider details
- NPI number
- 1538542634
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 2019024501 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
407 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 207 | $75 |
| Telehealth Consultation, Emergency Department Or Initial Inpatient, Typically 30 Minutes Communicating With the Patient Via TelehealthG0425 | 142 | $89 |
| Telehealth Consultation, Emergency Department Or Initial Inpatient, Typically 50 Minutes Communicating With the Patient Via TelehealthG0426 | 39 | $123 |
| Critical Care, First 30-74 Minutes99291 | 19 | $205 |
Typical Medicare-allowed amounts for these services range $75–$205 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Additional practice locations (2)
- 1438 S Grand BlvdSaint Louis, MO 63104-1027Phone: (314) 977-6082Fax: (314) 977-6086
- 615 S New Ballas RdSaint Louis, MO 63141-8221Phone: (314) 251-6075
Registry dates
- Enumerated
- 2015-07-07
- Last updated
- 2019-07-22
Frequently asked questions
- What is Mohamed Alwan's NPI number?
- Mohamed Alwan's National Provider Identifier (NPI) is 1538542634, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mohamed Alwan's specialty?
- Mohamed Alwan is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Mohamed Alwan located?
- Mohamed Alwan's practice location on file with NPPES is 621 S New Ballas Rd Ste 5003b, Saint Louis, MO 63141.
- What is Mohamed Alwan's phone number?
- The practice phone number listed in the NPPES registry for Mohamed Alwan is (314) 251-8892.
- Does Mohamed Alwan accept Medicare?
- Mohamed Alwan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mohamed Alwan's NPI active?
- Yes — Mohamed Alwan's NPI (1538542634) is active in the NPPES registry as of the last update on 2019-07-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.