Mahmoud Alsayed, M.D.
NPI 1215288568 · Endocrinology, Diabetes & Metabolism Physician · Elmhurst, IL
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mahmoud Alsayed, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Elmhurst, IL (NPI 1215288568).
Provider details
- NPI number
- 1215288568
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036167567 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
977 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 251 | $134 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 | 175 | $230 |
| 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'SG2211 | 127 | $17 |
| Blood Glucose (sugar) Level82947 | 117 | $4 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 112 | $122 |
| Hemoglobin A1c Level |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 27 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tirzepatidebrand: Mounjaro | 187 | 46 |
| Levothyroxine Sodium | 176 | 76 |
| Metformin Hclbrand: Metformin Hcl Er | 133 | 51 |
| Empagliflozinbrand: Jardiance | 122 | 40 |
| Semaglutidebrand: Ozempic | 97 | 34 |
| Atorvastatin Calcium | 89 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-09-26
- Last updated
- 2023-11-16
- Certified
- 2023-11-16
Frequently asked questions
- What is Mahmoud Alsayed's NPI number?
- Mahmoud Alsayed's National Provider Identifier (NPI) is 1215288568, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mahmoud Alsayed's specialty?
- Mahmoud Alsayed is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Mahmoud Alsayed located?
- Mahmoud Alsayed's practice location on file with NPPES is 133 E Brush Hill Rd Ste 310, Elmhurst, IL 60126-5662.
- What is Mahmoud Alsayed's phone number?
- The practice phone number listed in the NPPES registry for Mahmoud Alsayed is (331) 221-9003.
- Does Mahmoud Alsayed accept Medicare?
- Mahmoud Alsayed is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mahmoud Alsayed's NPI active?
- Yes — Mahmoud Alsayed's NPI (1215288568) is active in the NPPES registry as of the last update on 2023-11-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.