Reem Hasan, MD
NPI 1528315959 · Endocrinology, Diabetes & Metabolism Physician · Saint Louis, MO
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Reem Hasan, MD is a Endocrinology, Diabetes & Metabolism Physician provider in Saint Louis, MO (NPI 1528315959).
Provider details
- NPI number
- 1528315959
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 2018026863 (MO)
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 tenure25% of score
13 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
596 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 207 | $121 |
| Hemoglobin A1c Level83036 | 142 | $9 |
| Blood Glucose (sugar) Level82947 | 80 | $4 |
| Continuous Monitoring of Blood Sugar Level in Tissue Fluid Using Sensor Under Skin With Interpretation and Report95251 | 79 | $32 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 32 | $3 |
| 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 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 45 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tirzepatidebrand: Mounjaro | 343 | 70 |
| Empagliflozinbrand: Jardiance | 222 | 53 |
| Levothyroxine Sodium | 194 | 52 |
| Atorvastatin Calcium | 181 | 55 |
| Rosuvastatin Calcium | 172 | 48 |
| Semaglutidebrand: Ozempic | 132 | 33 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$14 across 1 record (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
- 2012-08-03
- Last updated
- 2025-04-17
- Certified
- 2023-09-01
Frequently asked questions
- What is Reem Hasan's NPI number?
- Reem Hasan's National Provider Identifier (NPI) is 1528315959, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Reem Hasan's specialty?
- Reem Hasan is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Reem Hasan located?
- Reem Hasan's practice location on file with NPPES is 4921 Parkview Pl, Saint Louis, MO 63110-1032.
- What is Reem Hasan's phone number?
- The practice phone number listed in the NPPES registry for Reem Hasan is (314) 362-3500.
- Does Reem Hasan accept Medicare?
- Reem Hasan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Reem Hasan's NPI active?
- Yes — Reem Hasan's NPI (1528315959) is active in the NPPES registry as of the last update on 2025-04-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.