Reem Hasan, MD
Endocrinology, Diabetes & Metabolism Physician · Saint Louis, MO
Reem Hasan, MD is an endocrinology, diabetes & metabolism physician with a practice address in Saint Louis, Missouri, and NPI 1528315959, issued on Aug 3, 2012. Check the license (Missouri 2018026863, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Reem Hasan
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 2018026863 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4921 Parkview PL, Saint Louis, MO 63110
- Phone
- (314) 362-3500
- Enumerated
- Aug 3, 2012
- Record last updated
- Apr 17, 2025
- Fax
- (314) 230-1119
- Medicaid ID
- 200075829 MO
- Medicare enrollment
- Enrolled (PECOS I20191014000224); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 206 in Missouri → Look up another NPI →
Also registered at 4921 Parkview PL
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Reem Hasan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2018026863Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
2,950 Medicare Part D claims for 269 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 55% of claims.
Most prescribed
- Mounjaro343 claims
- Jardiance222 claims
- Levothyroxine Sodium194 claims
- Atorvastatin Calcium181 claims
- Rosuvastatin Calcium172 claims
- Ozempic132 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $13.54
1 payment: food and beverage; the largest payer was Novo Nordisk Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Reem Hasan among 206 endocrinology, diabetes & metabolism physician records in Missouri
Reem Hasan, MD is one of 206 endocrinology, diabetes & metabolism physician records with a practice address in Missouri. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 74% of them.
- NPI issued2012 · 74% of these records are older, 24% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2011 · median 2003 among the 148 with a school on file
- Record last updated2025 · 45% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Missouri
There are 206 endocrinology, diabetes & metabolism physician records in Missouri.
All 206 in Missouri → Every provider in Saint Louis → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- James Avery, MDSaint Louis, MO 631101487671947
- Thomas Baranski, MDSaint Louis, MO 631101710903026
- Raymond Bourey, MDSaint Louis, MO 631101982607578
- Kim Carmichael, MDSaint Louis, MO 631101417907742
- Lewis Chase, MDSaint Louis, MO 631101134146640
- Anne Goldberg, MDSaint Louis, MO 631101093731317
- Sanjay Jain, M.D.Saint Louis, MO 631101033145974
- Janet McGill, MDSaint Louis, MO 631101811915325
Common questions
What is Reem Hasan, MD's NPI number?
Reem Hasan, MD's National Provider Identifier (NPI) is 1528315959, issued on Aug 3, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Reem Hasan, MD located?
The NPPES record lists a practice address at 4921 Parkview PL, Saint Louis, MO, 63110. Phone: (314) 362-3500. Providers update this record themselves, so call before visiting.
How can I verify Reem Hasan, MD's license?
NPPES lists Missouri license number 2018026863, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Reem Hasan, MD prescribe under Medicare Part D?
In 2024, Reem Hasan, MD had 2,950 Medicare Part D claims for 269 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
What is Reem Hasan, MD's MIPS final score?
The 2023 MIPS final score is 79.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.