Dr. Jasmine I. Mersier Bey, DO
- Medicare services, 2024
- 120
- Medicare patients, 2024
- 103
- Part D claims, 2024
- 62
- Hospital affiliations
- 3
- Industry payments
- $19
- Practice address
- 800 E Carpenter St, Springfield, IL 62769
- Practice phone
- Call (217) 544-6464
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mersier Bey's professional email, personal email and mobile number
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Dr. Jasmine I. Mersier Bey is an emergency medicine physician in Springfield, Illinois
Dr. Mersier Bey practices at HSHS St. John's Hospital in Springfield, Illinois, part of Hospital Sisters of St. Francis.
Dr. Mersier Bey's NPI, 1538734785, was assigned on May 20, 2021. Dr. Mersier Bey graduated from Michigan State University College of Human Medicine in 2021. Dr. Mersier Bey holds Illinois license 036171918.
- NPI
- 1538734785NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062944549
- NPI enumeration date
- May 20, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (217) 544-6464
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Jasmine I. Mersier Bey practices at HSHS St. John's Hospital in Springfield, Illinois
Dr. Mersier Bey's primary practice is HSHS St. John's Hospital, at 800 E Carpenter St, Springfield, IL 62769 in Sangamon County. The practice phone is (217) 544-6464.
- HSHS St. John's Hospital800 E Carpenter St, Springfield, IL 62769 · Sangamon CountyPhone(217) 544-6464
Source: Dmand AI Affiliation Data
Dr. Jasmine I. Mersier Bey is affiliated with 4 sites of care and 3 medical groups
Dr. Mersier Bey's primary practice is HSHS St. John's Hospital in Springfield, Illinois, part of Hospital Sisters of St. Francis. Dr. Mersier Bey is also affiliated with Mercy Medical Center. The medical group on file is CEP America. Dmand AI also links Dr. Mersier Bey to 1 more hospital, 2 medical groups and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Jasmine I. Mersier Bey's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mersier Bey practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| HSHS St. John's Hospital | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Hospital Sisters of St. Francis and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Jasmine I. Mersier Bey is one of 2,385 emergency medicine physicians in Illinois
Emergency medicine is Dr. Mersier Bey's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Mersier Bey is licensed in Illinois.
Specialties and state licenses
- Emergency medicine, IllinoisPrimary
Emergency medicine physicians near Dr. Mersier Bey
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Jasmine I. Mersier Bey billed Medicare for 120 services in 2024
CMS data shows 120 Medicare services from Dr. Mersier Bey across 2 procedure codes in 2024, for 103 Medicare patients. Medicare paid $13,010 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Mersier Bey's Medicare services by type, 2024
- Office and hospital visits93
- Tests and treatments27
Dr. Mersier Bey compared with the Illinois median for emergency medicine physicians, 2024
- Dr. Mersier Bey
- Illinois median
- Medicare services
- 120vs 27456% below
- Medicare patients
- 103vs 27362% below
- Part D claims
- 13vs 4571% below
Medians across 2,281 emergency medicine physicians in Illinois with Dmand AI profiles that report each measure.
Dr. Mersier Bey's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mersier Bey and other emergency medicine physicians in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Jasmine I. Mersier Bey treated 103 Medicare patients in 2024, average age 74
CMS counts 103 Medicare patients who saw Dr. Mersier Bey in 2024. The largest group is 75 to 84, with 31 patients. 75% of them have high blood pressure, and 72% have high cholesterol. 35% are also on Medicaid. Their average risk score is 1.69, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Mersier Bey's median patient age at 56, with 59% women.
Dr. Mersier Bey's Medicare patients by age, 2024
Dr. Mersier Bey's Medicare patients by sex, 2024
- Women5856%
- Men4544%
Chronic conditions among Dr. Mersier Bey's Medicare patients, 2024
- High blood pressure75%
- High cholesterol72%
- Arthritis58%
- Ischemic heart disease56%
- Atrial fibrillation39%
- Diabetes39%
- Anxiety38%
- Chronic kidney disease36%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mersier Bey's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Jasmine I. Mersier Bey wrote 62 Medicare Part D claims in 2024
In 2024, Dr. Mersier Bey wrote 62 Medicare Part D claims for 50 patients. 94% of them were for generic drugs. CMS names the drug for 13 of them, across 1 drug with 11 or more claims each, at $73 in total drug cost.
Dr. Mersier Bey's Part D claims by kind of drug, 2024
- Generic58 claims94%
- Brand-name and other4 claims6%
Dr. Mersier Bey's most prescribed drugs by claims, 2023
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Mersier Bey's Part D claims, 2024
- Antibiotics23%14 of 62 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Jasmine I. Mersier Bey takes part in Medicare
Dr. Mersier Bey accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Jasmine I. Mersier Bey received $19 in industry payments in 2025
CMS Open Payments shows 1 general payment to Dr. Mersier Bey from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $19.
Companies that paid Dr. Mersier Bey the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Jasmine I. Mersier Bey graduated from Michigan State University College of Human Medicine
Dr. Mersier Bey graduated from Michigan State University College of Human Medicine in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Jasmine I. Mersier Bey's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Jasmine I. Mersier Bey
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Jasmine I. Mersier Bey's NPI number?
Dr. Jasmine I. Mersier Bey's NPI number is 1538734785. It was assigned on May 20, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Jasmine I. Mersier Bey?
Dr. Jasmine I. Mersier Bey is an emergency medicine physician in Springfield, Illinois. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Jasmine I. Mersier Bey practice?
Dr. Mersier Bey practices at 800 E Carpenter St, Springfield, IL 62769. Dr. Mersier Bey's primary practice is HSHS St. John's Hospital in Springfield, Illinois, part of Hospital Sisters of St. Francis. Dmand AI also links Dr. Mersier Bey to 1 hospital, 2 medical groups and 1 group practice or clinic.
What is Dr. Jasmine I. Mersier Bey's office phone number?
The practice phone on file for Dr. Mersier Bey is (217) 544-6464.
What is Dr. Jasmine I. Mersier Bey's medical license number?
Dr. Mersier Bey holds Illinois license 036171918.
Which hospitals is Dr. Jasmine I. Mersier Bey affiliated with?
Dr. Mersier Bey practices at HSHS St. John's Hospital in Springfield, Illinois. Dr. Mersier Bey is also affiliated with Mercy Medical Center. Dmand AI links Dr. Mersier Bey to 1 more hospital.
What medical group is Dr. Jasmine I. Mersier Bey part of?
Dr. Mersier Bey is linked to CEP America. Dmand AI links Dr. Mersier Bey to 2 more medical groups.
Does Dr. Jasmine I. Mersier Bey accept Medicare?
Yes. CMS data shows Dr. Mersier Bey billed Medicare for 120 services in 2024, and Dr. Mersier Bey accepts Medicare assignment.
How many Medicare patients does Dr. Jasmine I. Mersier Bey see?
CMS counts 103 Medicare patients who saw Dr. Mersier Bey in 2024, with an average age of 74.
What services does Dr. Jasmine I. Mersier Bey bill to Medicare?
In 2024, Dr. Mersier Bey's most billed Medicare services were emergency department visit (99285) and heart test or procedure (93010).
Show 4 more questionsShow fewer questions
Where did Dr. Jasmine I. Mersier Bey go to medical school?
Dr. Mersier Bey graduated from Michigan State University College of Human Medicine in 2021.
What drugs does Dr. Jasmine I. Mersier Bey prescribe most?
In 2023 Medicare Part D data, Dr. Mersier Bey's most prescribed drugs by claims were Naproxen.
Has Dr. Jasmine I. Mersier Bey received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Dr. Mersier Bey from 1 company from 2025 to 2025. The largest total came from Pfizer Inc.
How long has Dr. Jasmine I. Mersier Bey been practicing?
Dr. Mersier Bey graduated from medical school in 2021, 5 years ago.
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