Dr. Charles Sierzant, MD
- Medicare services, 2024
- 134
- Medicare patients, 2024
- 155
- Part D claims, 2024
- 163
- Publications
- 2
- MIPS score, 2024
- 97
- Practice address
- 100 Michigan St NE, Grand Rapids, MI 49503
- Practice phone
- Call (616) 391-1774
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Dr. Sierzant's professional email, personal email and mobile number
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Dr. Charles Sierzant is an emergency medicine physician in Grand Rapids, Michigan
Dr. Sierzant practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.
Dr. Sierzant's NPI, 1457765539, was assigned on June 17, 2014. Dr. Sierzant graduated from Michigan State University College of Human Medicine in 2014. Dr. Sierzant holds Michigan license 4301105007.
- NPI
- 1457765539NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668698168
- NPI enumeration date
- June 17, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (616) 391-1774
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 38
- Medical school graduation
- 2014
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charles Sierzant practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan
Dr. Sierzant's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth, at 100 Michigan St NE, Grand Rapids, MI 49503 in Kent County. The practice phone is (616) 391-1774.
- Corewell Health Grand Rapids Hospitals - Butterworth100 Michigan St NE, Grand Rapids, MI 49503 · Kent CountyPhone(616) 391-1774
Source: Dmand AI Affiliation Data
Dr. Charles Sierzant is affiliated with 3 sites of care and 4 medical groups
Dr. Sierzant's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dr. Sierzant is also affiliated with Corewell Health Zeeland Hospital. The medical group on file is Emergency Care Specialists (ECS). Dmand AI also links Dr. Sierzant to 1 more hospital and 3 medical groups, 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. Charles Sierzant's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Sierzant practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Grand Rapids Hospitals - Butterworth | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Charles Sierzant is one of 2,045 emergency medicine physicians in Michigan
Emergency medicine is Dr. Sierzant's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Sierzant is licensed in Michigan.
Specialties and state licenses
- Emergency medicine, MichiganPrimary
Emergency medicine physicians near Dr. Sierzant
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. Charles Sierzant billed Medicare for 134 services in 2024
CMS data shows 134 Medicare services from Dr. Sierzant across 6 procedure codes in 2024, for 155 Medicare patients. Medicare paid $16,752 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Sierzant's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1522024: 12220%
- Anesthesia
- 2023: 162024: 1225%
Dr. Sierzant compared with the Michigan median for emergency medicine physicians, 2024
- Dr. Sierzant
- Michigan median
- Medicare services
- 134vs 23443% below
- Medicare patients
- 155vs 21428% below
- Part D claims
- 44vs 46Close to median
Medians across 1,937 emergency medicine physicians in Michigan with Dmand AI profiles that report each measure.
Dr. Sierzant'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. Sierzant and other emergency medicine physicians in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charles Sierzant treated 155 Medicare patients in 2024, average age 70
CMS counts 155 Medicare patients who saw Dr. Sierzant in 2024. The largest group is 65 to 74, with 57 patients. 75% of them have high blood pressure, and 70% have high cholesterol. 32% are also on Medicaid. Their average risk score is 1.65, 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. Sierzant's median patient age at 56, with 57% women.
Dr. Sierzant's Medicare patients by age, 2024
Dr. Sierzant's Medicare patients by sex, 2024
- Women8957%
- Men6643%
Chronic conditions among Dr. Sierzant's Medicare patients, 2024
- High blood pressure75%
- High cholesterol70%
- Arthritis55%
- Mood disorders49%
- Ischemic heart disease48%
- Anxiety45%
- Depression45%
- Heart failure35%
Share of Medicare patients with each condition. A patient can have several.
Dr. Sierzant'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
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Charles Sierzant wrote 163 Medicare Part D claims in 2024
In 2024, Dr. Sierzant wrote 163 Medicare Part D claims for 102 patients. 90% of them were for generic drugs. CMS names the drug for 44 of them, across 2 drugs with 11 or more claims each, at $414 in total drug cost. In 2023, CMS named 36 claims across 2 drugs.
Dr. Sierzant's Part D claims by kind of drug, 2024
- Generic146 claims90%
- Brand-name and other17 claims10%
Dr. Sierzant's most prescribed drugs by claims, 2024
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. Sierzant's Part D claims, 2024
- Antibiotics34%56 of 163 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 362024: 4422%
Drugs named by CMS: 2 in 2024, 2 in 2023.
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
Dr. Charles Sierzant scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Dr. Sierzant for performance year 2024, reported as part of a group. Dr. Sierzant accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Sierzant's MIPS scores, performance year 2024
- 97of 100Final score
- 89.3of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Charles Sierzant has 2 publications on record
Dmand AI links 2 papers to Dr. Sierzant in 2025. 2025 was the busiest year, with 2. Dr. Sierzant's most frequent co-authors are Kaitlyn Beels, MD and Alexander William Clegg, MD.
Dr. Sierzant's most frequent co-authors
Recent publications by Dr. Sierzant
See who Dr. Sierzant researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Sierzant works with, so you can find a warm path to the right emergency medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Charles Sierzant received $456 in industry payments from 2016 to 2025
CMS Open Payments shows 15 general payments to Dr. Sierzant from 6 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Inari Medical, Inc. paid the most, $136.
General payments to Dr. Sierzant by program year, 2016 to 2025
Companies that paid Dr. Sierzant the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Charles Sierzant graduated from Michigan State University College of Human Medicine
Dr. Sierzant graduated from Michigan State University College of Human Medicine in 2014.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Charles Sierzant'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Charles Sierzant
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. Charles Sierzant's NPI number?
Dr. Charles Sierzant's NPI number is 1457765539. It was assigned on June 17, 2014, and it is active in the NPI Registry.
What kind of doctor is Dr. Charles Sierzant?
Dr. Charles Sierzant is an emergency medicine physician in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Charles Sierzant practice?
Dr. Sierzant practices at 100 Michigan St NE, Grand Rapids, MI 49503. Dr. Sierzant's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dmand AI also links Dr. Sierzant to 1 hospital and 3 medical groups.
What is Dr. Charles Sierzant's office phone number?
The practice phone on file for Dr. Sierzant is (616) 391-1774.
What is Dr. Charles Sierzant's medical license number?
Dr. Sierzant holds Michigan license 4301105007.
Which hospitals is Dr. Charles Sierzant affiliated with?
Dr. Sierzant practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan. Dr. Sierzant is also affiliated with Corewell Health Zeeland Hospital. Dmand AI links Dr. Sierzant to 1 more hospital.
What medical group is Dr. Charles Sierzant part of?
Dr. Sierzant is linked to Emergency Care Specialists (ECS). Dmand AI links Dr. Sierzant to 3 more medical groups.
Does Dr. Charles Sierzant accept Medicare?
Yes. CMS data shows Dr. Sierzant billed Medicare for 134 services in 2024, and Dr. Sierzant accepts Medicare assignment.
What is Dr. Charles Sierzant's MIPS score?
Dr. Sierzant's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Dr. Charles Sierzant see?
CMS counts 155 Medicare patients who saw Dr. Sierzant in 2024, with an average age of 70.
Show 7 more questionsShow fewer questions
What services does Dr. Charles Sierzant bill to Medicare?
In 2024, Dr. Sierzant's most billed Medicare services were emergency department visit (99285), critical care (99291) and hospital inpatient care (99222).
Where did Dr. Charles Sierzant go to medical school?
Dr. Sierzant graduated from Michigan State University College of Human Medicine in 2014.
What drugs does Dr. Charles Sierzant prescribe most?
In 2024 Medicare Part D data, Dr. Sierzant's most prescribed drugs by claims were Cefuroxime and Ondansetron ODT.
Has Dr. Charles Sierzant received payments from drug or device companies?
CMS Open Payments shows $456 in general payments to Dr. Sierzant from 6 companies from 2016 to 2025. The largest total came from Inari Medical, Inc.
How long has Dr. Charles Sierzant been practicing?
Dr. Sierzant graduated from medical school in 2014, 12 years ago.
Does Dr. Charles Sierzant do research?
Dmand AI links 2 publications to Dr. Sierzant.
Who does Dr. Charles Sierzant publish with?
Dr. Sierzant's most frequent co-authors are Kaitlyn Beels, MD (1 shared paper) and Alexander William Clegg, MD (1 shared paper).
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