Dr. Michael Tsimis, MD
- Medicare services, 2019
- 14
- Medicare patients, 2024
- 16
- Industry payments
- $52
- Affiliated sites
- 1
- Medical groups
- 5
- Practice address
- 25 Michigan NE St, Grand Rapids, MI 49503
- Practice phone
- Call (616) 391-2700
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Corewell Health Grand Rapids Hospitals
Grand Rapids, Michigan
Find Dr. Tsimis' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Michael Tsimis is a maternal-fetal medicine specialist in Grand Rapids, Michigan
Dr. Tsimis practices at Corewell Health Grand Rapids Hospitals in Grand Rapids, Michigan.
Dr. Tsimis' NPI, 1174840185, was assigned on April 29, 2010. Dr. Tsimis graduated from Wayne State University School of Medicine in 2010. Dr. Tsimis holds Michigan license 4301111316.
- NPI
- 1174840185NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7315166055
- NPI enumeration date
- April 29, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (616) 391-2700
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Tsimis practices at Corewell Health Grand Rapids Hospitals in Grand Rapids, Michigan
Dr. Tsimis' primary practice is Corewell Health Grand Rapids Hospitals, at 25 Michigan NE St, Grand Rapids, MI 49503 in Kent County. The practice phone is (616) 391-2700.
- Corewell Health Grand Rapids Hospitals25 Michigan NE St, Grand Rapids, MI 49503 · Kent CountyPhone(616) 391-2700
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael Tsimis is affiliated with 2 sites of care and 5 medical groups
Dr. Tsimis' primary practice is Corewell Health Grand Rapids Hospitals in Grand Rapids, Michigan. The medical group on file is Corewell Health Medical Group West. Dmand AI also links Dr. Tsimis to 4 more medical groups and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Michael Tsimis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tsimis practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Corewell Health Grand Rapids Hospitals | Available with a free account |
| +1 more site and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Tsimis is one of 66 maternal-fetal medicine specialists in Michigan
Maternal and fetal medicine is Dr. Tsimis' primary specialty in the NPI Registry, under taxonomy code 207VM0101X. Dr. Tsimis is licensed in Michigan.
Specialties and state licenses
- Maternal and fetal medicine, MichiganPrimary
Maternal-fetal medicine specialists near Dr. Tsimis
Counts of maternal-fetal medicine specialists 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. Michael Tsimis billed Medicare for 14 services in 2019
CMS data shows 14 Medicare services from Dr. Tsimis across 1 procedure code in 2019, for 16 Medicare patients. Medicare paid $1,204 for them. Every service was in an office.
Dr. Tsimis compared with the Michigan median for maternal-fetal medicine specialists, 2019
- Dr. Tsimis
- Michigan median
- Medicare services
- 14vs 1718% below
- Medicare patients
- 16vs 1323% above
Medians across 32 maternal-fetal medicine specialists in Michigan with Dmand AI profiles that report each measure.
Dr. Tsimis' most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Tsimis?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tsimis and other maternal-fetal medicine specialists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Tsimis treated 16 Medicare patients in 2024, average age 37
CMS counts 16 Medicare patients who saw Dr. Tsimis in 2024. Their average risk score is 0.96, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tsimis' median patient age at 31, with 100% women.
Dr. Tsimis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 31
Patient panel by sex, all payers
- Women100%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Michael Tsimis takes part in Medicare
Dr. Tsimis 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. Michael Tsimis received $52 in industry payments in 2018
CMS Open Payments shows 3 general payments to Dr. Tsimis from 2 drug and device companies in 2018. Food and beverage make up the largest share, 100% of the total. Hologic Inc paid the most, $32.
Companies that paid Dr. Tsimis the most, 2018 to 2018
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael Tsimis graduated from Wayne State University School of Medicine
Dr. Tsimis graduated from Wayne State University School of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael Tsimis'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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) |
| 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. Michael Tsimis
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. Michael Tsimis' NPI number?
Dr. Michael Tsimis' NPI number is 1174840185. It was assigned on April 29, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Tsimis?
Dr. Michael Tsimis is a maternal-fetal medicine specialist in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Maternal & Fetal Medicine Physician (taxonomy code 207VM0101X).
Where does Dr. Michael Tsimis practice?
Dr. Tsimis practices at 25 Michigan NE St, Grand Rapids, MI 49503. Dr. Tsimis' primary practice is Corewell Health Grand Rapids Hospitals in Grand Rapids, Michigan. Dmand AI also links Dr. Tsimis to 4 medical groups and 1 group practice or clinic.
What is Dr. Michael Tsimis' office phone number?
The practice phone on file for Dr. Tsimis is (616) 391-2700.
What is Dr. Michael Tsimis' medical license number?
Dr. Tsimis holds Michigan license 4301111316.
What medical group is Dr. Michael Tsimis part of?
Dr. Tsimis is linked to Corewell Health Medical Group West. Dmand AI links Dr. Tsimis to 4 more medical groups.
Does Dr. Michael Tsimis accept Medicare?
Yes. CMS data shows Dr. Tsimis billed Medicare for 14 services in 2019, and Dr. Tsimis accepts Medicare assignment.
How many Medicare patients does Dr. Michael Tsimis see?
CMS counts 16 Medicare patients who saw Dr. Tsimis in 2024, with an average age of 37.
What services does Dr. Michael Tsimis bill to Medicare?
In 2019, Dr. Tsimis' most billed Medicare services were ultrasound (76816).
Where did Dr. Michael Tsimis go to medical school?
Dr. Tsimis graduated from Wayne State University School of Medicine in 2010.
Has Dr. Michael Tsimis received payments from drug or device companies?
CMS Open Payments shows $52 in general payments to Dr. Tsimis from 2 companies from 2018 to 2018. The largest total came from Hologic Inc.
How long has Dr. Michael Tsimis been practicing?
Dr. Tsimis graduated from medical school in 2010, 16 years ago.
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