William S. Chizmar, AA
- Medicare patients, 2024
- 138
- Hospital affiliations
- 1
- Medical groups
- 2
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 200 Jefferson Avenue SE, Grand Rapids, MI 49503
- Practice phone
- Call (616) 685-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find William Chizmar's 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.
William S. Chizmar is an anesthesiologist assistant in Grand Rapids, Michigan
William Chizmar practices at Trinity Health Grand Rapids Hospital in Grand Rapids, Michigan, part of Trinity Health.
William Chizmar's NPI, 1700999513, was assigned on August 16, 2006. William Chizmar graduated from Emory University School of Medicine in 1991. William Chizmar holds Michigan license 39.
- NPI
- 1700999513NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7911195631
- NPI enumeration date
- August 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (616) 685-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William S. Chizmar practices at Trinity Health Grand Rapids Hospital in Grand Rapids, Michigan
William Chizmar's primary practice is Trinity Health Grand Rapids Hospital, at 200 Jefferson Avenue SE, Grand Rapids, MI 49503 in Kent County. The practice phone is (616) 685-5000.
- Trinity Health Grand Rapids Hospital200 Jefferson Avenue SE, Grand Rapids, MI 49503 · Kent CountyPhone(616) 685-5000
Source: Dmand AI Affiliation Data
William S. Chizmar is affiliated with 3 sites of care and 2 medical groups
William Chizmar's primary practice is Trinity Health Grand Rapids Hospital in Grand Rapids, Michigan, part of Trinity Health. The medical group on file is Anesthesia Practice Consultants. Dmand AI also links William Chizmar to 2 more group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William S. Chizmar's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Chizmar practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Trinity Health Grand Rapids Hospital | Available with a free account |
| +2 more sites and 1 medical group | 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 Trinity Health and 6.2K+ hospitals, with verified contacts in the same login.
William S. Chizmar is one of 35 anesthesiologist assistants in Michigan
Anesthesiologist assistant is William Chizmar's primary specialty in the NPI Registry, under taxonomy code 367H00000X. William Chizmar is licensed in Michigan.
Specialties and state licenses
- Anesthesiologist assistant, MichiganPrimary
Anesthesiologist assistants near William Chizmar
Counts of anesthesiologist assistants 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
William S. Chizmar treated 138 Medicare patients in 2024, average age 69
CMS counts 138 Medicare patients who saw William Chizmar in 2024. The largest group is 65 to 74, with 78 patients. 67% of them have high blood pressure, and 66% have high cholesterol. 21% are also on Medicaid. Their average risk score is 1.14, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts William Chizmar's median patient age at 63, with 58% women.
William Chizmar's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
William Chizmar's Medicare patients by sex, 2024
- Women6950%
- Men6950%
Chronic conditions among William Chizmar's Medicare patients, 2024
- High blood pressure67%
- High cholesterol66%
- Arthritis54%
- Mood disorders33%
- Depression31%
- Diabetes30%
- Anxiety29%
- Ischemic heart disease23%
Share of Medicare patients with each condition. A patient can have several.
William Chizmar's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How William S. Chizmar takes part in Medicare
William Chizmar 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)
William S. Chizmar graduated from Emory University School of Medicine
William Chizmar graduated from Emory University School of Medicine in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for William S. Chizmar'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 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) |
| 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 William S. Chizmar
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is William S. Chizmar's NPI number?
William S. Chizmar's NPI number is 1700999513. It was assigned on August 16, 2006, and it is active in the NPI Registry.
What does William S. Chizmar specialize in?
William S. Chizmar is an anesthesiologist assistant in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Anesthesiologist Assistant (taxonomy code 367H00000X).
Where does William S. Chizmar practice?
William Chizmar practices at 200 Jefferson Avenue SE, Grand Rapids, MI 49503. William Chizmar's primary practice is Trinity Health Grand Rapids Hospital in Grand Rapids, Michigan, part of Trinity Health. Dmand AI also links William Chizmar to 2 group practices and clinics and 1 medical group.
What is William S. Chizmar's office phone number?
The practice phone on file for William Chizmar is (616) 685-5000.
What is William S. Chizmar's medical license number?
William Chizmar holds Michigan license 39.
Which hospitals is William S. Chizmar affiliated with?
William Chizmar practices at Trinity Health Grand Rapids Hospital in Grand Rapids, Michigan.
What medical group is William S. Chizmar part of?
William Chizmar is linked to Anesthesia Practice Consultants. Dmand AI links William Chizmar to 1 more medical group.
Does William S. Chizmar accept Medicare?
Yes. CMS lists William Chizmar as accepting Medicare assignment.
How many Medicare patients does William S. Chizmar see?
CMS counts 138 Medicare patients who saw William Chizmar in 2024, with an average age of 69.
Where did William S. Chizmar go to medical school?
William Chizmar graduated from Emory University School of Medicine in 1991.
How long has William S. Chizmar been practicing?
William Chizmar graduated from medical school in 1991, 35 years ago.
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