Mark Schlangel
- Medicare services, 2023
- 26
- Medicare patients, 2024
- 59
- Hospital affiliations
- 6
- Industry payments
- $1,878
- Medical groups
- 11
- 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 Mark Schlangel'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.
Mark Schlangel is an anesthesiologist in Grand Rapids, Michigan
Mark Schlangel practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.
Mark Schlangel's NPI, 1427375583, was assigned on April 29, 2010. Mark Schlangel graduated from Yale University School of Medicine in 2010. Mark Schlangel holds Pennsylvania license MD476134.
- NPI
- 1427375583NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1850601980
- NPI enumeration date
- April 29, 2010
- 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
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mark Schlangel practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan
Mark Schlangel'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
Mark Schlangel is affiliated with 10 sites of care and 11 medical groups
Mark Schlangel's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Mark Schlangel is also affiliated with Conemaugh Memorial Medical Center. The medical group on file is Corewell Health Medical Group West. Dmand AI also links Mark Schlangel to 4 more hospitals, 10 medical groups and 4 group practices and clinics, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mark Schlangel's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mark Schlangel practices, 10 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 |
| +9 more sites and 10 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Mark Schlangel is one of 1,302 anesthesiologists in Michigan
Anesthesiology is Mark Schlangel's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has Mark Schlangel's licenses on file in 3 states: Pennsylvania, Florida and Illinois.
Specialties and state licenses
- Anesthesiology, PennsylvaniaPrimary
- Florida license
- Illinois license
Anesthesiologists near Mark Schlangel
Counts of anesthesiologists 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
Mark Schlangel billed Medicare for 26 services in 2023
CMS data shows 26 Medicare services from Mark Schlangel across 2 procedure codes in 2023, for 59 Medicare patients. Medicare paid $4,999 for them. Every service was in a facility, such as a hospital, rather than an office.
Mark Schlangel's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Anesthesia
- 2022: 522023: 1571%
- Surgery
- 2022: 02023: 11
Mark Schlangel compared with the Michigan median for anesthesiologists, 2023
- Mark Schlangel
- Michigan median
- Medicare services
- 26vs 8971% below
- Medicare patients
- 59vs 17767% below
Medians across 1,283 anesthesiologists in Michigan with Dmand AI profiles that report each measure.
Mark Schlangel's most billed Medicare procedure codes, 2023
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 Mark Schlangel and other anesthesiologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Mark Schlangel treated 59 Medicare patients in 2024, average age 73
CMS counts 59 Medicare patients who saw Mark Schlangel in 2024. The largest group is 65 to 74, with 26 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 2.06, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mark Schlangel's median patient age at 67, with 51% women.
Mark Schlangel's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mark Schlangel's Medicare patients by sex, 2024
- Women2847%
- Men3153%
Chronic conditions among Mark Schlangel's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis58%
- Ischemic heart disease51%
- Diabetes47%
- Mood disorders46%
- Depression44%
- Anxiety41%
Share of Medicare patients with each condition. A patient can have several.
Mark Schlangel's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women51%
- Men48%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Mark Schlangel takes part in Medicare
Mark Schlangel 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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Mark Schlangel received $1,878 in industry payments from 2016 to 2023
CMS Open Payments shows 26 general payments to Mark Schlangel from 7 drug and device companies from 2016 to 2023. Travel and lodging make up the largest share, 64% of the total. Abbott Laboratories paid the most, $1,456.
General payments to Mark Schlangel by program year, 2016 to 2023
General payments to Mark Schlangel by kind, 2016 to 2023
- Travel and lodging$1,19364%
- Food and beverage$68536%
Companies that paid Mark Schlangel the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Mark Schlangel graduated from Yale University School of Medicine
Mark Schlangel graduated from Yale University School of Medicine in 2010.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Mark Schlangel'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) |
| 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 Mark Schlangel
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mark Schlangel's NPI number?
Mark Schlangel's NPI number is 1427375583. It was assigned on April 29, 2010, and it is active in the NPI Registry.
What does Mark Schlangel specialize in?
Mark Schlangel is an anesthesiologist in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Mark Schlangel practice?
Mark Schlangel practices at 100 Michigan St NE, Grand Rapids, MI 49503. Mark Schlangel's primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dmand AI also links Mark Schlangel to 4 hospitals, 10 medical groups and 4 group practices and clinics.
What is Mark Schlangel's office phone number?
The practice phone on file for Mark Schlangel is (616) 391-1774.
What is Mark Schlangel's medical license number?
Mark Schlangel holds Pennsylvania license MD476134, one of the licenses on file in 3 states.
Which states has Mark Schlangel been licensed in?
Dmand AI has state licenses on file for Mark Schlangel in Pennsylvania, Florida and Illinois.
Which hospitals is Mark Schlangel affiliated with?
Mark Schlangel practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan. Mark Schlangel is also affiliated with Conemaugh Memorial Medical Center. Dmand AI links Mark Schlangel to 4 more hospitals.
What medical group is Mark Schlangel part of?
Mark Schlangel is linked to Corewell Health Medical Group West. Dmand AI links Mark Schlangel to 10 more medical groups.
Does Mark Schlangel accept Medicare?
Yes. CMS data shows Mark Schlangel billed Medicare for 26 services in 2023, and Mark Schlangel accepts Medicare assignment.
How many Medicare patients does Mark Schlangel see?
CMS counts 59 Medicare patients who saw Mark Schlangel in 2024, with an average age of 73.
Show 4 more questionsShow fewer questions
What services does Mark Schlangel bill to Medicare?
In 2023, Mark Schlangel's most billed Medicare services were anesthesia (00560) and surgery: heart and blood vessels (36620).
Where did Mark Schlangel go to medical school?
Mark Schlangel graduated from Yale University School of Medicine in 2010.
Has Mark Schlangel received payments from drug or device companies?
CMS Open Payments shows $1,878 in general payments to Mark Schlangel from 7 companies from 2016 to 2023. The largest total came from Abbott Laboratories.
How long has Mark Schlangel been practicing?
Mark Schlangel graduated from medical school in 2010, 16 years ago.
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