Jack Douglas Dehaan, MD
Emergency Medicine Physician · Grand Blanc, MI
Jack Douglas Dehaan, MD is an emergency medicine physician with a practice address in Grand Blanc, Michigan, and NPI 1851975429, issued on May 10, 2021. Check the license (Michigan 4351048260, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Jack Douglas Dehaan
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- 4351048260 MI
01096929A IN
Self-reported in NPPES; status is on the state search - Practice location
- 1 Genesys Pkwy, Grand Blanc, MI 48439
- Phone
- (810) 606-6372
- Enumerated
- May 10, 2021
- Record last updated
- Sep 3, 2025
- Fax
- (810) 606-5990
- Medicare enrollment
- Enrolled (PECOS I20250712000799); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,083 in Michigan → Look up another NPI →
Also registered at 1 Genesys Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Muhammad Ahmed, MDFamily Medicine Physician1710800578
- Sana Ahmed, MDFamily Medicine Physician1871974592
Verify Jack Douglas Dehaan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4351048260Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
81% fewer Medicare Part D claims than the average emergency medicine physician in 2024
44 Medicare Part D claims for 41 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $15.49
1 payment: food and beverage; the largest payer was Genentech USA, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Cep America LLCElkhart, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jack Douglas Dehaan among 3,083 emergency medicine physician records in Michigan
Jack Douglas Dehaan, MD is one of 3,083 emergency medicine physician records with a practice address in Michigan. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 82% of them.
- NPI issued2021 · 82% of these records are older, 14% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2020 · median 2013 among the 1,931 with a school on file
- Record last updated2025 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
82 emergency medicine physician records list a practice address in Grand Blanc
They are 82 of the 1,735 NPPES records with a practice address in Grand Blanc, and 3,083 emergency medicine physician records in Michigan.
All 3,083 in Michigan → Every provider in Grand Blanc → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Michael Chapman, D.O.Grand Blanc, MI 484391457557647
- Bradley Chappell, DO, MHAGrand Blanc, MI 484391144426479
- Bryan Eadie, DOGrand Blanc, MI 484391720247299
- Scott Greib, MDGrand Blanc, MI 484391154304855
- Amy KaluzaGrand Blanc, MI 484391437355229
- Kurt Keogh, MDGrand Blanc, MI 484391528041407
- Virginia Labond, MDGrand Blanc, MI 484391962485920
- Ananda Pandurangadu, M.D.Grand Blanc, MI 484391891963641
Common questions
What is Jack Douglas Dehaan, MD's NPI number?
Jack Douglas Dehaan, MD's National Provider Identifier (NPI) is 1851975429, issued on May 10, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Jack Douglas Dehaan, MD located?
The NPPES record lists a practice address at 1 Genesys Pkwy, Grand Blanc, MI, 48439. Phone: (810) 606-6372. Providers update this record themselves, so call before visiting.
How can I verify Jack Douglas Dehaan, MD's license?
NPPES lists Michigan license number 4351048260, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jack Douglas Dehaan, MD prescribe under Medicare Part D?
In 2024, Jack Douglas Dehaan, MD had 44 Medicare Part D claims for 41 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.