Christian William Ertl, MD
Surgery Physician · Kalamazoo, MI
Christian William Ertl, MD is a surgery physician with a practice address in Kalamazoo, Michigan, and NPI 1881691178, issued on Jul 1, 2005. Check the license (Michigan 4301093343, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Christian William Ertl
- Credential
- MD
- Primary taxonomy
- Surgery Physician 208600000X
- License number
- 4301093343 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Oakland Dr, Kalamazoo, MI 49008
- Phone
- (269) 337-6260
- Enumerated
- Jul 1, 2005
- Record last updated
- Feb 15, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (269) 337-6530
- Medicaid ID
- 1881691178 MI
- Medicare enrollment
- Enrolled (PECOS I20081103000653); accepts Medicare assignment
- Medical or professional school
- R Franklin University Of Med & Sci/Chicago Medical School, 1992
- Entity
- Type 1 · individual
8 nearest surgery physician records → All 1,376 in Michigan → Look up another NPI →
Also registered at 1000 Oakland Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Syed Muhammad Abbas, MDStudent in an Organized Health Care Education/Training Program1093697260
- Saja AbdelhadiStudent in an Organized Health Care Education/Training Program1003654070
- Peter Abdou, MEDICAL STUDENT (MD)Student in an Organized Health Care Education/Training Program1578243721
- Ramsha Abdul Qadir, MDStudent in an Organized Health Care Education/Training Program1972493583
- Melinda Abernethy, M.D.Reproductive Endocrinology Physician1427254226
Verify Christian William Ertl in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301093343Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average surgery physician in 2024
50 Medicare Part D claims for 26 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 17 claims were for opioids.
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: $139.19
2 payments; by number, the most common kind was food and beverage; the largest payer was Checkpoint Surgical, Inc. The 17,103 providers of this specialty with any payment received $3,513.80 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.
2 hospitals and group practices
- Ascension Borgess Allegan HospitalAllegan, MI · Critical Access Hospitals
- Ascension Medical Group PromedKalamazoo, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov).
Christian William Ertl among 1,376 surgery physician records in Michigan
Christian William Ertl, MD is one of 1,376 surgery physician records with a practice address in Michigan. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated1992 · median 2006 among the 721 with a school on file
- Record last updated2012 · 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 208600000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Surgery Physician providers in Michigan
There are 1,376 surgery physician records in Michigan.
All 1,376 in Michigan → Every provider in Kalamazoo → Surgery Physician nationwide →
The 8 surgery physician records with the nearest ZIP codes
- Karun Amar, MDKalamazoo, MI 490081275944555
- Ryan Bly, MDKalamazoo, MI 490081295170231
- Andrei Botnaru, MDKalamazoo, MI 490081326242421
- Raisa Gao-Gibbons, DOKalamazoo, MI 490081265053003
- Rafael Gevorkyan, MDKalamazoo, MI 490081407050503
- Richard Hodgman, M.D.Kalamazoo, MI 490081528462959
- Lisa Miller, MDKalamazoo, MI 490081427065929
- Muhammad Hassan Nadeem, MDKalamazoo, MI 490081336714674
Common questions
What is Christian William Ertl, MD's NPI number?
Christian William Ertl, MD's National Provider Identifier (NPI) is 1881691178, issued on Jul 1, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Christian William Ertl, MD located?
The NPPES record lists a practice address at 1000 Oakland Dr, Kalamazoo, MI, 49008. Phone: (269) 337-6260. Providers update this record themselves, so call before visiting.
How can I verify Christian William Ertl, MD's license?
NPPES lists Michigan license number 4301093343, 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 Christian William Ertl, MD prescribe under Medicare Part D?
In 2024, Christian William Ertl, MD had 50 Medicare Part D claims for 26 beneficiaries; the average among surgery physician prescribers was 147. 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.