Christopher John Shamass, D.O.
Emergency Medicine Physician · Mount Clemens, MI
Christopher John Shamass, D.O. is an emergency medicine physician with a practice address in Mount Clemens, Michigan, and NPI 1376807784, issued on Jun 29, 2012. Check the license (Michigan 5101019938, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Christopher John Shamass
- Credential
- D.O.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 5101019938 MI
Self-reported in NPPES; status is on the state search - Practice location
- 1000 Harrington Boulevard, Mount Clemens, MI 48043
- Phone
- (586) 493-8195
- Enumerated
- Jun 29, 2012
- Record last updated
- Jun 29, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (586) 493-3250
- Medicare enrollment
- Enrolled (PECOS I20150803000503); accepts Medicare assignment
- Medical or professional school
- Michigan State University College Of Osteopathic Medicine, 2012
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 3,083 in Michigan → Look up another NPI →
Verify Christopher John Shamass in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 5101019938Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
64% fewer Medicare Part D claims than the average emergency medicine physician in 2024
82 Medicare Part D claims for 62 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 18 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen16 claims
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: $122.93
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. 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 2 group practices
- Macomb Emergency Physicians PLLCMount Clemens, MI
- Observation Physicians OF Macomb PLLCMount Clemens, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher John Shamass among 3,083 emergency medicine physician records in Michigan
Christopher John Shamass, D.O. 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 2012, is newer than 48% of them.
- NPI issued2012 · 48% of these records are older, 49% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2012 · median 2013 among the 1,931 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 207P00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
49 emergency medicine physician records list a practice address in Mount Clemens
They are 49 of the 858 NPPES records with a practice address in Mount Clemens, and 3,083 emergency medicine physician records in Michigan.
All 3,083 in Michigan → Every provider in Mount Clemens → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Glenn Delong, DOMt Clemens, MI 480431013953298
- Patrick Flaherty, DOMount Clemens, MI 480431407066095
- Joe Flynn, DOMount Clemens, MI 480431700945284
- William Halacoglu, DOMt Clemens, MI 480431407898737
- Michael Kitto, DOMt Clemens, MI 480431972547883
- Trevor Kliebert, D.O.Mount Clemens, MI 480431588871271
- James Larkin, DOMt Clemens, MI 480431710921630
- Julie Lata, D.O.Mount Clemens, MI 480431689882854
Common questions
What is Christopher John Shamass, D.O.'s NPI number?
Christopher John Shamass, D.O.'s National Provider Identifier (NPI) is 1376807784, issued on Jun 29, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Christopher John Shamass, D.O. located?
The NPPES record lists a practice address at 1000 Harrington Boulevard, Mount Clemens, MI, 48043. Phone: (586) 493-8195. Providers update this record themselves, so call before visiting.
How can I verify Christopher John Shamass, D.O.'s license?
NPPES lists Michigan license number 5101019938, 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 Christopher John Shamass, D.O. prescribe under Medicare Part D?
In 2024, Christopher John Shamass, D.O. had 82 Medicare Part D claims for 62 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.