Christopher M. Chambers, MD, PHD
Vascular Surgery Physician · Grand Rapids, MI
Christopher M. Chambers, MD, PHD is a vascular surgery physician with a practice address in Grand Rapids, Michigan, and NPI 1184831869, issued on May 16, 2007. Check the license (Michigan 4301091284, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Christopher M. Chambers
- Credential
- MD, PHD
- Primary taxonomy
- Vascular Surgery Physician 2086S0129X
- License numbers
- 4301091284 MI
036158917 IL
Self-reported in NPPES; status is on the state search - Practice location
- 275 Michigan St NE, Grand Rapids, MI 49503
- Phone
- (616) 267-8700
- Enumerated
- May 16, 2007
- Record last updated
- Sep 22, 2025
- Fax
- (616) 267-8247
- Medicare enrollment
- Enrolled (PECOS I20080722000751); accepts Medicare assignment
- Medical or professional school
- University Of South Florida College Of Medicine, 2002
- Entity
- Type 1 · individual
8 nearest vascular surgery physician records → All 199 in Michigan → Look up another NPI →
Also registered at 275 Michigan St NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shan Abbas, M.D.Epilepsy Physician1730362674
- Esam Abobaker, DONeurology Physician1225770639
- Asad Ahrar, MDVascular Neurology Physician1861919722
- Shruti Anand, MDGeriatric Medicine (Internal Medicine) Physician1063908416
- Mara Arnett, PA-CPhysician Assistant1841692001
- Charles Asbury, D.O.Epilepsy Physician1114378692
Verify Christopher M. Chambers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 4301091284Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
8% fewer Medicare Part D claims than the average vascular surgery physician in 2024
184 Medicare Part D claims for 59 beneficiaries, against an average of 201 among the 3,936 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.
Most prescribed
- Clopidogrel78 claims
- Eliquis40 claims
- Xarelto21 claims
- Cilostazol14 claims
- Atorvastatin Calcium13 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: $328.34
9 payments; by number, the most common kind was food and beverage; the largest payer was Kerecis Limited. The 4,059 providers of this specialty with any payment received $6,178.00 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
- Fairview Heights Medical Group SCBelleville, IL
- Spectrum Health Primary Care PartnersGrand Rapids, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Christopher M. Chambers among 199 vascular surgery physician records in Michigan
Christopher M. Chambers, MD, PHD is one of 199 vascular surgery physician records with a practice address in Michigan. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 52% of them.
- NPI issued2007 · 52% of these records are older, 37% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2002 · median 2002 among the 134 with a school on file
- Record last updated2025 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2086S0129X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Vascular Surgery Physician providers in Michigan
There are 199 vascular surgery physician records in Michigan.
All 199 in Michigan → Every provider in Grand Rapids → Vascular Surgery Physician nationwide →
The 8 vascular surgery physician records with the nearest ZIP codes
- Stefano Bordoli, M.D.Grand Rapids, MI 495031760648364
- Dar Chung, MDGrand Rapids, MI 495031538802731
- Vikram Kashyap, MDGrand Rapids, MI 495031548227457
- Andrew Kimball, M.D.Grand Rapids, MI 495031700147873
- Michelle Kosovec, M.D.Grand Rapids, MI 495031578859542
- M Mansour, MDGrand Rapids, MI 495031487697421
- Jake Nicholson, DOGrand Rapids, MI 495031467013698
- Justin Simmons, DOGrand Rapids, MI 495031235392598
Common questions
What is Christopher M. Chambers, MD, PHD's NPI number?
Christopher M. Chambers, MD, PHD's National Provider Identifier (NPI) is 1184831869, issued on May 16, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Christopher M. Chambers, MD, PHD located?
The NPPES record lists a practice address at 275 Michigan St NE, Grand Rapids, MI, 49503. Phone: (616) 267-8700. Providers update this record themselves, so call before visiting.
How can I verify Christopher M. Chambers, MD, PHD's license?
NPPES lists Michigan license number 4301091284, 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 M. Chambers, MD, PHD prescribe under Medicare Part D?
In 2024, Christopher M. Chambers, MD, PHD had 184 Medicare Part D claims for 59 beneficiaries; the average among vascular surgery physician prescribers was 201. 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.