Dr. Christopher M. Chambers, MD, PhD

  • Grand Rapids, MI
  • Vascular surgeon
NPI1184831869PAC ID8628141785
Medicare services, 2024
516
Medicare patients, 2024
410
Part D claims, 2024
184
Publications
15
Clinical trials
2
Practice address
100 Michigan St NE, Grand Rapids, MI 49503
Practice phone
Call (616) 391-1774
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

See all 12 affiliations

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Dr. Christopher M. Chambers is a vascular surgeon in Grand Rapids, Michigan

Dr. Chambers practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health.

Dr. Chambers' NPI, 1184831869, was assigned on May 16, 2007. Dr. Chambers graduated from USF Health Morsani College of Medicine in 2002. Dr. Chambers holds Michigan license 4301091284.

NPI and contact details
Medicare PAC ID
8628141785
NPI enumeration date
May 16, 2007
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
50
Medical school graduation
2002

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Christopher M. Chambers practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan

Dr. Chambers' 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.

Source: Dmand AI Affiliation Data

Dr. Christopher M. Chambers is affiliated with 8 sites of care and 4 medical groups

Dr. Chambers' primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dr. Chambers is also affiliated with Memorial Hospital in Belleville. The medical group on file is Corewell Health Medical Group West. Dmand AI also links Dr. Chambers to 3 more hospitals, 3 group practices and clinics and 3 medical groups, each named with a free account.

See all 12 affiliations for Dr. Chambers

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Christopher M. Chambers' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chambers practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Corewell Health Grand Rapids Hospitals - ButterworthAvailable with a free account
+7 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Christopher M. Chambers is one of 171 vascular surgeons in Michigan

Vascular surgery is Dr. Chambers' primary specialty in the NPI Registry, under taxonomy code 2086S0129X. Dr. Chambers is board certified in surgery by the American Board of Surgery. Dmand AI has Dr. Chambers' licenses on file in 3 states: Michigan, Illinois and Missouri.

Specialties and state licenses

  • Vascular surgery, MichiganPrimaryLicense 4301091284 · 2007 to 2027 · taxonomy 2086S0129X
  • Illinois licenseLicense 036158917 · 2021 to 2026
  • Missouri license2002 to 2008

Clinical focus

Dmand AI lists amputation, aortic atherosclerois, carotid revascularization, chronic skin ulcer, heart device and aorta surgery, leg revascularization and peripheral vascular disease among the conditions Dr. Chambers treats.

Vascular surgeons near Dr. Chambers

Counts of vascular surgeons 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

Dr. Christopher M. Chambers billed Medicare for 516 services in 2024

CMS data shows 516 Medicare services from Dr. Chambers across 15 procedure codes in 2024, for 410 Medicare patients. Medicare paid $44,296 for them.

Medicare services, 2024516
Medicare patients410
Paid by Medicare$44,296
Procedure codes15

Dr. Chambers' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Tests and treatments
2023: 3152024: 3191%
Office and hospital visits
2023: 1582024: 18618%
Imaging
2023: 252024: 1156%

Where Dr. Chambers' Medicare services took place, 2024

  • In an office43484%
  • In a facility8216%

Dr. Chambers compared with the Michigan median for vascular surgeons, 2024

  • Dr. Chambers
  • Michigan median
Medicare services
516vs 80736% below
Medicare patients
410vs 3856% above
Part D claims
166vs 812.0 times

Medians across 163 vascular surgeons in Michigan with Dmand AI profiles that report each measure.

Dr. Chambers' most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Chambers

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chambers and other vascular surgeons in Michigan.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Christopher M. Chambers treated 410 Medicare patients in 2024, average age 74

CMS counts 410 Medicare patients who saw Dr. Chambers in 2024. The largest group is 65 to 74, with 160 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 17% are also on Medicaid. Their average risk score is 2.08, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Chambers' median patient age at 71, with 36% women.

Medicare patients, 2024410
Average age74
Average risk score2.08
Also on Medicaid17%

Dr. Chambers' Medicare patients by age, 2024

Dr. Chambers' Medicare patients by sex, 2024

  • Women15839%
  • Men25261%

Chronic conditions among Dr. Chambers' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Ischemic heart disease51%
  4. Arthritis50%
  5. Diabetes40%
  6. Chronic kidney disease35%
  7. COPD34%
  8. Heart failure33%

Share of Medicare patients with each condition. A patient can have several.

Dr. Chambers' patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women36%
  • Men64%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Christopher M. Chambers wrote 184 Medicare Part D claims in 2024

In 2024, Dr. Chambers wrote 184 Medicare Part D claims for 59 patients. 65% of them were for generic drugs. CMS names the drug for 166 of them, across 5 drugs with 11 or more claims each, at $41,671 in total drug cost. In 2023, CMS named 133 claims across 4 drugs.

Part D claims, 2024184
Drugs named by CMS5
Total drug cost$41,671
Part D patients59

Dr. Chambers' Part D claims by kind of drug, 2024

  • Generic120 claims65%
  • Brand-name64 claims35%

Dr. Chambers' most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1332024: 16625%

Drugs named by CMS: 5 in 2024, 4 in 2023.

See all prescribing by Dr. Chambers

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Dr. Christopher M. Chambers takes part in Medicare

Dr. Chambers accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Leg revascularization (restoring blood flow): 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Spinal fusion: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Christopher M. Chambers has 15 publications on record

Dmand AI links 15 papers to Dr. Chambers, published from 2013 to 2020. 2013 was the busiest year, with 2. The most frequent topics are Blood Vessel Prosthesis Implantation, Cholesterol and Endovascular Procedures. Dr. Chambers has published most often in Am J Surg. Dr. Chambers' most frequent co-authors are Robert Cuff, MD, M Ashraf Mansour, MD and Shonda L. Banegas, DO.

Papers15
Years published2013 to 2020

Dr. Chambers' papers by year, 2013 to 2020

Topics Dr. Chambers writes about most

  • Blood Vessel Prosthesis Implantation
  • Cholesterol
  • Endovascular Procedures
  • Rats, Sprague-Dawley
  • Blood Vessel Prosthesis
  • Hydroxymethylglutaryl CoA Reductases
  • Liver
  • Prosthesis Design

Dr. Chambers' most frequent co-authors

Recent publications by Dr. Chambers

See all 15 publications and co-authors

See who Dr. Chambers researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chambers works with, so you can find a warm path to the right vascular surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Christopher M. Chambers has worked on 2 clinical trials

Dmand AI links Dr. Chambers to 2 clinical trials. Conditions studied include Aortic Aneurysm, Abdominal, Chronic Limb-Threatening Ischemia and Aortic Aneurysm.

Conditions in Dr. Chambers' trials

  • Aortic Aneurysm, Abdominal
  • Chronic Limb-Threatening Ischemia
  • Aortic Aneurysm
  • Peripheral Arterial Disease

Investigators on the most trials with Dr. Chambers

Recent clinical trials with Dr. Chambers

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Christopher M. Chambers received $4,470 in industry payments from 2016 to 2025

CMS Open Payments shows 76 general payments to Dr. Chambers from 24 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 70% of the total. Aesculap Implant Systems, LLC paid the most, $1,488.

General payments to Dr. Chambers by program year, 2016 to 2025

General payments to Dr. Chambers by kind, 2016 to 2025

$4.5Kin total
  • Food and beverage$3,10870%
  • Travel and lodging$1,36230%

Companies that paid Dr. Chambers the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chambers

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Christopher M. Chambers has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Chambers, most recently CMS Stage 1 EHR in 2012.

Awards and honors for Dr. Chambers

  1. 2012
    • CMS Stage 1 EHR
  2. Undated
    • ACS Fellow

Source: Dmand AI Professional Profile Data

Dr. Christopher M. Chambers graduated from USF Health Morsani College of Medicine

Dr. Chambers graduated from USF Health Morsani College of Medicine in 2002. Dr. Chambers is a member of ACS and SVS.

  1. Medical schoolUSF Health Morsani College of Medicine
  2. Board certified in surgeryAmerican Board of Surgery
  3. Board certified in vascular surgeryAmerican Board of Surgery

Source: Dmand AI Professional Profile Data

Dr. Christopher M. Chambers accepts plans from 17 insurance carriers

Dr. Chambers is in network with 17 carriers, including Elevance, Aetna and Health Alliance Plan. Medicare plans come from the most carriers, 12. Check the plan with the practice before a visit.

Plan types Dr. Chambers accepts, by number of carriers

  1. Medicare12
  2. HMO10
  3. PPO10
  4. POS8
  5. Medicaid5
  6. EPO4

Source: Dmand AI Insurance Network Data

Sources for Dr. Christopher M. Chambers's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Christopher M. Chambers

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Christopher M. Chambers' NPI number?

Dr. Christopher M. Chambers' NPI number is 1184831869. It was assigned on May 16, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Christopher M. Chambers?

Dr. Christopher M. Chambers is a vascular surgeon in Grand Rapids, Michigan. The primary specialty in the NPI Registry is Vascular Surgery Physician (taxonomy code 2086S0129X).

Where does Dr. Christopher M. Chambers practice?

Dr. Chambers practices at 100 Michigan St NE, Grand Rapids, MI 49503. Dr. Chambers' primary practice is Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan, part of Corewell Health. Dmand AI also links Dr. Chambers to 3 hospitals, 3 group practices and clinics and 3 medical groups.

What is Dr. Christopher M. Chambers' office phone number?

The practice phone on file for Dr. Chambers is (616) 391-1774.

What is Dr. Christopher M. Chambers' medical license number?

Dr. Chambers holds Michigan license 4301091284, one of the licenses on file in 3 states.

Which states has Dr. Christopher M. Chambers been licensed in?

Dmand AI has state licenses on file for Dr. Chambers in Michigan (2007 to 2027), Illinois (2021 to 2026) and Missouri (2002 to 2008).

Which hospitals is Dr. Christopher M. Chambers affiliated with?

Dr. Chambers practices at Corewell Health Grand Rapids Hospitals - Butterworth in Grand Rapids, Michigan. Dr. Chambers is also affiliated with Memorial Hospital in Belleville. Dmand AI links Dr. Chambers to 3 more hospitals.

What medical group is Dr. Christopher M. Chambers part of?

Dr. Chambers is linked to Corewell Health Medical Group West. Dmand AI links Dr. Chambers to 3 more medical groups.

Does Dr. Christopher M. Chambers accept Medicare?

Yes. CMS data shows Dr. Chambers billed Medicare for 516 services in 2024, and Dr. Chambers accepts Medicare assignment.

How many Medicare patients does Dr. Christopher M. Chambers see?

CMS counts 410 Medicare patients who saw Dr. Chambers in 2024, with an average age of 74.

Show 9 more questionsShow fewer questions

Is Dr. Christopher M. Chambers board certified?

Yes. Dr. Chambers is board certified in surgery by the American Board of Surgery.

What services does Dr. Christopher M. Chambers bill to Medicare?

In 2024, Dr. Chambers' most billed Medicare services were blood vessel study (93922), blood vessel study (93880) and office visit, established patient (99213).

Where did Dr. Christopher M. Chambers go to medical school?

Dr. Chambers graduated from USF Health Morsani College of Medicine in 2002.

What drugs does Dr. Christopher M. Chambers prescribe most?

In 2024 Medicare Part D data, Dr. Chambers' most prescribed drugs by claims were Clopidogrel, Eliquis and Xarelto.

Has Dr. Christopher M. Chambers received payments from drug or device companies?

CMS Open Payments shows $4,470 in general payments to Dr. Chambers from 24 companies from 2016 to 2025. The largest total came from Aesculap Implant Systems, LLC.

How long has Dr. Christopher M. Chambers been practicing?

Dr. Chambers graduated from medical school in 2002, 24 years ago.

Does Dr. Christopher M. Chambers do research?

Dmand AI links 15 publications to Dr. Chambers, published from 2013 to 2020. Dr. Chambers has worked on 2 clinical trials.

Who does Dr. Christopher M. Chambers publish with?

Dr. Chambers' most frequent co-authors are Robert Cuff, MD (8 shared papers), M Ashraf Mansour, MD (5 shared papers) and Shonda L. Banegas, DO (2 shared papers).

What insurance does Dr. Christopher M. Chambers accept?

Dr. Chambers is in network with 17 carriers, including Elevance, Aetna and Health Alliance Plan. Medicare plans come from the most carriers, 12. Check the plan with the practice before a visit.

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