Dr. James L. Chambers, DO
- Medicare services, 2024
- 3,908
- Medicare patients, 2024
- 718
- Part D claims, 2024
- 7,719
- Hospital affiliations
- 3
- Industry payments
- $29,535
- Practice address
- 5100 Gateway Ctr, Flint, MI 48507
- Practice phone
- Call (810) 733-6480
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Cardiology Institute of Michigan
Flint, Michigan
Find Dr. Chambers' professional email, personal email and mobile number
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Dr. James L. Chambers is a cardiologist in Flint, Michigan
Dr. Chambers practices at Cardiology Institute of Michigan in Flint, Michigan.
Dr. Chambers' NPI, 1295722288, was assigned on October 4, 2005. Dr. Chambers graduated from West Virginia School of Osteopathic Medicine in 1978. Dr. Chambers holds Michigan license 5101008059.
- NPI
- 1295722288NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3577550516
- NPI enumeration date
- October 4, 2005
- NPI status
- Active
- Practice phone
- (810) 733-6480
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 74
- Medical school graduation
- 1978
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. James L. Chambers practices at Cardiology Institute of Michigan in Flint, Michigan
Dr. Chambers' primary practice is Cardiology Institute of Michigan, at 5100 Gateway Ctr, Flint, MI 48507 in Genesee County. The practice phone is (810) 733-6480.
- Cardiology Institute of Michigan5100 Gateway Ctr, Flint, MI 48507 · Genesee CountyPhone(810) 733-6480
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. James L. Chambers is affiliated with 5 sites of care and 1 medical group
Dr. Chambers' primary practice is Cardiology Institute of Michigan in Flint, Michigan. Dr. Chambers is also affiliated with Hurley Medical Center. The medical group on file is The Cardiology Institute of Michigan. Dmand AI also links Dr. Chambers to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. James L. Chambers' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chambers practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Cardiology Institute of Michigan | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. James L. Chambers is one of 768 cardiologists in Michigan
Cardiovascular disease is Dr. Chambers' primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dr. Chambers is licensed in Michigan.
Specialties and state licenses
- Cardiovascular disease, MichiganPrimary
Cardiologists near Dr. Chambers
Counts of cardiologists 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. James L. Chambers billed Medicare for 3,908 services in 2024
CMS data shows 3,908 Medicare services from Dr. Chambers across 23 procedure codes in 2024, for 718 Medicare patients. Medicare paid $284,059 for them.
Dr. Chambers' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 2,2992024: 2,2034%
- Office and hospital visits
- 2023: 1,5112024: 1,08029%
- Other services
- 2023: 5712024: 27652%
- Drugs given in the office
- 2023: 3792024: 21144%
- Imaging
- 2023: 1692024: 13818%
Where Dr. Chambers' Medicare services took place, 2024
- In an office3,65694%
- In a facility2526%
Dr. Chambers compared with the Michigan median for cardiologists, 2024
- Dr. Chambers
- Michigan median
- Medicare services
- 3,908vs 1,4352.7 times
- Medicare patients
- 718vs 64411% above
- Part D claims
- 7,417vs 1,5624.7 times
Medians across 749 cardiologists 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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chambers and other cardiologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. James L. Chambers treated 718 Medicare patients in 2024, average age 75
CMS counts 718 Medicare patients who saw Dr. Chambers in 2024. The largest group is 65 to 74, with 281 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 1.54, 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 73, with 48% women.
Dr. Chambers' Medicare patients by age, 2024
Dr. Chambers' Medicare patients by sex, 2024
- Women36551%
- Men35349%
Chronic conditions among Dr. Chambers' Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Ischemic heart disease49%
- Diabetes37%
- Chronic kidney disease36%
- Atrial fibrillation35%
- Heart failure28%
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 73
Patient panel by sex, all payers
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. James L. Chambers wrote 7,719 Medicare Part D claims in 2024
In 2024, Dr. Chambers wrote 7,719 Medicare Part D claims for 1,112 patients. 66% of them were for generic drugs. CMS names the drug for 7,417 of them, across 62 drugs with 11 or more claims each, at $3,515,100 in total drug cost. In 2023, CMS named 7,509 claims across 65 drugs.
Dr. Chambers' Part D claims by kind of drug, 2024
- Generic5,130 claims66%
- Brand-name and other2,589 claims34%
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.
Drug classes CMS tracks in Dr. Chambers' Part D claims, 2024
- Antibiotics0%24 of 7,719 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7,5092024: 7,4171%
Drugs named by CMS: 62 in 2024, 65 in 2023.
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
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Dr. James L. Chambers received $29,535 in industry payments from 2016 to 2025
CMS Open Payments shows 1,134 general payments to Dr. Chambers from 66 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 92% of the total. Medtronic, Inc. paid the most, $3,780.
General payments to Dr. Chambers by program year, 2016 to 2025
General payments to Dr. Chambers by kind, 2016 to 2025
- Food and beverage$27,29792%
- Travel and lodging$1,5455%
- Consulting fees$5002%
- Education$1931%
Companies that paid Dr. Chambers the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. James L. Chambers graduated from West Virginia School of Osteopathic Medicine
Dr. Chambers graduated from West Virginia School of Osteopathic Medicine in 1978.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. James L. Chambers's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. James L. 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. James L. Chambers' NPI number?
Dr. James L. Chambers' NPI number is 1295722288. It was assigned on October 4, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. James L. Chambers?
Dr. James L. Chambers is a cardiologist in Flint, Michigan. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).
Where does Dr. James L. Chambers practice?
Dr. Chambers practices at 5100 Gateway Ctr, Flint, MI 48507. Dr. Chambers' primary practice is Cardiology Institute of Michigan in Flint, Michigan. Dmand AI also links Dr. Chambers to 2 hospitals and 1 group practice or clinic.
What is Dr. James L. Chambers' office phone number?
The practice phone on file for Dr. Chambers is (810) 733-6480.
What is Dr. James L. Chambers' medical license number?
Dr. Chambers holds Michigan license 5101008059.
Which hospitals is Dr. James L. Chambers affiliated with?
Dr. Chambers is affiliated with Hurley Medical Center. Dmand AI links Dr. Chambers to 2 more hospitals.
What medical group is Dr. James L. Chambers part of?
Dr. Chambers is linked to The Cardiology Institute of Michigan.
Does Dr. James L. Chambers accept Medicare?
Yes. CMS data shows Dr. Chambers billed Medicare for 3,908 services in 2024.
How many Medicare patients does Dr. James L. Chambers see?
CMS counts 718 Medicare patients who saw Dr. Chambers in 2024, with an average age of 75.
What services does Dr. James L. Chambers bill to Medicare?
In 2024, Dr. Chambers' most billed Medicare services were heart test or procedure (93000), office visit, established patient (99214) and medical supplies or transport (A9500).
Show 4 more questionsShow fewer questions
Where did Dr. James L. Chambers go to medical school?
Dr. Chambers graduated from West Virginia School of Osteopathic Medicine in 1978.
What drugs does Dr. James L. Chambers prescribe most?
In 2024 Medicare Part D data, Dr. Chambers' most prescribed drugs by claims were Eliquis, Xarelto and Metoprolol Tartrate.
Has Dr. James L. Chambers received payments from drug or device companies?
CMS Open Payments shows $29,535 in general payments to Dr. Chambers from 66 companies from 2016 to 2025. The largest total came from Medtronic, Inc.
How long has Dr. James L. Chambers been practicing?
Dr. Chambers graduated from medical school in 1978, 48 years ago.
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