Dr. Guy William Chambers III, MD
- Medicare services, 2024
- 816
- Medicare patients, 2024
- 94
- Part D claims, 2024
- 182
- Hospital affiliations
- 3
- State license
- 1
- Practice address
- 3015 N Ballas Rd, Saint Louis, MO 63131
- Practice phone
- Call (314) 996-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Guy William Chambers III is an infectious disease specialist in Saint Louis, Missouri
Dr. Chambers practices at Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health.
Dr. Chambers' NPI, 1215039128, was assigned on September 1, 2006. Dr. Chambers graduated from University of Massachusetts Medical School in 1979. Dr. Chambers holds Missouri license R7B27.
- NPI
- 1215039128NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456519503
- NPI enumeration date
- September 1, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 996-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 73
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Guy William Chambers III practices at Missouri Baptist Medical Center in Saint Louis, Missouri
Dr. Chambers' primary practice is Missouri Baptist Medical Center, at 3015 N Ballas Rd, Saint Louis, MO 63131 in St. Louis County. The practice phone is (314) 996-5000.
- Missouri Baptist Medical Center3015 N Ballas Rd, Saint Louis, MO 63131 · St. Louis CountyPhone(314) 996-5000
Source: Dmand AI Affiliation Data
Dr. Guy William Chambers III is affiliated with 4 sites of care
Dr. Chambers' primary practice is Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health. Dr. Chambers is also affiliated with Barnes-Jewish Hospital. Dmand AI also links Dr. Chambers to 1 more hospital and 1 home health agency, each named with a free account. Dr. Chambers' employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Guy William Chambers III's 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 |
|---|---|
| Missouri Baptist Medical Center | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Guy William Chambers III is one of 179 infectious disease specialists in Missouri
Infectious disease is Dr. Chambers' primary specialty in the NPI Registry, under taxonomy code 207RI0200X. Dr. Chambers is licensed in Missouri.
Specialties and state licenses
- Infectious disease, MissouriPrimary
Infectious disease specialists near Dr. Chambers
Counts of infectious disease specialists 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. Guy William Chambers III billed Medicare for 816 services in 2024
CMS data shows 816 Medicare services from Dr. Chambers across 4 procedure codes in 2024, for 94 Medicare patients. Medicare paid $62,143 for them.
Dr. Chambers' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,1422024: 81629%
Where Dr. Chambers' Medicare services took place, 2024
- In an office283%
- In a facility78897%
Dr. Chambers compared with the Missouri median for infectious disease specialists, 2024
- Dr. Chambers
- Missouri median
- Medicare services
- 816vs 2763.0 times
- Medicare patients
- 94vs 12726% below
- Part D claims
- 124vs 20339% below
Medians across 176 infectious disease specialists in Missouri 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 infectious disease specialists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Guy William Chambers III treated 94 Medicare patients in 2024, average age 77
CMS counts 94 Medicare patients who saw Dr. Chambers in 2024. The largest group is 75 to 84, with 35 patients. 75% of them have arthritis, and 75% have high blood pressure. 16% are also on Medicaid. Their average risk score is 2.75, 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 68, with 47% women.
Dr. Chambers' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chambers' Medicare patients by sex, 2024
- Women3941%
- Men5559%
Chronic conditions among Dr. Chambers' Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease66%
- Ischemic heart disease56%
- Heart failure54%
- Diabetes53%
- Atrial fibrillation48%
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 68
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Guy William Chambers III wrote 182 Medicare Part D claims in 2024
In 2024, Dr. Chambers wrote 182 Medicare Part D claims for 41 patients. 97% of them were for generic drugs. CMS names the drug for 124 of them, across 6 drugs with 11 or more claims each, at $10,295 in total drug cost. In 2023, CMS named 208 claims across 9 drugs.
Dr. Chambers' Part D claims by kind of drug, 2024
- Generic176 claims97%
- Brand-name and other6 claims3%
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
- Antibiotics83%151 of 182 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: 2082024: 12440%
Drugs named by CMS: 6 in 2024, 9 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
How Dr. Guy William Chambers III takes part in Medicare
Dr. Chambers accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Guy William Chambers III graduated from University of Massachusetts Medical School
Dr. Chambers graduated from University of Massachusetts Medical School in 1979.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Guy William Chambers III'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Guy William Chambers III
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. Guy William Chambers III's NPI number?
Dr. Guy William Chambers III's NPI number is 1215039128. It was assigned on September 1, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Guy William Chambers III?
Dr. Guy William Chambers III is an infectious disease specialist in Saint Louis, Missouri. The primary specialty in the NPI Registry is Infectious Disease Physician (taxonomy code 207RI0200X).
Where does Dr. Guy William Chambers III practice?
Dr. Chambers practices at 3015 N Ballas Rd, Saint Louis, MO 63131. Dr. Chambers' primary practice is Missouri Baptist Medical Center in Saint Louis, Missouri, part of BJC Health. Dmand AI also links Dr. Chambers to 1 hospital and 1 home health agency.
What is Dr. Guy William Chambers III's office phone number?
The practice phone on file for Dr. Chambers is (314) 996-5000.
What is Dr. Guy William Chambers III's medical license number?
Dr. Chambers holds Missouri license R7B27.
Which hospitals is Dr. Guy William Chambers III affiliated with?
Dr. Chambers practices at Missouri Baptist Medical Center in Saint Louis, Missouri. Dr. Chambers is also affiliated with Barnes-Jewish Hospital. Dmand AI links Dr. Chambers to 1 more hospital.
Does Dr. Guy William Chambers III accept Medicare?
Yes. CMS data shows Dr. Chambers billed Medicare for 816 services in 2024, and Dr. Chambers accepts Medicare assignment.
How many Medicare patients does Dr. Guy William Chambers III see?
CMS counts 94 Medicare patients who saw Dr. Chambers in 2024, with an average age of 77.
What services does Dr. Guy William Chambers III bill to Medicare?
In 2024, Dr. Chambers' most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99223).
Where did Dr. Guy William Chambers III go to medical school?
Dr. Chambers graduated from University of Massachusetts Medical School in 1979.
What drugs does Dr. Guy William Chambers III prescribe most?
In 2024 Medicare Part D data, Dr. Chambers' most prescribed drugs by claims were Ceftriaxone, Cefazolin Sodium and Vancomycin HCl.
How long has Dr. Guy William Chambers III been practicing?
Dr. Chambers graduated from medical school in 1979, 47 years ago.
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