Guy William Chambers, M.D.
Infectious Disease Physician · Saint Louis, MO
Guy William Chambers, M.D. is an infectious disease physician with a practice address in Saint Louis, Missouri, and NPI 1215039128, issued on Sep 1, 2006. Check the license (Missouri R7B27, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Guy William Chambers
- Credential
- M.D.
- Primary taxonomy
- Infectious Disease Physician 207RI0200X
- License number
- R7B27 MO
Self-reported in NPPES; status is on the state search - Practice location
- 3009 N Ballas RD Ste 250C, Saint Louis, MO 63131
- Phone
- (314) 432-5616
- Enumerated
- Sep 1, 2006
- Record last updated
- Aug 23, 2024
- Medicaid ID
- 203552419 MO
- Medicare enrollment
- Enrolled (PECOS I20120221001032); accepts Medicare assignment
- Medical or professional school
- University Of Massachusetts Medical School, 1979
- Entity
- Type 1 · individual
8 nearest infectious disease physician records → All 212 in Missouri → Look up another NPI →
Verify Guy William Chambers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license R7B27Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average infectious disease physician in 2024
182 Medicare Part D claims for 41 beneficiaries, against an average of 689 among the 7,388 providers of this specialty who prescribed in Part D.
Most prescribed
- Ceftriaxone43 claims
- Cefazolin Sodium25 claims
- Vancomycin Hcl16 claims
- Ampicillin Sodium15 claims
- Efavirenz-Emtric-Tenofov Disop14 claims
- Doxycycline Hyclate11 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.
Guy William Chambers among 212 infectious disease physician records in Missouri
Guy William Chambers, M.D. is one of 212 infectious disease physician records with a practice address in Missouri. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 56% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated1979 · median 2004 among the 147 with a school on file
- Record last updated2024 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0200X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Infectious Disease Physician providers in Missouri
There are 212 infectious disease physician records in Missouri.
All 212 in Missouri → Every provider in Saint Louis → Infectious Disease Physician nationwide →
The 8 infectious disease physician records with the nearest ZIP codes
- Michael Gutwein, M.D.Saint Louis, MO 631311780640037
- Bradley Stoner, MDSaint Louis, MO 631301659334555
- Ramona Aitken, MDSaint Louis, MO 631281124095864
- Aamina Akhtar, MDSt Louis, MO 631281124095831
- Amber Bokhari, MDSaint Louis, MO 631281457864175
- Ali Etemady-DeylamySaint Louis, MO 631281760864888
- Rajashree Gottimukkula, MDSaint Louis, MO 631281528246071
- Uchenna Ikediobi, M.D.Saint Louis, MO 631281598085771
Common questions
What is Guy William Chambers, M.D.'s NPI number?
Guy William Chambers, M.D.'s National Provider Identifier (NPI) is 1215039128, issued on Sep 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Guy William Chambers, M.D. located?
The NPPES record lists a practice address at 3009 N Ballas RD Ste 250C, Saint Louis, MO, 63131. Phone: (314) 432-5616. Providers update this record themselves, so call before visiting.
How can I verify Guy William Chambers, M.D.'s license?
NPPES lists Missouri license number R7B27, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Guy William Chambers, M.D. prescribe under Medicare Part D?
In 2024, Guy William Chambers, M.D. had 182 Medicare Part D claims for 41 beneficiaries; the average among infectious disease physician prescribers was 689. 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.