Keith Timothy Ferguson, M.D.
Pulmonary Disease Physician · Saint Louis, MO
Keith Timothy Ferguson, M.D. is a pulmonary disease physician with a practice address in Saint Louis, Missouri, and NPI 1861758526, issued on Apr 6, 2012. Check the license (Missouri 2020013186, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Keith Timothy Ferguson
- Credential
- M.D.
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License numbers
- 2020013186 MO
036140072 IL
61842-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 3660 Vista Ave, Saint Louis, MO 63110
- Phone
- (314) 977-6100
- Enumerated
- Apr 6, 2012
- Record last updated
- Jun 22, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (314) 977-6164
- Medicaid ID
- 1861758526 WI
- Medicare enrollment
- Enrolled (PECOS I20200731001055); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 332 in Missouri → Look up another NPI →
Also registered at 3660 Vista Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ali Al Balushi, M.D.Student in an Organized Health Care Education/Training Program1356750301
- Mary Barron, APRNFamily Nurse Practitioner1760600977
- Taylor BastinHospitalist Physician1205464492
- Shannon Brueggemann, MS, RDN, LDNRegistered Dietitian1679988810
- Kent Buxton, MDInternal Medicine Physician1740749746
- David Crafts, M.D.Specialist1891884870
Verify Keith Timothy Ferguson 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 2020013186Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
79% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
296 Medicare Part D claims for 52 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 62% of claims.
Most prescribed
- Albuterol Sulfate Hfa65 claims
- Trelegy Ellipta40 claims
- Wixela Inhub18 claims
- Breo Ellipta16 claims
- Arexvy14 claims
- Spiriva Respimat13 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.
Bills Medicare through one group practice
- Ssm Health Care GroupSaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Keith Timothy Ferguson among 332 pulmonary disease physician records in Missouri
Keith Timothy Ferguson, M.D. is one of 332 pulmonary disease physician records with a practice address in Missouri. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 73% of them.
- NPI issued2012 · 73% of these records are older, 24% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2012 · median 2003 among the 246 with a school on file
- Record last updated2020 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in Missouri
There are 332 pulmonary disease physician records in Missouri.
All 332 in Missouri → Every provider in Saint Louis → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Leonidas Carayannopoulos, MDSaint Louis, MO 631101043236367
- Murali Chakinala, MDSaint Louis, MO 631101407872724
- Jonathan Green, MDSaint Louis, MO 631101033140553
- Ramsey Hachem, MDSaint Louis, MO 631101891711016
- Jeffrey Haspel, MDSaint Louis, MO 631101376578344
- Warren Isakow, MDSaint Louis, MO 631101285607341
- Marin Kollef, MDSaint Louis, MO 631101326077165
- Janet Lee, MDSaint Louis, MO 631101912979824
Common questions
What is Keith Timothy Ferguson, M.D.'s NPI number?
Keith Timothy Ferguson, M.D.'s National Provider Identifier (NPI) is 1861758526, issued on Apr 6, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Keith Timothy Ferguson, M.D. located?
The NPPES record lists a practice address at 3660 Vista Ave, Saint Louis, MO, 63110. Phone: (314) 977-6100. Providers update this record themselves, so call before visiting.
How can I verify Keith Timothy Ferguson, M.D.'s license?
NPPES lists Missouri license number 2020013186, 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 Keith Timothy Ferguson, M.D. prescribe under Medicare Part D?
In 2024, Keith Timothy Ferguson, M.D. had 296 Medicare Part D claims for 52 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.