Larry C. Buck, DO
Internal Medicine Physician · Ferguson, MO
Larry C. Buck, DO is an internal medicine physician with a practice address in Ferguson, Missouri, and NPI 1851749139, issued on May 27, 2016. Check the license (Missouri 2019024147, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Larry C. Buck
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 2019024147 MO
Self-reported in NPPES; status is on the state search - Practice location
- 199 N Florissant RD, Ferguson, MO 63135
- Phone
- (314) 449-9640
- Enumerated
- May 27, 2016
- Record last updated
- Sep 24, 2025
- Fax
- (314) 449-9642
- Medicare enrollment
- Enrolled (PECOS I20200724002190); may accept Medicare assignment
- Medical or professional school
- At Still University Of Health Sciences, College Of Osteo Med, Kirksville, 2016
- Entity
- Type 1 · individual
Also registered at 199 N Florissant RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Amber Aldridge, FNPFamily Nurse Practitioner1689389421
- Terri Coble, M.D.Internal Medicine Physician1497832224
- Erika Lindsey, NPFamily Nurse Practitioner1356227045
- Elizabeth Liu, DOFamily Medicine Physician1275078552
- Laquisha Robinson, FNP-CFamily Nurse Practitioner1649806266
Verify Larry C. Buck 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 2019024147Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.3 times the Medicare Part D claims of the average internal medicine physician in 2024
7,204 Medicare Part D claims for 504 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 238 claims were for opioids.
Most prescribed
- Amlodipine Besylate453 claims
- Atorvastatin Calcium417 claims
- Losartan Potassium386 claims
- Rosuvastatin Calcium304 claims
- Metformin Hcl238 claims
- Gabapentin211 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.
Industry payments in 2024: $326.93
15 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
3 internal medicine physician records list a practice address in Ferguson
They are 3 of the 88 NPPES records with a practice address in Ferguson, and 2,604 internal medicine physician records in Missouri.
All 3 in Ferguson → All 2,604 in Missouri → Every provider in Ferguson →
Other internal medicine physician records in Missouri
- Betty Abban, M.D.Springfield, MO1063893162
- Amer Abbas, MDSaint Louis, MO1508480666
- Fizza Abbas, MDSaint Louis, MO1588079230
- Marghoob Abbas, M.D.St Joseph, MO1588603781
- Muhammad Khalid Abbas, M.D.Springfield, MO1447877089
- Sundas Abbas, MDRichmond Heights, MO1649790486
- Hajira Abbasi, DOSaint Louis, MO1194036947
- Catey Abbott, DOSaint Louis, MO1699355347
- David Abbott, MDRichmond Heights, MO1568448850
- Wael Abduljaber, MDSaint Louis, MO1174101489
Common questions
What is Larry C. Buck, DO's NPI number?
Larry C. Buck, DO's National Provider Identifier (NPI) is 1851749139, issued on May 27, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Larry C. Buck, DO located?
The NPPES record lists a practice address at 199 N Florissant RD, Ferguson, MO, 63135. Phone: (314) 449-9640. Providers update this record themselves, so call before visiting.
How can I verify Larry C. Buck, DO's license?
NPPES lists Missouri license number 2019024147, 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 Larry C. Buck, DO prescribe under Medicare Part D?
In 2024, Larry C. Buck, DO had 7,204 Medicare Part D claims for 504 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.