Kelsey Duffy, PA-C
Physician Assistant · Saint Louis, MO
Kelsey Duffy, PA-C is a physician assistant with a practice address in Saint Louis, Missouri, and NPI 1568127140, issued on Nov 8, 2021. Check the license (Missouri 2021032166, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kelsey Duffy
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 2021032166 MO
Self-reported in NPPES; status is on the state search - Practice location
- 12639 Old Tesson RD, Saint Louis, MO 63128
- Phone
- (314) 849-0311
- Enumerated
- Nov 8, 2021
- Entity
- Type 1 · individual
Also registered at 12639 Old Tesson RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jihan Clay, P.A.-CMedical Physician Assistant1366730251
- Molly Crawford, OTOccupational Therapist1124039433
Verify Kelsey Duffy in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2021032166Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
97% fewer Medicare Part D claims than the average physician assistant in 2024
25 Medicare Part D claims for 21 beneficiaries, against an average of 832 among the 95,030 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 19 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen19 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: $95.00
5 payments, mostly food and beverage; the largest payer was Elite Orthopedics, Llc. The 61,144 providers of this specialty with any payment received $853.85 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.
One hospital or facility affiliation
- The Orthopedic Center OF St Louis LLCChesterfield, MO
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
475 physician assistant records list a Saint Louis practice address
They are 475 of the 27,605 NPPES records with a Saint Louis practice address, and 1,717 physician assistant records in Missouri.
All 475 in Saint Louis → All 1,717 in Missouri → Every provider in Saint Louis →
Other physician assistant records in Missouri
- Makenzie Abbott, PA-CJefferson City, MO1003436585
- Muhannad Abdin, PA-CJoplin, MO1528859808
- Dana Abdullahi, PA-CKansas City, MO1285199729
- Kelbie Abercrombie, PA-CSpringfield, MO1124323001
- Mohamed AbousettaSaint Louis, MO1710755780
- Melissa Abramovitz, PASpringfield, MO1255638003
- Haile AbrhaKansas City, MO1730853367
- Nada Abusalim, PA-CColumbia, MO1194434084
- Sierra AckerSaint Louis, MO1942142468
- Elaina Adams, PA-C LAT ATCColumbia, MO1134836406
Common questions
What is Kelsey Duffy, PA-C's NPI number?
Kelsey Duffy, PA-C's National Provider Identifier (NPI) is 1568127140, issued on Nov 8, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Kelsey Duffy, PA-C located?
The NPPES record lists a practice address at 12639 Old Tesson RD, Saint Louis, MO, 63128. Phone: (314) 849-0311. Providers update this record themselves, so call before visiting.
How can I verify Kelsey Duffy, PA-C's license?
NPPES lists Missouri license number 2021032166, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Kelsey Duffy, PA-C prescribe under Medicare Part D?
In 2024, Kelsey Duffy, PA-C had 25 Medicare Part D claims for 21 beneficiaries; the average among physician assistant prescribers was 832. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.