Rachel Duncan, MD
Hospitalist Physician · Saint Louis, MO
Rachel Duncan, MD is a hospitalist physician with a practice address in Saint Louis, Missouri, and NPI 1639601628, issued on Mar 30, 2017. Check the license (Missouri 2023042765, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Rachel Duncan
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 2023042765 MO
S6164 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3009 N Ballas RD Ste 390C, Saint Louis, MO 63131
- Phone
- (314) 996-5900
- Enumerated
- Mar 30, 2017
- Entity
- Type 1 · individual
Also registered at 3009 N Ballas RD Ste 390C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Gerling, DOInternal Medicine Physician1407387376
- Mai Hunt, M.D.Internal Medicine Physician1861464158
- Kimberly McClure, MDFamily Medicine Physician1942730320
- Barry Mossman, M.D.Internal Medicine Physician1053516294
- Lindsey O'Bryant, AGNP-CNurse Practitioner1831591403
- William Tschannen, PA-CPhysician Assistant1427651967
Verify Rachel Duncan 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 2023042765Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
1% more Medicare Part D claims than the average hospitalist physician in 2024
946 Medicare Part D claims for 262 beneficiaries, against an average of 940 among the 13,923 providers of this specialty who prescribed in Part D. 53 claims were for opioids.
Most prescribed
- Atorvastatin Calcium81 claims
- Amlodipine Besylate50 claims
- Lisinopril46 claims
- Levothyroxine Sodium44 claims
- Tramadol Hcl33 claims
- Metformin Hcl Er29 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.
The practice group's Medicare quality score for 2023: 74.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
One hospital or facility affiliation
- Physician Groups LCSaint Louis, 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.
Hospitalist Physician providers in Missouri
There are 501 hospitalist physician records in Missouri.
Other hospitalist physician records in Missouri
- Mohamed Abdalaziz, MDKansas City, MO1538578075
- Ma'n Abdullah, MDColumbia, MO1598766891
- Nurelign Abebe, M.D.Rolla, MO1154587038
- Fadee Abu Al Rub, MDSt Louis, MO1790992675
- Sreenu Ada, MDSaint Louis, MO1134171200
- Abiola Adesola, MDColumbia, MO1609446731
- Jacob Adney, MDSaint Louis, MO1679199764
- Arfa AhmadColumbia, MO1548756372
- Aadil Ahmed, DOSaint Joseph, MO1528550357
- Farhan Ahmed, MDJoplin, MO1144895814
Common questions
What is Rachel Duncan, MD's NPI number?
Rachel Duncan, MD's National Provider Identifier (NPI) is 1639601628, issued on Mar 30, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Rachel Duncan, MD located?
The NPPES record lists a practice address at 3009 N Ballas RD Ste 390C, Saint Louis, MO, 63131. Phone: (314) 996-5900. Providers update this record themselves, so call before visiting.
How can I verify Rachel Duncan, MD's license?
NPPES lists Missouri license number 2023042765, 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 Rachel Duncan, MD prescribe under Medicare Part D?
In 2024, Rachel Duncan, MD had 946 Medicare Part D claims for 262 beneficiaries; the average among hospitalist physician prescribers was 940. Part D covers Medicare prescriptions only.
What is Rachel Duncan, MD's Medicare quality score?
The 2023 MIPS final score is 74.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.