Rishi Nath Sud, M.D.
Family Medicine Physician · Chesterfield, MO
Rishi Nath Sud, M.D. is a family medicine physician with a practice address in Chesterfield, Missouri, and NPI 1598749004, issued on Nov 30, 2005. Check the license (Missouri 2017031914, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Rishi Nath Sud
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 2017031914 MO
Self-reported in NPPES; status is on the state search - Practice location
- 977 Tara Oaks Dr, Chesterfield, MO 63005
- Phone
- (773) 636-1646
- Enumerated
- Nov 30, 2005
- Record last updated
- Aug 2, 2026
- Fax
- (314) 390-5404
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 2,991 in Missouri → Look up another NPI →
Verify Rishi Nath Sud 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 2017031914Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average family medicine physician in 2024
228 Medicare Part D claims for 28 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Atorvastatin Calcium25 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.
Rishi Nath Sud among 2,991 family medicine physician records in Missouri
Rishi Nath Sud, M.D. is one of 2,991 family medicine physician records with a practice address in Missouri. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 59% of these records are
- Record last updated2026 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
39 family medicine physician records list a practice address in Chesterfield
They are 39 of the 2,132 NPPES records with a practice address in Chesterfield, and 2,991 family medicine physician records in Missouri.
All 2,991 in Missouri → Every provider in Chesterfield → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Monakka Afroz, MDChesterfield, MO 630051104576826
- Chris Blanner, MDChesterfield, MO 630051841464625
- Leslie Chanasue, M.D.Chesterfield, MO 630051831543826
- Mariela Delvalle-Cruz, M.D.Chesterfield, MO 630051669572046
- Gena Gardiner, MDChesterfield, MO 630051699702472
- Meghan Henningsen, D.O.Chesterfield, MO 630051013368455
- Patrick Miller, DOChesterfield, MO 630051316502768
- Adaoma Ngari Egekeze, MDChesterfield, MO 630051548919947
Common questions
What is Rishi Nath Sud, M.D.'s NPI number?
Rishi Nath Sud, M.D.'s National Provider Identifier (NPI) is 1598749004, issued on Nov 30, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Rishi Nath Sud, M.D. located?
The NPPES record lists a practice address at 977 Tara Oaks Dr, Chesterfield, MO, 63005. Phone: (773) 636-1646. Providers update this record themselves, so call before visiting.
How can I verify Rishi Nath Sud, M.D.'s license?
NPPES lists Missouri license number 2017031914, 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 Rishi Nath Sud, M.D. prescribe under Medicare Part D?
In 2024, Rishi Nath Sud, M.D. had 228 Medicare Part D claims for 28 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.