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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. RISHI NATH SUD M.D.
NPI 1598749004
Family Medicine in Chesterfield, MO

Active since November 30, 2005PECOS Enrolled
977 TARA OAKS DR, CHESTERFIELD, MO 63005(773) 636-1646(314) 390-5404 Get Directions Write a Review

NPPES record last updated: August 2, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 2, 2026, Dec 20, 2024, Apr 11, 2019 and 3 more (6 updates tracked since 2016).

About Dr. Rishi Nath Sud M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. RISHI NATH SUD M.D. (NPI 1598749004) is an individual family medicine provider in Chesterfield, Missouri, licensed in Missouri (2017031914) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1598749004
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. RISHI NATH SUDCredential: M.D.
Location Address977 TARA OAKS DRChesterfield, MO 63005-3656
Mailing Address977 Tara Oaks DrChesterfield, MO 63005-3656 · (773) 636-1646 · Fax (314) 390-5404
Phone(773) 636-1646
Fax(314) 390-5404
Sole ProprietorNo
Enumeration DateNovember 30, 2005
Last NPPES UpdateAugust 2, 20266 updates tracked since enumeration
NPPES CertifiedAugust 2, 2026
✔ NPI 1598749004 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in MO · 2017031914
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
977 TARA OAKS DR, Chesterfield, MO 63005
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Rishi Nath Sud M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63005 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Rishi Sud's NPI number?

The NPI number for Rishi Sud is 1598749004. It was assigned to this individual provider in the NPPES registry on November 30, 2005.

Where is Rishi Sud located?

Rishi Sud practices at 977 Tara Oaks Dr, Chesterfield, MO 63005. The listed phone number is (773) 636-1646.

What is Rishi Sud's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Rishi Sud enrolled in Medicare?

Yes. Rishi Sud is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Rishi Sud was last updated on August 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.