NPPES file of Aug 9, 2026

Sanjay A. Patwardhan, M.D.

Internal Medicine Physician · Chesterfield, MO

Sanjay A. Patwardhan, M.D. is an internal medicine physician with a practice address in Chesterfield, Missouri, and NPI 1073583803, issued on Jan 24, 2006. Check the license (Missouri 107804, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1073583803
Name
Sanjay A. Patwardhan
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
107804 MO
Self-reported in NPPES; status is on the state search
Practice location
14314 Manderleigh Woods Dr, Chesterfield, MO 63017
Phone
(636) 566-8155
Enumerated
Jan 24, 2006
Record last updated
Dec 6, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(314) 576-0809
Medicaid IDs
1073583803 MO
1073583803 IL
Medicare enrollment
Enrolled (PECOS I20040626000339); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 14314 Manderleigh Woods Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Manisha Patwardhan, M.D.Adolescent Medicine (Internal Medicine) Physician1790755536

Verify Sanjay A. Patwardhan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
    Search for license 107804
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Missouri license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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4.2 times the Medicare Part D claims of the average internal medicine physician in 2024

13,295 Medicare Part D claims for 412 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 389 claims were for opioids.

  1. Sanjay Patwardhan13,295
  2. Specialty average3,176

Most prescribed

  1. Furosemide565 claims
  2. Levothyroxine Sodium517 claims
  3. Atorvastatin Calcium495 claims
  4. Sertraline Hcl483 claims
  5. Potassium Chloride449 claims
  6. Eliquis434 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: $24.05

1 payment: food and beverage; the largest payer was Otsuka America Pharmaceutical, 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.

  1. Sanjay Patwardhan$24.05
  2. Specialty average$1,303.06

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through 2 group practices

  1. Midwest Medicine Group LLCFenton, MO
  2. St Anthonys Physician Organization Hospitalist Services LCSaint Louis, MO

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Sanjay A. Patwardhan among 2,604 internal medicine physician records in Missouri

Sanjay A. Patwardhan, M.D. is one of 2,604 internal medicine physician records with a practice address in Missouri. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 59% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated1988 · median 2006 among the 1,443 with a school on file
  • Record last updated2013 · 48% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

142 internal medicine physician records list a practice address in Chesterfield

They are 142 of the 2,132 NPPES records with a practice address in Chesterfield, and 2,604 internal medicine physician records in Missouri.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Mohammad Ahmed, MDChesterfield, MO 630171386636447
  2. Kae Chang, MDChesterfield, MO 630171316910243
  3. John Davidson, MDChesterfield, MO 630171306833801
  4. David Galli, M.D.Chesterfield, MO 630171255323374
  5. Thomas Hastings, MDChesterfield, MO 630171841281870
  6. John Helton, MDChesterfield, MO 630171417921156
  7. Richard Kozeny, MDChesterfield, MO 630171255319810
  8. Mark Novack, MDChesterfield, MO 630171114918737

Common questions

What is Sanjay A. Patwardhan, M.D.'s NPI number?

Sanjay A. Patwardhan, M.D.'s National Provider Identifier (NPI) is 1073583803, issued on Jan 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Sanjay A. Patwardhan, M.D. located?

The NPPES record lists a practice address at 14314 Manderleigh Woods Dr, Chesterfield, MO, 63017. Phone: (636) 566-8155. Providers update this record themselves, so call before visiting.

How can I verify Sanjay A. Patwardhan, M.D.'s license?

NPPES lists Missouri license number 107804, 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 Sanjay A. Patwardhan, M.D. prescribe under Medicare Part D?

In 2024, Sanjay A. Patwardhan, M.D. had 13,295 Medicare Part D claims for 412 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.