Sajid M. Zafar, M.D.
Gastroenterology Physician · Chesterfield, MO
Sajid M. Zafar, M.D. is a gastroenterology physician with a practice address in Chesterfield, Missouri, and NPI 1538274428, issued on Aug 20, 2006. Check the license (Missouri 101267, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Sajid M. Zafar
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 101267 MO
Self-reported in NPPES; status is on the state search - Practice location
- 224 S Woods Mill RD Ste 410, Chesterfield, MO 63017
- Phone
- (636) 685-7795
- Enumerated
- Aug 20, 2006
- Record last updated
- Apr 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (314) 590-5959
- Medicaid ID
- 209983238 MO
- Medicare enrollment
- Enrolled (PECOS I20050919000569); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 414 in Missouri → Look up another NPI →
Verify Sajid M. Zafar 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 101267Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
49% more Medicare Part D claims than the average gastroenterology physician in 2024
1,209 Medicare Part D claims for 641 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.
Most prescribed
- Sod Sulf-Potass Sulf-Mag Sulf439 claims
- Pantoprazole Sodium250 claims
- Omeprazole122 claims
- Mesalamine27 claims
- Spironolactone21 claims
- Gavilyte-G18 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 MIPS final score for 2023 (Medicare payment program): 89.2 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $574.38
6 payments; by number, the most common kind was food and beverage; the largest payer was Ipsen Biopharmaceuticals, Inc. The 13,350 providers of this specialty with any payment received $5,015.95 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.
Bills Medicare through one group practice
- Digestive Consultants LLCChesterfield, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sajid M. Zafar among 414 gastroenterology physician records in Missouri
Sajid M. Zafar, M.D. is one of 414 gastroenterology physician records with a practice address in Missouri. 84% 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 14% of them.
- NPI issued2006 · 14% of these records are older, 47% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated1990 · median 2003 among the 303 with a school on file
- Record last updated2021 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
25 gastroenterology physician records list a practice address in Chesterfield
They are 25 of the 2,132 NPPES records with a practice address in Chesterfield, and 414 gastroenterology physician records in Missouri.
All 414 in Missouri → Every provider in Chesterfield → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- David Benage, MDChesterfield, MO 630171326048372
- Sanjay Bhat, M.D.Chesterfield, MO 630171356322036
- Paul Buse, M.D.Chesterfield, MO 630171114993664
- Elie Chahla, MDChesterfield, MO 630171205082633
- Michael Cleary, M.D.Chesterfield, MO 630171124098546
- David Cort, M.D.Chesterfield, MO 630171023083938
- Jeffrey Kreikemeier, M.D.Chesterfield, MO 630171063456986
- Jerrold Lander, M.D.Chesterfield, MO 630171063527984
Common questions
What is Sajid M. Zafar, M.D.'s NPI number?
Sajid M. Zafar, M.D.'s National Provider Identifier (NPI) is 1538274428, issued on Aug 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Sajid M. Zafar, M.D. located?
The NPPES record lists a practice address at 224 S Woods Mill RD Ste 410, Chesterfield, MO, 63017. Phone: (636) 685-7795. Providers update this record themselves, so call before visiting.
How can I verify Sajid M. Zafar, M.D.'s license?
NPPES lists Missouri license number 101267, 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 Sajid M. Zafar, M.D. prescribe under Medicare Part D?
In 2024, Sajid M. Zafar, M.D. had 1,209 Medicare Part D claims for 641 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.
What is Sajid M. Zafar, M.D.'s MIPS final score?
The 2023 MIPS final score is 89.2 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.