NPPES file of Aug 9, 2026

Chandar Singaram, MD

Gastroenterology Physician · Sioux Falls, SD

Chandar Singaram, MD is a gastroenterology physician with a practice address in Sioux Falls, South Dakota, and NPI 1235183807, issued on May 19, 2006. Check the license (South Dakota 4948, as entered in NPPES) on the South Dakota Board of Medical and Osteopathic Examiners; 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
1235183807
Name
Chandar Singaram
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
4948 SD
Self-reported in NPPES; status is on the state search
Practice location
1905 W 57TH St Ste 1, Sioux Falls, SD 57108
Phone
(605) 310-2000
Enumerated
May 19, 2006
Record last updated
Mar 15, 2023
Fax
(605) 274-1919
Medicaid IDs
3985275 IA
749493900 MN
10025352300 NE
6004273 SD
Medicare enrollment
Enrolled (PECOS I20060310000094); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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 1905 W 57TH St Ste 1

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

  1. Marsha Kadlecik, PA-CPhysician Assistant1932239902
  2. Dana Kurtz, RDNRegistered Dietitian1023695954
  3. Darryl Schafer, CCDC IIIAddiction (Substance Use Disorder) Counselor1245666791
  4. Lauren Skattum, D.O.Obstetrics & Gynecology Physician1679895890

Verify Chandar Singaram in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersSouth Dakota Board of Medical and Osteopathic Examiners
    Search for license 4948
    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 South Dakota 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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21% more Medicare Part D claims than the average gastroenterology physician in 2024

984 Medicare Part D claims for 150 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Chandar Singaram984
  2. Specialty average811

Most prescribed

  1. Diphenoxylate-Atropine79 claims
  2. Prednisone76 claims
  3. Omeprazole49 claims
  4. Xifaxan47 claims
  5. Linzess45 claims
  6. Viberzi33 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: $5,275.91

82 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme Corporation. 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.

  1. Chandar Singaram$5,275.91
  2. Specialty average$5,015.95

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

Chandar Singaram among 49 gastroenterology physician records in South Dakota

Chandar Singaram, MD is one of 49 gastroenterology physician records with a practice address in South Dakota. 76% 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, 51% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 65% of these records are
  • Graduated1984 · median 2009 among the 32 with a school on file
  • Record last updated2023 · 49% 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 South Dakota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in South Dakota

There are 49 gastroenterology physician records in South Dakota.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Robert Lapp, M.D.Sioux Falls, SD 571081588829436
  2. Cassie Moser, CNPSioux Falls, SD 571081912738394
  3. Kristi Owen, CNPSioux Falls, SD 571081851072243
  4. Backer Abdu, MDSioux Falls, SD 571051306366760
  5. Mouhanna Abu Ghanimeh, M.D.Sioux Falls, SD 571051962812982
  6. Muslim Atiq, M.D.Sioux Falls, SD 571051548475031
  7. Lee Austin, M.D.Sioux Falls, SD 571051306927074
  8. Brett Baloun, MDSioux Falls, SD 571051245448869

Common questions

What is Chandar Singaram, MD's NPI number?

Chandar Singaram, MD's National Provider Identifier (NPI) is 1235183807, issued on May 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Chandar Singaram, MD located?

The NPPES record lists a practice address at 1905 W 57TH St Ste 1, Sioux Falls, SD, 57108. Phone: (605) 310-2000. Providers update this record themselves, so call before visiting.

How can I verify Chandar Singaram, MD's license?

NPPES lists South Dakota license number 4948, as entered by the provider. Search the South Dakota Board of Medical and Osteopathic Examiners at https://www.sdbmoe.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Chandar Singaram, MD prescribe under Medicare Part D?

In 2024, Chandar Singaram, MD had 984 Medicare Part D claims for 150 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.