NPPES file of Aug 9, 2026

Renuka Umashanker, MD

Gastroenterology Physician · Hamden, CT

Renuka Umashanker, MD is a gastroenterology physician with a practice address in Hamden, Connecticut, and NPI 1437130309, issued on Nov 8, 2005. Check the license (Connecticut 036938, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1437130309
Name
Renuka Umashanker
Credential
MD
Primary taxonomy
Gastroenterology Physician 207RG0100X
License number
036938 CT
Self-reported in NPPES; status is on the state search
Practice location
2200 Whitney Ave, Hamden, CT 06518
Phone
(203) 281-4463
Enumerated
Nov 8, 2005
Record last updated
May 28, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
001369380 CT
Medicare enrollment
Enrolled (PECOS I20090421000603); 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 2200 Whitney Ave

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

  1. Robert Anderson, M.D.Pediatrics Physician1659332989
  2. Alicia Antman, M.D.Pediatrics Physician1497888630
  3. David Astrachan, MDOtolaryngology Physician1225009046
  4. Karin Augur, PAMedical Physician Assistant1588654933
  5. Nina Babu, DPMPodiatrist1114248564
  6. Renu Bazaz-Kapoor, DOInternal Medicine Physician1427045954

Verify Renuka Umashanker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersConnecticut Medical Examining Board
    Search for license 036938
    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 Connecticut 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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100% more Medicare Part D claims than the average gastroenterology physician in 2024

1,619 Medicare Part D claims for 466 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D.

  1. Renuka Umashanker1,619
  2. Specialty average811

Most prescribed

  1. Omeprazole445 claims
  2. Famotidine170 claims
  3. Pantoprazole Sodium153 claims
  4. Dexlansoprazole Dr94 claims
  5. Sod Sulf-Potass Sulf-Mag Sulf83 claims
  6. Linzess55 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 practice group's MIPS final score for 2023 (Medicare payment program): 90.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score82.3
  2. Costout of 100 · 30%58.9
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $27,520.27

130 payments; by number, the most common kind was food and beverage; the largest payer was Gilead Sciences, 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.

  1. Renuka Umashanker$27,520
  2. Specialty average$5,016

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

  1. Hhc Physician Services PLLCHamden, CT

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

19 gastroenterology physician records list a practice address in Hamden

They are 19 of the 1,410 NPPES records with a practice address in Hamden, and 336 gastroenterology physician records in Connecticut.

Other gastroenterology physician records in Connecticut

  1. Alexander Abadir, MDNorwalk, CT1811429699
  2. Abera Abay, M.D.Norwich, CT1861489585
  3. Clara Abraham, MDNew Haven, CT1629139456
  4. Charles Adelmann, M.D.Norwalk, CT1861436511
  5. Anant Agarwalla, M.D.Wallingford, CT1326458589
  6. Badr Al Bawardy, MDNew Haven, CT1104111509
  7. Jamil Alexis, MDStamford, CT1164927968
  8. Rabab Oun Ali Anwar Ali, MBBSNew Haven, CT1124580949
  9. Pietro Andres, M.D.Stratford, CT1588607386
  10. Chioma Anjou, M.D.Torrington, CT1821358870

Common questions

What is Renuka Umashanker, MD's NPI number?

Renuka Umashanker, MD's National Provider Identifier (NPI) is 1437130309, issued on Nov 8, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Renuka Umashanker, MD located?

The NPPES record lists a practice address at 2200 Whitney Ave, Hamden, CT, 06518. Phone: (203) 281-4463. Providers update this record themselves, so call before visiting.

How can I verify Renuka Umashanker, MD's license?

NPPES lists Connecticut license number 036938, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Renuka Umashanker, MD prescribe under Medicare Part D?

In 2024, Renuka Umashanker, MD had 1,619 Medicare Part D claims for 466 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Renuka Umashanker, MD's MIPS final score?

The 2023 MIPS final score is 90.7 of 100, reported for the practice group. 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.