Manju Pillai, MD
Internal Medicine Physician · Sioux City, IA
Manju Pillai, MD is an internal medicine physician with a practice address in Sioux City, Iowa, and NPI 1275843575, issued on Oct 20, 2010. Check the license (Iowa 39167, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Manju Pillai
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 39167 IA
A121909 CA
Self-reported in NPPES; status is on the state search - Practice location
- 801 5TH St, Sioux City, IA 51101
- Phone
- (712) 279-2514
- Enumerated
- Oct 20, 2010
- Entity
- Type 1 · individual
Also registered at 801 5TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ahmed AbdulrahmanHospitalist Physician1972252856
- Monsurat AdelekePsychiatric/Mental Health Nurse Practitioner1669308433
- Ali Aljuhani, LMSWSocial Worker1366918062
- Ashley Anderson, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1881499242
- Peter Anderson, M.D.Internal Medicine Physician1114967858
- Sydney Backstrom, PHARMDPharmacist1407713357
Verify Manju Pillai in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license 39167Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
93% fewer Medicare Part D claims than the average internal medicine physician in 2024
208 Medicare Part D claims for 100 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Amoxicillin-Clavulanate Potass19 claims
- Amlodipine Besylate14 claims
- Levofloxacin12 claims
- Pantoprazole Sodium12 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 Medicare quality score for 2023: 84 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.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $56.91
2 payments, mostly food and beverage; the largest payer was Boston Scientific Corporation. The 65,274 providers of this specialty with any payment received $2,536.66 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.
One hospital or facility affiliation
- Community Health PartnersClovis, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
26 internal medicine physician records list a Sioux City practice address
They are 26 of the 1,486 NPPES records with a Sioux City practice address, and 1,338 internal medicine physician records in Iowa.
All 26 in Sioux City → All 1,338 in Iowa → Every provider in Sioux City →
Other internal medicine physician records in Iowa
- Baha Abbad, MDWaterloo, IA1366050064
- Shazia Abbas, MDOttumwa, IA1205086998
- Abdullah Abbasi, MDIowa City, IA1932944204
- Duane Abbott, MDDes Moines, IA1417362666
- Francois Abboud, MDIowa City, IA1598753113
- Mohamed Abd El MaksoudMason City, IA1033792825
- Ala Abdallah, MDIowa City, IA1588395701
- Ahmed Abdelhamid, MDIowa City, IA1306403795
- Ola AbdelkarimIowa City, IA1780378588
- Mohammed Abdila, MDDavenport, IA1982338752
Common questions
What is Manju Pillai, MD's NPI number?
Manju Pillai, MD's National Provider Identifier (NPI) is 1275843575, issued on Oct 20, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Manju Pillai, MD located?
The NPPES record lists a practice address at 801 5TH St, Sioux City, IA, 51101. Phone: (712) 279-2514. Providers update this record themselves, so call before visiting.
How can I verify Manju Pillai, MD's license?
NPPES lists Iowa license number 39167, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Manju Pillai, MD prescribe under Medicare Part D?
In 2024, Manju Pillai, MD had 208 Medicare Part D claims for 100 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is Manju Pillai, MD's Medicare quality score?
The 2023 MIPS final score is 84 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.