NPPES file of Aug 9, 2026

Palaniappan Manickam, M.D., MPH

Gastroenterology Physician · Sacramento, CA

Palaniappan Manickam, M.D., MPH is a gastroenterology physician with a practice address in Sacramento, California, and NPI 1194962803, issued on Jan 16, 2009. Check the license (California 136450, as entered in NPPES) on the Medical Board of California; 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
1194962803
Name
Palaniappan Manickam
Credential
M.D., MPH
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
136450 CA
4301092558 MI
Self-reported in NPPES; status is on the state search
Practice location
3000 Q St FL 2, Sacramento, CA 95816
Phone
(916) 733-3370
Enumerated
Jan 16, 2009
Record last updated
Jun 30, 2025
Fax
(916) 733-3394
Medicare enrollment
Enrolled (PECOS I20150918000113); 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 3000 Q St FL 2

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

  1. Paritosh Acharya, NPGerontology Nurse Practitioner1992511943
  2. Pratikshya Adhikari, MSN, APRN, FNP-BCPrimary Care Nurse Practitioner1083118970
  3. Arshad Ali, MDPulmonary Disease Physician1245442193
  4. Ali Amirzadeh, M.D.Allergy & Immunology Physician1083748685
  5. Shreyes Boddu, DOPulmonary Disease Physician1922503804
  6. Lindsay Carlson, NPGerontology Nurse Practitioner1053276105

Verify Palaniappan Manickam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 136450
    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 California 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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79% fewer Medicare Part D claims than the average gastroenterology physician in 2024

171 Medicare Part D claims for 80 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Palaniappan Manickam171
  2. Specialty average811

Most prescribed

  1. Omeprazole74 claims
  2. Pantoprazole Sodium22 claims
  3. Famotidine13 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): 96.5 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.

  1. Qualityout of 100 · 30% of the final score80.3
  2. Costnot scored (reweighted)
  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; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Dignity Health Medical FoundationFolsom, CA

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

Palaniappan Manickam among 2,140 gastroenterology physician records in California

Palaniappan Manickam, M.D., MPH is one of 2,140 gastroenterology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 69% of them.

  • NPI issued2009 · 69% of these records are older, 28% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2007 · median 2002 among the 1,538 with a school on file
  • Record last updated2025 · 60% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in California

There are 2,140 gastroenterology physician records in California.

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Renee Debose, MDSacramento, CA 958161780772897
  2. Serag Dredar, M.D.Sacramento, CA 958161922217637
  3. Earl Gear, M.D.Sacramento, CA 958161780795203
  4. Hisham Hussan, M.D.Sacramento, CA 958161801044789
  5. Altaf Jan, M.D.Sacramento, CA 958161922072404
  6. Ashwani Kapoor, MDSacramento, CA 958161033370788
  7. Abdul Khaleq, MDSacramento, CA 958161558457960
  8. Rana Khan, M.D.Sacramento, CA 958161346464765

Common questions

What is Palaniappan Manickam, M.D., MPH's NPI number?

Palaniappan Manickam, M.D., MPH's National Provider Identifier (NPI) is 1194962803, issued on Jan 16, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Palaniappan Manickam, M.D., MPH located?

The NPPES record lists a practice address at 3000 Q St FL 2, Sacramento, CA, 95816. Phone: (916) 733-3370. Providers update this record themselves, so call before visiting.

How can I verify Palaniappan Manickam, M.D., MPH's license?

NPPES lists California license number 136450, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Palaniappan Manickam, M.D., MPH prescribe under Medicare Part D?

In 2024, Palaniappan Manickam, M.D., MPH had 171 Medicare Part D claims for 80 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

What is Palaniappan Manickam, M.D., MPH's MIPS final score?

The 2023 MIPS final score is 96.5 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.