NPPES file of Aug 9, 2026

Ambika Sivanandam, MD

Internal Medicine Physician · Loma Linda, CA

Ambika Sivanandam, MD is an internal medicine physician with a practice address in Loma Linda, California, and NPI 1801006606, issued on May 23, 2007. Check the license 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
1801006606
Name
Ambika Sivanandam
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
4301087578 MI
Self-reported in NPPES; status is on the state search
Practice location
11370 Anderson St Ste 3400, Loma Linda, CA 92354
Phone
(909) 558-4950
Enumerated
May 23, 2007
Record last updated
Dec 23, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(909) 558-0406
Medicare enrollment
Enrolled (PECOS I20100114000577); 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 11370 Anderson St Ste 3400

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

  1. Wyut Yi Thin, MBBS, MDInternal Medicine Physician1285216580

Verify Ambika Sivanandam in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of CaliforniaCheck 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

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14% fewer Medicare Part D claims than the average internal medicine physician in 2024

2,747 Medicare Part D claims for 300 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 13 claims were for opioids.

  1. Ambika Sivanandam2,747
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium174 claims
  2. Rosuvastatin Calcium167 claims
  3. Losartan Potassium153 claims
  4. Amlodipine Besylate140 claims
  5. Lisinopril125 claims
  6. Metformin Hcl117 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): 85.2 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 score71.8
  2. Costout of 100 · 30%64.5
  3. Promoting interoperabilityout of 100 · 25%82.0
  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).

Bills Medicare through one group practice

  1. Faculty Physicians And Surgeons OF LlusmRedlands, CA

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

Ambika Sivanandam among 17,696 internal medicine physician records in California

Ambika Sivanandam, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 44% of them.

  • NPI issued2007 · 44% of these records are older, 44% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated1983 · median 2004 among the 11,065 with a school on file
  • Record last updated2013 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

212 internal medicine physician records list a practice address in Loma Linda

They are 212 of the 4,863 NPPES records with a practice address in Loma Linda, and 17,696 internal medicine physician records in California.

The 8 internal medicine physician records with the nearest ZIP codes

  1. David Baylink, M.D.Loma Linda, CA 923541518983113
  2. David Bee, M.D.Loma Linda, CA 923541720005176
  3. Adrian Cotton, M.D.Loma Linda, CA 923541639196850
  4. Debra Craig, M.D.Loma Linda, CA 923541255351151
  5. Balu Gadhe, M.D.Loma Linda, CA 923541740233808
  6. Bevan Geslani, M.D.Loma Linda, CA 923541992741862
  7. Susan Hall, M.D.Loma Linda, CA 923541972523876
  8. Suchaya Jinamornphongs, M.D.Loma Linda, CA 923541649299876

Common questions

What is Ambika Sivanandam, MD's NPI number?

Ambika Sivanandam, MD's National Provider Identifier (NPI) is 1801006606, issued on May 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Ambika Sivanandam, MD located?

The NPPES record lists a practice address at 11370 Anderson St Ste 3400, Loma Linda, CA, 92354. Phone: (909) 558-4950. Providers update this record themselves, so call before visiting.

How can I verify Ambika Sivanandam, MD's license?

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 Ambika Sivanandam, MD prescribe under Medicare Part D?

In 2024, Ambika Sivanandam, MD had 2,747 Medicare Part D claims for 300 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.

What is Ambika Sivanandam, MD's MIPS final score?

The 2023 MIPS final score is 85.2 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.