Mamatha Siricilla, M.B.B.S
Medical Oncology Physician · Cameron Park, CA
Mamatha Siricilla, M.B.B.S is a medical oncology physician with a practice address in Cameron Park, California, and NPI 1487967576, issued on Jul 19, 2010. Check the license (California A148859, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mamatha Siricilla
- Credential
- M.B.B.S
- Primary taxonomy
- Medical Oncology Physician 207RX0202X
- License numbers
- A148859 CA
148859 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3581 Palmer Dr Ste 400, Cameron Park, CA 95682
- Phone
- (530) 676-6600
- Enumerated
- Jul 19, 2010
- Record last updated
- Oct 8, 2024
- Medicare enrollment
- Enrolled (PECOS I20170523001807); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical oncology physician records → All 447 in California → Look up another NPI →
Verify Mamatha Siricilla in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A148859Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% more Medicare Part D claims than the average medical oncology physician in 2024
1,212 Medicare Part D claims for 296 beneficiaries, against an average of 703 among the 4,230 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 93 claims were for opioids.
Most prescribed
- Letrozole163 claims
- Anastrozole98 claims
- Dexamethasone84 claims
- Ondansetron Hcl62 claims
- Prochlorperazine Maleate45 claims
- Hydrocodone-Acetaminophen43 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: $2,164.54
97 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 3,343 providers of this specialty with any payment received $11,773.47 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.
2 hospitals and group practices
- Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars
- Community Health PartnersClovis, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Mamatha Siricilla among 447 medical oncology physician records in California
Mamatha Siricilla, M.B.B.S is one of 447 medical oncology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 65% of them.
- NPI issued2010 · 65% of these records are older, 33% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2006 · median 2004 among the 312 with a school on file
- Record last updated2024 · 41% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RX0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Oncology Physician providers in California
There are 447 medical oncology physician records in California.
All 447 in California → Every provider in Cameron Park → Medical Oncology Physician nationwide →
The 8 medical oncology physician records with the nearest ZIP codes
- Jessica Powers, M.D.Vacaville, CA 956871538361415
- Cong Zhang, M.D., PH.D.Woodland, CA 956951356553317
- Antoine Sayegh, M.D.Roseville, CA 956611225063696
- Luko Laptalo, M.D.Carmichael, CA 956081114958501
- Haroon Rehman, MDCarmichael, CA 956081952784852
- Jonathan Schechter, MDEl Dorado Hills, CA 957621821367467
- John Fisher, M.D.Sacramento, CA 958161790704286
- Delphine Ong, M.D.Sacramento, CA 958161023034022
Common questions
What is Mamatha Siricilla, M.B.B.S's NPI number?
Mamatha Siricilla, M.B.B.S's National Provider Identifier (NPI) is 1487967576, issued on Jul 19, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Mamatha Siricilla, M.B.B.S located?
The NPPES record lists a practice address at 3581 Palmer Dr Ste 400, Cameron Park, CA, 95682. Phone: (530) 676-6600. Providers update this record themselves, so call before visiting.
How can I verify Mamatha Siricilla, M.B.B.S's license?
NPPES lists California license number A148859, 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 Mamatha Siricilla, M.B.B.S prescribe under Medicare Part D?
In 2024, Mamatha Siricilla, M.B.B.S had 1,212 Medicare Part D claims for 296 beneficiaries; the average among medical oncology physician prescribers was 703. 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.