Ravindhra Chakravarthi Mamilla, MD
Obstetrics & Gynecology Physician · Fontana, CA
Ravindhra Chakravarthi Mamilla, MD is an obstetrics & gynecology physician with a practice address in Fontana, California, and NPI 1679883300, issued on Oct 15, 2010. Check the license (California A143214, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ravindhra Chakravarthi Mamilla
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A143214 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9961 Sierra Ave, Fontana, CA 92335
- Phone
- (909) 427-5000
- Enumerated
- Oct 15, 2010
- Record last updated
- Apr 9, 2024
- Medicare enrollment
- Enrolled (PECOS I20170502002000); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 9961 Sierra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Marla Abrolat, MDPediatrics Physician1164593133
- Eduardo Acosta, MDPediatrics Physician1497803324
- Michael Adair, MDFamily Medicine Physician1780732651
- Berneva Adams, MDObstetrics & Gynecology Physician1376602987
Verify Ravindhra Chakravarthi Mamilla in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A143214Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
50 Medicare Part D claims for 20 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Most prescribed
- Estradiol17 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupFontana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ravindhra Chakravarthi Mamilla among 5,088 obstetrics & gynecology physician records in California
Ravindhra Chakravarthi Mamilla, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% 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 70% of them.
- NPI issued2010 · 70% of these records are older, 28% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2008 · median 2004 among the 2,700 with a school on file
- Record last updated2024 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
50 obstetrics & gynecology physician records list a practice address in Fontana
They are 50 of the 3,012 NPPES records with a practice address in Fontana, and 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Fontana → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Berneva Adams, MDFontana, CA 923351376602987
- Curt Bouma, MDFontana, CA 923351629145537
- Kenneth Griffis Jr., MDFontana, CA 923351437218146
- Jerrelyn Inocencio-Diaz, MDFontana, CA 923351326115163
- Linda Knudtson, MDFontana, CA 923351689745622
- Sung Lee, MDFontana, CA 923351124195276
- Elaine Pan, MDFontana, CA 923351821165721
- Rodney Parker, MDFontana, CA 923351437226396
Common questions
What is Ravindhra Chakravarthi Mamilla, MD's NPI number?
Ravindhra Chakravarthi Mamilla, MD's National Provider Identifier (NPI) is 1679883300, issued on Oct 15, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Ravindhra Chakravarthi Mamilla, MD located?
The NPPES record lists a practice address at 9961 Sierra Ave, Fontana, CA, 92335. Phone: (909) 427-5000. Providers update this record themselves, so call before visiting.
How can I verify Ravindhra Chakravarthi Mamilla, MD's license?
NPPES lists California license number A143214, 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 Ravindhra Chakravarthi Mamilla, MD prescribe under Medicare Part D?
In 2024, Ravindhra Chakravarthi Mamilla, MD had 50 Medicare Part D claims for 20 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.