Ratnadeep Patel, M.D.
Internal Medicine Physician · San Leandro, CA
Ratnadeep Patel, M.D. is an internal medicine physician with a practice address in San Leandro, California, and NPI 1144289653, issued on Mar 22, 2006. Check the license (California A93592, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ratnadeep Patel
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A93592 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2500 Merced St, San Leandro, CA 94577
- Phone
- (510) 454-1000
- Enumerated
- Mar 22, 2006
- Record last updated
- Dec 9, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20060503000827); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2500 Merced St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ratnadeep Patel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A93592Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
29% more Medicare Part D claims than the average internal medicine physician in 2024
4,110 Medicare Part D claims for 697 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 65 claims were for opioids.
Most prescribed
- Atorvastatin Calcium295 claims
- Amlodipine Besylate185 claims
- Losartan Potassium173 claims
- Levothyroxine Sodium155 claims
- Lisinopril131 claims
- Fluticasone Propionate106 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
- Permanente Medical Group IncPleasanton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ratnadeep Patel among 17,696 internal medicine physician records in California
Ratnadeep Patel, M.D. 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 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated1995 · median 2004 among the 11,065 with a school on file
- Record last updated2021 · 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).
62 internal medicine physician records list a practice address in San Leandro
They are 62 of the 4,976 NPPES records with a practice address in San Leandro, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Leandro → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Abhijan Banerjee, M.D.San Leandro, CA 945771548292113
- Leo Chi, M.D.San Leandro, CA 945771467530220
- Young Choi, D.O.San Leandro, CA 945771871671628
- Christian Dang, M.D.San Leandro, CA 945771417986753
- Louis Edelson, M.D.San Leandro, CA 945771356429120
- Mei Kung, M.D.San Leandro, CA 945771407939465
- Sandeep Lal, M.D.San Leandro, CA 945771558448340
- Evelyn Nakagawa, M.D.San Leandro, CA 945771023077294
Common questions
What is Ratnadeep Patel, M.D.'s NPI number?
Ratnadeep Patel, M.D.'s National Provider Identifier (NPI) is 1144289653, issued on Mar 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ratnadeep Patel, M.D. located?
The NPPES record lists a practice address at 2500 Merced St, San Leandro, CA, 94577. Phone: (510) 454-1000. Providers update this record themselves, so call before visiting.
How can I verify Ratnadeep Patel, M.D.'s license?
NPPES lists California license number A93592, 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 Ratnadeep Patel, M.D. prescribe under Medicare Part D?
In 2024, Ratnadeep Patel, M.D. had 4,110 Medicare Part D claims for 697 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.