Ricardo Hamilton, M.D
Internal Medicine Physician · Harbor City, CA
Ricardo Hamilton, M.D is an internal medicine physician with a practice address in Harbor City, California, and NPI 1912131558, issued on May 12, 2009. Check the license (California 99, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ricardo Hamilton
- Credential
- M.D
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 99 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1403 Lomita Blvd FL 2, Harbor City, CA 90710
- Phone
- (310) 257-4991
- Enumerated
- May 12, 2009
- Record last updated
- Feb 11, 2022
- Medicare enrollment
- Enrolled (PECOS I20120605000802); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1403 Lomita Blvd FL 2
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Julianne Lucia, LCSWClinical Social Worker1013326594
- Abhinaya Narayanan, MD, MPPFamily Medicine Physician1578205589
- Allen Nowikow, DIP PHARAMAmbulatory Care Pharmacist1861949323
- Tinh Vuong, D.OAdult Medicine Physician1750569885
Verify Ricardo Hamilton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 99Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
68 Medicare Part D claims for 48 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Celecoxib39 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 IncStockton, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
64 internal medicine physician records list a practice address in Harbor City
They are 64 of the 958 NPPES records with a practice address in Harbor City, and 17,696 internal medicine physician records in California.
All 64 in Harbor City → All 17,696 in California → Every provider in Harbor City →
Other internal medicine physician records in California
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- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Ricardo Hamilton, M.D's NPI number?
Ricardo Hamilton, M.D's National Provider Identifier (NPI) is 1912131558, issued on May 12, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Ricardo Hamilton, M.D located?
The NPPES record lists a practice address at 1403 Lomita Blvd FL 2, Harbor City, CA, 90710. Phone: (310) 257-4991. Providers update this record themselves, so call before visiting.
How can I verify Ricardo Hamilton, M.D's license?
NPPES lists California license number 99, 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 Ricardo Hamilton, M.D prescribe under Medicare Part D?
In 2024, Ricardo Hamilton, M.D had 68 Medicare Part D claims for 48 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.