Marcil M. Mamita, MD
Geriatric Medicine (Internal Medicine) Physician · Torrance, CA
Marcil M. Mamita, MD is a geriatric medicine (internal medicine) physician with a practice address in Torrance, California, and NPI 1962412718, issued on Aug 8, 2006. Check the license (California A72411, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marcil M. Mamita
- Credential
- MD
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- A72411 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3655 Lomita Blvd Ste 418, Torrance, CA 90505
- Phone
- (310) 530-6900
- Enumerated
- Aug 8, 2006
- Record last updated
- Mar 8, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (310) 530-6902
- Medicaid ID
- 0072411 CA
- Medicare enrollment
- Enrolled (PECOS I20050331000508); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →
Verify Marcil M. Mamita in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A72411Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% more Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
5,899 Medicare Part D claims for 359 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 152 claims were for opioids.
Most prescribed
- Atorvastatin Calcium546 claims
- Amlodipine Besylate399 claims
- Losartan Potassium320 claims
- Sertraline Hcl203 claims
- Levothyroxine Sodium198 claims
- Losartan-Hydrochlorothiazide198 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.
Marcil M. Mamita among 532 geriatric medicine (internal medicine) physician records in California
Marcil M. Mamita, MD is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 46% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated1988 · median 1999 among the 271 with a school on file
- Record last updated2019 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 532 geriatric medicine (internal medicine) physician records in California.
All 532 in California → Every provider in Torrance → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Elaine Deemer, DOTorrance, CA 905051649856162
- Abriella Demanes, MDTorrance, CA 905021669036695
- Mailee Hess, MDTorrance, CA 905021396011565
- Christopher Mayorga, DOTorrance, CA 905021003445669
- Kushi Mehrotra, MDTorrance, CA 905021679627889
- William Welsh, D.O.Whittier, CA 906021568401255
- Kenneth Waltzer, M.D.Santa Monica, CA 904051437424090
- Edward Hui, MDSanta Monica, CA 904041184657488
Common questions
What is Marcil M. Mamita, MD's NPI number?
Marcil M. Mamita, MD's National Provider Identifier (NPI) is 1962412718, issued on Aug 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marcil M. Mamita, MD located?
The NPPES record lists a practice address at 3655 Lomita Blvd Ste 418, Torrance, CA, 90505. Phone: (310) 530-6900. Providers update this record themselves, so call before visiting.
How can I verify Marcil M. Mamita, MD's license?
NPPES lists California license number A72411, 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 Marcil M. Mamita, MD prescribe under Medicare Part D?
In 2024, Marcil M. Mamita, MD had 5,899 Medicare Part D claims for 359 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.