Maria Felicitas M. Dizon, M.D.
Geriatric Medicine (Family Medicine) Physician · Thousand Oaks, CA
Maria Felicitas M. Dizon, M.D. is a geriatric medicine (family medicine) physician with a practice address in Thousand Oaks, California, and NPI 1598910267, issued on Nov 23, 2008. Check the license (California A101526, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Maria Felicitas M. Dizon
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Family Medicine) Physician 207QG0300X
- License number
- A101526 CA
Self-reported in NPPES; status is on the state search - Practice location
- 365 E Hillcrest Dr, Thousand Oaks, CA 91360
- Phone
- (818) 719-2252
- Enumerated
- Nov 23, 2008
- Record last updated
- Feb 11, 2022
- Entity
- Type 1 · individual
8 nearest geriatric medicine (family medicine) physician records → All 243 in California → Look up another NPI →
Also registered at 365 E Hillcrest Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Annapoorani Chellappan, M.D.Family Medicine Physician1023377330
- Jinous Etemadi, M.D.Internal Medicine Physician1821431784
- Rouxann Fujimoto, PHARM.D.Pharmacist1750439816
- Sharon Jafari, NPNurse Practitioner1245438910
- Bernard Klein, M.D.Internal Medicine Physician1831382738
- Stella LeePharmacist1528468634
Verify Maria Felicitas M. Dizon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A101526Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average geriatric medicine (family medicine) physician in 2024
2,841 Medicare Part D claims for 284 beneficiaries, against an average of 5,222 among the 1,271 providers of this specialty who prescribed in Part D. 68 claims were for opioids.
Most prescribed
- Atorvastatin Calcium195 claims
- Metoprolol Tartrate105 claims
- Warfarin Sodium90 claims
- Furosemide89 claims
- Potassium Chloride81 claims
- Tamsulosin Hcl80 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.
Maria Felicitas M. Dizon among 243 geriatric medicine (family medicine) physician records in California
Maria Felicitas M. Dizon, M.D. is one of 243 geriatric medicine (family medicine) physician records with a practice address in California. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 65% of them.
- NPI issued2008 · 65% of these records are older, 30% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 46% of these records are
- Record last updated2022 · 69% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QG0300X 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 (Family Medicine) Physician providers in California
There are 243 geriatric medicine (family medicine) physician records in California.
All 243 in California → Every provider in Thousand Oaks → Geriatric Medicine (Family Medicine) Physician nationwide →
The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes
- Muthu Chandra, MDWoodland Hills, CA 913671982753240
- Steven Russak, MDWoodland Hills, CA 913671316095128
- Sheryl Yamamoto, MDWoodland Hills, CA 913671952460578
- Linda James, MDSanta Clarita, CA 913501023100013
- Rabia Malik, M.D.Mission Hills, CA 913451407074560
- James Michail, M.D.Granada Hills, CA 913441760879217
- Ilana Solomon, D.OReseda, CA 913351235517665
- Myung Choi, MDPanorama City, CA 914021407915168
Common questions
What is Maria Felicitas M. Dizon, M.D.'s NPI number?
Maria Felicitas M. Dizon, M.D.'s National Provider Identifier (NPI) is 1598910267, issued on Nov 23, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Maria Felicitas M. Dizon, M.D. located?
The NPPES record lists a practice address at 365 E Hillcrest Dr, Thousand Oaks, CA, 91360. Phone: (818) 719-2252. Providers update this record themselves, so call before visiting.
How can I verify Maria Felicitas M. Dizon, M.D.'s license?
NPPES lists California license number A101526, 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 Maria Felicitas M. Dizon, M.D. prescribe under Medicare Part D?
In 2024, Maria Felicitas M. Dizon, M.D. had 2,841 Medicare Part D claims for 284 beneficiaries; the average among geriatric medicine (family medicine) physician prescribers was 5,222. 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.