Maria Felicitas Dizon, M.D.
NPI 1598910267 · Geriatric Medicine (Family Medicine) Physician · Thousand Oaks, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Maria Felicitas Dizon, M.D. is a Geriatric Medicine (Family Medicine) Physician provider in Thousand Oaks, CA (NPI 1598910267).
Provider details
- NPI number
- 1598910267
- Entity type
- Individual
- Primary specialty
- Geriatric Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- A101526 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 68 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 195 | 45 |
| Metoprolol Tartrate | 105 | 22 |
| Warfarin Sodium | 90 | — |
| Furosemide | 89 | 44 |
| Potassium Chloride | 81 | 20 |
| Tamsulosin Hcl | 80 | 23 |
| Mirtazapine | 77 | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-11-23
- Last updated
- 2022-02-11
Frequently asked questions
- What is Maria Felicitas Dizon's NPI number?
- Maria Felicitas Dizon's National Provider Identifier (NPI) is 1598910267, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maria Felicitas Dizon's specialty?
- Maria Felicitas Dizon is listed in the NPPES registry with a primary specialty of Geriatric Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Maria Felicitas Dizon located?
- Maria Felicitas Dizon's practice location on file with NPPES is 365 E Hillcrest Dr, Thousand Oaks, CA 91360-5820.
- What is Maria Felicitas Dizon's phone number?
- The practice phone number listed in the NPPES registry for Maria Felicitas Dizon is (818) 719-2252.
- Does Maria Felicitas Dizon accept Medicare?
- Maria Felicitas Dizon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Maria Felicitas Dizon's NPI active?
- Yes — Maria Felicitas Dizon's NPI (1598910267) is active in the NPPES registry as of the last update on 2022-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.