Marizabel Orellana Patel, M.D.
Internal Medicine Physician · Los Angeles, CA
Marizabel Orellana Patel, M.D. is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1508203159, issued on May 22, 2013. Check the license (California A133180, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marizabel Orellana Patel
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A133180 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4950 W Sunset Blvd, Los Angeles, CA 90027
- Phone
- (310) 222-2345
- Enumerated
- May 22, 2013
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20161101002591); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 4950 W Sunset Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Aakash Agarwal, D.O.Family Medicine Physician1326319682
- Jose Avalos, M.D.Family Medicine Physician1659521359
- Lisa Avalos, M.D.Family Medicine Physician1669622361
- Brenda Bahk, M.D.Family Medicine Physician1073871950
- Jenny Banh, MDInternal Medicine Physician1083984827
- Elaine Beals, PHARM DPharmacist1336238567
Verify Marizabel Orellana Patel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A133180Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
48% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,662 Medicare Part D claims for 436 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 16 claims were for opioids.
Most prescribed
- Atorvastatin Calcium152 claims
- Amlodipine Besylate112 claims
- Rosuvastatin Calcium107 claims
- Lisinopril81 claims
- Metformin Hcl75 claims
- Losartan Potassium63 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
- Southern California Permanente Medical GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Marizabel Orellana Patel among 17,696 internal medicine physician records in California
Marizabel Orellana 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 2013, is newer than 71% of them.
- NPI issued2013 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2013 · 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).
1,423 internal medicine physician records list a practice address in Los Angeles
They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Los Angeles → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sangeeta Aggarwal, MDLos Angeles, CA 900271578655908
- Hagop Bezikian, MDLos Angeles, CA 900271821171604
- Roshanak Eftekhari, M.D.Los Angeles, CA 900271619936556
- Martin Hirsch, MDLos Angeles, CA 900271881765774
- Missak Kltchian, MDLos Angeles, CA 900271255359840
- Ani Markarian, M.D.Los Angeles, CA 900271457305435
- Lyn Pestana, MDLos Angeles, CA 900271013088996
- Edward Quiming, MDLos Angeles, CA 900271497826465
Common questions
What is Marizabel Orellana Patel, M.D.'s NPI number?
Marizabel Orellana Patel, M.D.'s National Provider Identifier (NPI) is 1508203159, issued on May 22, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Marizabel Orellana Patel, M.D. located?
The NPPES record lists a practice address at 4950 W Sunset Blvd, Los Angeles, CA, 90027. Phone: (310) 222-2345. Providers update this record themselves, so call before visiting.
How can I verify Marizabel Orellana Patel, M.D.'s license?
NPPES lists California license number A133180, 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 Marizabel Orellana Patel, M.D. prescribe under Medicare Part D?
In 2024, Marizabel Orellana Patel, M.D. had 1,662 Medicare Part D claims for 436 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.