Marcus De Ranieri, DO
Family Medicine Physician · Marina, CA
Marcus De Ranieri, DO is a family medicine physician with a practice address in Marina, California, and NPI 1891351615, issued on May 16, 2019. Check the license (California 20A19483, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marcus De Ranieri
- Credential
- DO
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A19483 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2930 2ND Ave Ste 200, Marina, CA 93933
- Phone
- (831) 532-2100
- Enumerated
- May 16, 2019
- Entity
- Type 1 · individual
Also registered at 2930 2ND Ave Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Shirley Dickinson, M.D.Sleep Medicine (Internal Medicine) Physician1679500565
- Angelika Drake, NPFamily Nurse Practitioner1376369876
Verify Marcus De Ranieri in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A19483Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
44% fewer Medicare Part D claims than the average family medicine physician in 2024
1,960 Medicare Part D claims for 274 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D. 47 claims were for opioids.
Most prescribed
- Atorvastatin Calcium128 claims
- Levothyroxine Sodium85 claims
- Gabapentin75 claims
- Losartan Potassium69 claims
- Amlodipine Besylate65 claims
- Bupropion Xl46 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.
Industry payments in 2024: $26.80
1 payment, mostly food and beverage; the largest payer was Lilly USA, LLC. The 53,013 providers of this specialty with any payment received $861.30 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Montage Medical GroupMarina, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
17 family medicine physician records list a Marina practice address
They are 17 of the 440 NPPES records with a Marina practice address, and 16,272 family medicine physician records in California.
All 17 in Marina → All 16,272 in California → Every provider in Marina →
Other family medicine physician records in California
- Omer Aba-Omer, MDSanta Monica, CA1649702093
- Michelle Ababa, MDWilmington, CA1710922513
- Anna Tzeitel Abalos, MDRoseville, CA1720200017
- Adan Abarca, MDAnaheim, CA1760553689
- Vanessa Abarca, DOVentura, CA1952040859
- Lorraine Abate, M.D.Sacramento, CA1104840008
- Robert Abatecola, MDCastro Valley, CA1669551719
- Romeo Abaya, M.D.Cottonwood, CA1598053506
- Effiem Abbah, MD, MPHSan Francisco, CA1821185133
- Khuzeman Abbasi, MDSanta Rosa, CA1841979952
Common questions
What is Marcus De Ranieri, DO's NPI number?
Marcus De Ranieri, DO's National Provider Identifier (NPI) is 1891351615, issued on May 16, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Marcus De Ranieri, DO located?
The NPPES record lists a practice address at 2930 2ND Ave Ste 200, Marina, CA, 93933. Phone: (831) 532-2100. Providers update this record themselves, so call before visiting.
How can I verify Marcus De Ranieri, DO's license?
NPPES lists California license number 20A19483, 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 Marcus De Ranieri, DO prescribe under Medicare Part D?
In 2024, Marcus De Ranieri, DO had 1,960 Medicare Part D claims for 274 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.