Marc B. Berzansky, D.O.
Family Medicine Physician · Lafayette, CA
Marc B. Berzansky, D.O. is a family medicine physician with a practice address in Lafayette, California, and NPI 1013020833, issued on Aug 16, 2006. Check the license (California 20A8064, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Marc B. Berzansky
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 20A8064 CA
Self-reported in NPPES; status is on the state search - Practice location
- 911 Moraga RD, Lafayette, CA 94549
- Phone
- (925) 961-9120
- Enumerated
- Aug 16, 2006
- Record last updated
- Nov 13, 2009 (not updated in 17 years: call before relying on the address or phone)
- Fax
- (510) 654-2464
- Medicaid ID
- 00AX80640 CA
- Medicare enrollment
- Enrolled (PECOS I20061130000233); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 911 Moraga RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Josiah Anderson, DPTPhysical Therapist1306885413
- Christine Bratton, P.T.Physical Therapist1821224007
- Sassan Falsafi, M.D.Otolaryngology Physician1306956362
- Stuart Harris, P.T.Physical Therapist1841271061
- Karen Kashkin, MDGynecology Physician1548225105
- Barbara Persons, M.D.Plastic and Reconstructive Surgery Physician1467484246
Verify Marc B. Berzansky in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A8064Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
80% fewer Medicare Part D claims than the average family medicine physician in 2024
722 Medicare Part D claims for 558 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin78 claims
- Nitrofurantoin Mono-Macro61 claims
- Methylprednisolone49 claims
- Paxlovid38 claims
- Sulindac33 claims
- Amoxicillin-Clavulanate Potass30 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: $47.72
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. The 55,478 providers of this specialty with any payment received $902.55 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.
Bills Medicare through one group practice
- Drh Medical GroupOakland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
10 family medicine physician records list a practice address in Lafayette
They are 10 of the 736 NPPES records with a practice address in Lafayette, and 17,133 family medicine physician records in California.
All 10 in Lafayette → All 17,133 in California → Every provider in Lafayette →
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 Marc B. Berzansky, D.O.'s NPI number?
Marc B. Berzansky, D.O.'s National Provider Identifier (NPI) is 1013020833, issued on Aug 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc B. Berzansky, D.O. located?
The NPPES record lists a practice address at 911 Moraga RD, Lafayette, CA, 94549. Phone: (925) 961-9120. Providers update this record themselves, so call before visiting.
How can I verify Marc B. Berzansky, D.O.'s license?
NPPES lists California license number 20A8064, 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 Marc B. Berzansky, D.O. prescribe under Medicare Part D?
In 2024, Marc B. Berzansky, D.O. had 722 Medicare Part D claims for 558 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.