NPPES file of Aug 9, 2026

Oleg Merzlikin, MD

Surgery Physician · Oakland, CA

Oleg Merzlikin, MD is a surgery physician with a practice address in Oakland, California, and NPI 1568760643, issued on Mar 14, 2011. Check the license (California 1178883, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568760643
Name
Oleg Merzlikin
Credential
MD
Primary taxonomy
Surgery Physician 208600000X
License number
1178883 CA
Self-reported in NPPES; status is on the state search
Practice location
350 30TH St Ste 411, Oakland, CA 94609
Phone
(510) 204-8168
Enumerated
Mar 14, 2011
Record last updated
Sep 25, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(510) 506-7721
Medicare enrollment
Enrolled (PECOS I20191104001274); accepts Medicare assignment
Medical or professional school
University Of California, Davis School Of Medicine, 2013
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 350 30TH St Ste 411

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Giovanni Begossi, M.D.Surgical Oncology Physician1053460873
  2. David Blumberg, MDSurgery Physician1295890440
  3. Robert Bober, MDCardiovascular Disease Physician1962469841
  4. Stephen Raskin, MDCardiovascular Disease Physician1730125980
  5. Michael Tsang, M.D.Cardiovascular Disease Physician1053335117
  6. Jalal Vargha, D.O.Cardiovascular Disease Physician1639599467

Verify Oleg Merzlikin in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 1178883
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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74% fewer Medicare Part D claims than the average surgery physician in 2024

38 Medicare Part D claims for 16 beneficiaries, against an average of 147 among the 20,115 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Oleg Merzlikin38
  2. Specialty average147

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

  1. Sutter Bay Medical FoundationBerkeley, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Oleg Merzlikin among 3,118 surgery physician records in California

Oleg Merzlikin, MD is one of 3,118 surgery physician records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 70% of them.

  • NPI issued2011 · 70% of these records are older, 27% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2013 · median 2003 among the 1,901 with a school on file
  • Record last updated2019 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208600000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Surgery Physician providers in California

There are 3,118 surgery physician records in California.

The 8 surgery physician records with the nearest ZIP codes

  1. David Blumberg, MDOakland, CA 946091295890440
  2. Gregory Broderick-Villa, MDOakland, CA 946091376571562
  3. Kenneth Chang, M.D.Oakland, CA 946091952544355
  4. Jon Greif, D.O.Oakland, CA 946091306958095
  5. Rupert Horoupian, MDOakland, CA 946091184686156
  6. Diane Kwan, M.D.Oakland, CA 946091992913859
  7. Collin Mbanugo, M.D.Oakland, CA 946091134271471
  8. Bruce Moorstein, MDOakland, CA 946091457359515

Common questions

What is Oleg Merzlikin, MD's NPI number?

Oleg Merzlikin, MD's National Provider Identifier (NPI) is 1568760643, issued on Mar 14, 2011. An NPI identifies a provider in billing; it is not a license.

Where is Oleg Merzlikin, MD located?

The NPPES record lists a practice address at 350 30TH St Ste 411, Oakland, CA, 94609. Phone: (510) 204-8168. Providers update this record themselves, so call before visiting.

How can I verify Oleg Merzlikin, MD's license?

NPPES lists California license number 1178883, 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 Oleg Merzlikin, MD prescribe under Medicare Part D?

In 2024, Oleg Merzlikin, MD had 38 Medicare Part D claims for 16 beneficiaries; the average among surgery physician prescribers was 147. 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.