Ermis Nikas, DO
Urology Physician · Vallejo, CA
Ermis Nikas, DO is a urology physician with a practice address in Vallejo, California, and NPI 1588742399, issued on Nov 1, 2006. Check the license (California 20A8662, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ermis Nikas
- Credential
- DO
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 20A8662 CA
Self-reported in NPPES; status is on the state search - Practice location
- 975 Sereno Dr, Vallejo, CA 94589
- Phone
- (707) 651-1000
- Enumerated
- Nov 1, 2006
- Record last updated
- Dec 20, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 00AX86620 CA
- Medicare enrollment
- Enrolled (PECOS I20031226000380); accepts Medicare assignment
- Medical or professional school
- R Franklin University Of Med & Sci/Chicago Medical School, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 1,524 in California → Look up another NPI →
Also registered at 975 Sereno Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joel Aandahl, NPAdult Health Nurse Practitioner1891423653
- Noman Absar, MDCritical Care Medicine (Internal Medicine) Physician1205908951
- Anthony Acquaviva, MDUrology Physician1457439283
- Jhonnard James Acuna, CRNACertified Registered Nurse Anesthetist1205997327
- Omid AfshariPharmacist1184165391
- Eesha AftabStudent in an Organized Health Care Education/Training Program1770421687
Verify Ermis Nikas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A8662Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average urology physician in 2024
1,283 Medicare Part D claims for 367 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 19 claims were for opioids.
Most prescribed
- Tamsulosin Hcl272 claims
- Finasteride239 claims
- Myrbetriq121 claims
- Solifenacin Succinate118 claims
- Bicalutamide53 claims
- Mirabegron Er51 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
- Permanente Medical Group IncVallejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ermis Nikas among 1,524 urology physician records in California
Ermis Nikas, DO is one of 1,524 urology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 51% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1994 · median 2003 among the 1,049 with a school on file
- Record last updated2021 · 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 208800000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in California
There are 1,524 urology physician records in California.
All 1,524 in California → Every provider in Vallejo → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Anthony Acquaviva, MDVallejo, CA 945891457439283
- Eric Engelman, MDVallejo, CA 945891467592998
- Christopher Knopick, MDVallejo, CA 945891144426636
- Melineh Ohanjanian, MDVallejo, CA 945891760554414
- Kisseng Hsieh, MDPleasanton, CA 945881053300236
- Bernd Schmidt, MDPleasanton, CA 945881326083882
- Mark Avon, M.D.San Ramon, CA 945831689711756
- Robert Cannon, M.D.Walnut Creek, CA 945951033528351
Common questions
What is Ermis Nikas, DO's NPI number?
Ermis Nikas, DO's National Provider Identifier (NPI) is 1588742399, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ermis Nikas, DO located?
The NPPES record lists a practice address at 975 Sereno Dr, Vallejo, CA, 94589. Phone: (707) 651-1000. Providers update this record themselves, so call before visiting.
How can I verify Ermis Nikas, DO's license?
NPPES lists California license number 20A8662, 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 Ermis Nikas, DO prescribe under Medicare Part D?
In 2024, Ermis Nikas, DO had 1,283 Medicare Part D claims for 367 beneficiaries; the average among urology physician prescribers was 1,340. 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.