Timothy Bilash, M.D., M.S.
Obstetrics & Gynecology Physician · La Jolla, CA
Timothy Bilash, M.D., M.S. is an obstetrics & gynecology physician with a practice address in La Jolla, California, and NPI 1437189545, issued on Jul 4, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Timothy Bilash
- Credential
- M.D., M.S.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- C1-0004423 DE
036-088375 IL
Self-reported in NPPES; status is on the state search - Practice location
- 9834 Genesee Ave, La Jolla, CA 92037
- Phone
- (858) 481-0600
- Enumerated
- Jul 4, 2006
- Entity
- Type 1 · individual
Also registered at 9834 Genesee Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Joseph Blatt, MDClinical Cardiac Electrophysiology Physician1235242165
- Mark Boiskin, M.D.Nephrology Physician1437154143
- Douglas Bolitho, M.D.Plastic Surgery Physician1740488196
- Kathleen Bulley, AUDAudiologist1477734960
Verify Timothy Bilash in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
87% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
21 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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.
68 obstetrics & gynecology physician records list a La Jolla practice address
They are 68 of the 3,648 NPPES records with a La Jolla practice address, and 5,088 obstetrics & gynecology physician records in California.
All 68 in La Jolla → All 5,088 in California → Every provider in La Jolla →
Other obstetrics & gynecology physician records in California
- Ingrid Aalami, MDSan Jose, CA1952376550
- Avisa Abaian- Eagar, M.D.Orange, CA1316057755
- Derek Abbassi, MDWalnut Creek, CA1841364155
- Ahmed Abdelaziz, MDSanta Maria, CA1790039733
- Alireza Abdollah Shamshirsaz, M.D.Palo Alto, CA1881804235
- Nicole Abell, DOVentura, CA1811243603
- Zachary AbelsonLos Angeles, CA1689237414
- Ray Abinader, M.D.Loma Linda, CA1770901548
- Tarek Abou El Kheir, M.D.San Bernardino, CA1477521789
- Nada Abou-HaibaLos Angeles, CA1134067549
Common questions
What is Timothy Bilash, M.D., M.S.'s NPI number?
Timothy Bilash, M.D., M.S.'s National Provider Identifier (NPI) is 1437189545, issued on Jul 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy Bilash, M.D., M.S. located?
The NPPES record lists a practice address at 9834 Genesee Ave, La Jolla, CA, 92037. Phone: (858) 481-0600. Providers update this record themselves, so call before visiting.
How can I verify Timothy Bilash, M.D., M.S.'s license?
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 Timothy Bilash, M.D., M.S. prescribe under Medicare Part D?
In 2024, Timothy Bilash, M.D., M.S. had 21 Medicare Part D claims; the average among obstetrics & gynecology physician prescribers was 165. 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.