James Hlavacek, M.D.
Anesthesiology Physician · King City, CA
James Hlavacek, M.D. is an anesthesiology physician with a practice address in King City, California, and NPI 1578548236, issued on Dec 14, 2005. Check the license (California A45574, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James Hlavacek
- Credential
- M.D.
- Primary taxonomy
- Anesthesiology Physician 207L00000X
- License number
- A45574 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Canal St, King City, CA 93930
- Phone
- (831) 385-6000
- Enumerated
- Dec 14, 2005
- Record last updated
- Jul 13, 2026
- Fax
- (831) 385-5940
- Medicaid ID
- A455740 CA
- Medicare enrollment
- Enrolled (PECOS I20060510000319); accepts Medicare assignment
- Medical or professional school
- University Of Nebraska College Of Medicine, 1983
- Entity
- Type 1 · individual
8 nearest anesthesiology physician records → All 7,571 in California → Look up another NPI →
Also registered at 300 Canal St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Fernando Chiang, OTR/LOccupational Therapist1205188067
- Jay Cooper, M.D.Hospitalist Physician1558341891
- Joshua DeutschFamily Medicine Physician1942720164
- Vijay DieshPharmacist1891227864
- Juan Gonzalez, MDEmergency Medicine Physician1811946692
- Christopher Hermanson, MDEmergency Medicine Physician1891731089
Verify James Hlavacek in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A45574Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average anesthesiology physician in 2024
20 Medicare Part D claims, against an average of 402 among the 4,319 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.
Bills Medicare through one group practice
- Monterey Anesthesia ProfessionalsSalinas, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Hlavacek among 7,571 anesthesiology physician records in California
James Hlavacek, M.D. is one of 7,571 anesthesiology physician records with a practice address in California. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated1983 · median 2006 among the 4,868 with a school on file
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
3 anesthesiology physician records list a practice address in King City
They are 3 of the 138 NPPES records with a practice address in King City, and 7,571 anesthesiology physician records in California.
All 7,571 in California → Every provider in King City → Anesthesiology Physician nationwide →
The 8 anesthesiology physician records with the nearest ZIP codes
- Kevin Leahy, MDKing City, CA 939301295710978
- Amish Shah, M.D.King City, CA 939301902882137
- John Lubben, MDCarmel, CA 939231316915622
- Stephen Ross, MDCarmel, CA 939231730848656
- Heinrich Brinks, MDMonterey, CA 939401831135722
- Alexander Dubelman, MDMonterey, CA 939401699796557
- Mark IsaacsonMonterey, CA 939401396715793
- Richard Kelly, MDMonterey, CA 939401346205663
Common questions
What is James Hlavacek, M.D.'s NPI number?
James Hlavacek, M.D.'s National Provider Identifier (NPI) is 1578548236, issued on Dec 14, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James Hlavacek, M.D. located?
The NPPES record lists a practice address at 300 Canal St, King City, CA, 93930. Phone: (831) 385-6000. Providers update this record themselves, so call before visiting.
How can I verify James Hlavacek, M.D.'s license?
NPPES lists California license number A45574, 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 James Hlavacek, M.D. prescribe under Medicare Part D?
In 2024, James Hlavacek, M.D. had 20 Medicare Part D claims; the average among anesthesiology physician prescribers was 402. 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.