Constantine Kulkoff, D.O.
Occupational Medicine Physician · Salinas, CA
Constantine Kulkoff, D.O. is an occupational medicine physician with a practice address in Salinas, California, and NPI 1316574452, issued on Mar 26, 2020. Check the license (California 20A19557, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Constantine Kulkoff
- Credential
- D.O.
- Primary taxonomy
- Occupational Medicine Physician 2083X0100X
- License number
- 20A19557 CA
Self-reported in NPPES; status is on the state search - Practice location
- 21 San Miguel Ave Ste A, Salinas, CA 93901
- Phone
- (831) 256-7673
- Enumerated
- Mar 26, 2020
- Record last updated
- Mar 10, 2026
- Fax
- (831) 800-8582
- Entity
- Type 1 · individual
8 nearest occupational medicine physician records → All 415 in California → Look up another NPI →
Verify Constantine Kulkoff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A19557Check 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 occupational medicine physician in 2024
761 Medicare Part D claims for 158 beneficiaries, against an average of 794 among the 463 providers of this specialty who prescribed in Part D.
Most prescribed
- Losartan Potassium46 claims
- Amlodipine Besylate41 claims
- Atorvastatin Calcium39 claims
- Metformin Hcl Er38 claims
- Lisinopril37 claims
- Fluticasone Propionate34 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.
Constantine Kulkoff among 415 occupational medicine physician records in California
Constantine Kulkoff, D.O. is one of 415 occupational medicine physician records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 97% of them.
- NPI issued2020 · 97% of these records are older, 2% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 12% of these records are
- Record last updated2026 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083X0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Occupational Medicine Physician providers in California
There are 415 occupational medicine physician records in California.
All 415 in California → Every provider in Salinas → Occupational Medicine Physician nationwide →
The 8 occupational medicine physician records with the nearest ZIP codes
- Anthony Galicia, M.D.Salinas, CA 939061912942095
- Marc Johnson, MDSalinas, CA 939071033251681
- Larry Widman, M.D.Salinas, CA 939071366765448
- Gary Fujimoto, M.D.Los Altos, CA 940241528122025
- Jordan Firestone, MD, PHD, MPHMountain View, CA 940401124108196
- Pravin Kumar Patel, MDMt View, CA 940401851592273
- Anthony Dubose, M.DRedwood City, CA 940621891840955
- James Boyle, MDRedwood City, CA 940631306924956
Common questions
What is Constantine Kulkoff, D.O.'s NPI number?
Constantine Kulkoff, D.O.'s National Provider Identifier (NPI) is 1316574452, issued on Mar 26, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Constantine Kulkoff, D.O. located?
The NPPES record lists a practice address at 21 San Miguel Ave Ste A, Salinas, CA, 93901. Phone: (831) 256-7673. Providers update this record themselves, so call before visiting.
How can I verify Constantine Kulkoff, D.O.'s license?
NPPES lists California license number 20A19557, 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 Constantine Kulkoff, D.O. prescribe under Medicare Part D?
In 2024, Constantine Kulkoff, D.O. had 761 Medicare Part D claims for 158 beneficiaries; the average among occupational medicine physician prescribers was 794. 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.