Ioannis Konstantinidis, M.D.
Surgical Oncology Physician · West Hollywood, CA
Ioannis Konstantinidis, M.D. is a surgical oncology physician with a practice address in West Hollywood, California, and NPI 1477789972, issued on Jun 10, 2009. Check the license (California A141964, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ioannis Konstantinidis
- Credential
- M.D.
- Primary taxonomy
- Surgical Oncology Physician 2086X0206X
- License numbers
- A141964 CA
R9236 TX
Self-reported in NPPES; status is on the state search - Practice location
- 310 N San Vicente Blvd FL 3, West Hollywood, CA 90048
- Phone
- (310) 423-9331
- Enumerated
- Jun 10, 2009
- Entity
- Type 1 · individual
Also registered at 310 N San Vicente Blvd FL 3
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Alison Bonk, N. P.Nurse Practitioner1144577461
Verify Ioannis Konstantinidis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A141964Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
80% fewer Medicare Part D claims than the average surgical oncology physician in 2024
20 Medicare Part D claims for 15 beneficiaries, against an average of 99 among the 895 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.
Industry payments in 2024: $1,101.64
6 payments, mostly food and beverage; the largest payer was Intuitive Surgical, Inc.. The 807 providers of this specialty with any payment received $3,186.36 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospital and facility affiliations
- Cedars-Sinai Medical CenterWest Hollywood, CA · Acute Care Hospitals5 of 5 stars
- Cedars-Sinai Medical Care FoundationPasadena, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Surgical Oncology Physician providers in California
There are 187 surgical oncology physician records in California.
Other surgical oncology physician records in California
- Rahim Aimaq, MDDuarte, CA1710133889
- Yasir AkmalLos Angeles, CA1689832966
- Mohammed Al-Temimi, MDSan Jose, CA1144562836
- Farin Amersi, M.D.West Hollywood, CA1679587604
- Elizabeth Arena, M.D.Los Angeles, CA1245460237
- Avo Artinyan, MDDuarte, CA1609934942
- Afshin Bahador, MDSan Diego, CA1316963713
- Jennifer Baker, MDLos Angeles, CA1447504121
- Jaikrishna Balkissoon, MDBerkeley, CA1508974056
- Robert Barone, M.D.San Diego, CA1528083573
Common questions
What is Ioannis Konstantinidis, M.D.'s NPI number?
Ioannis Konstantinidis, M.D.'s National Provider Identifier (NPI) is 1477789972, issued on Jun 10, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Ioannis Konstantinidis, M.D. located?
The NPPES record lists a practice address at 310 N San Vicente Blvd FL 3, West Hollywood, CA, 90048. Phone: (310) 423-9331. Providers update this record themselves, so call before visiting.
How can I verify Ioannis Konstantinidis, M.D.'s license?
NPPES lists California license number A141964, 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 Ioannis Konstantinidis, M.D. prescribe under Medicare Part D?
In 2024, Ioannis Konstantinidis, M.D. had 20 Medicare Part D claims for 15 beneficiaries; the average among surgical oncology physician prescribers was 99. 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.