IOANNIS KONSTANTINIDIS M.D.
NPI 1477789972
Surgery - Surgical Oncology in West Hollywood, CA
About Ioannis Konstantinidis M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
IOANNIS KONSTANTINIDIS M.D. (NPI 1477789972) is an individual surgical oncology provider in West Hollywood, California, licensed in California (A141964) and active in the NPI registry since June 2009. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Ioannis Konstantinidis M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Ioannis Konstantinidis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 2,118 clinicians in this Medicare group
Los Angeles, CA 90048
- Reassigned Medicare billing, California enrollment
- 1,001 clinicians in this Medicare group
El Paso, TX 79911
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Texas Tech University Health Sciences Center El Paso
- 856 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90048 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ioannis Konstantinidis's NPI number?
The NPI number for Ioannis Konstantinidis is 1477789972. It was assigned to this individual provider in the NPPES registry on June 10, 2009.
Where is Ioannis Konstantinidis located?
Ioannis Konstantinidis practices at 310 N San Vicente Blvd Fl 3, West Hollywood, CA 90048. The listed phone number is (310) 423-9331.
What is Ioannis Konstantinidis's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.
Is Ioannis Konstantinidis enrolled in Medicare?
Yes. Ioannis Konstantinidis is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ioannis Konstantinidis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ioannis Konstantinidis reassigns Medicare benefits to 3 organizations: Cedars-Sinai Medical Care Foundation (Los Angeles, CA), Cedars-Sinai Medical Center (Los Angeles, CA) and Texas Tech University Health Sciences Center (El Paso, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ioannis Konstantinidis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ioannis Konstantinidis accept?
Health plans from Blue Cross and Blue Shield of Texas and Imperial Insurance Companies, Inc. list Ioannis Konstantinidis as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Ioannis Konstantinidis was last updated on August 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ioannis Konstantinidis, M.D. · NPI 1477789972
Surgical Oncology physician in West Hollywood, California. Individual provider, active in the CMS NPPES registry since June 10, 2009.
## Identity
- **NPI:** 1477789972 (Entity type: Individual)
- **Enumerated:** June 10, 2009
- **Primary specialty:** Surgery - Surgical Oncology · taxonomy 2086X0206X
- **State license:** A141964 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 310 N SAN VICENTE BLVD FL 3, West Hollywood, CA 90048-1810
- **Phone:** (310) 423-9331 · **Fax:** (310) 423-9399
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Cedars-Sinai Medical Care Foundation (NPI 1043826720, Los Angeles, CA); Cedars-Sinai Medical Center (NPI 1639172372, Los Angeles, CA); Texas Tech University Health Sciences Center (NPI 1083167134, El Paso, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** August 7, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1477789972) · Data from the CMS NPPES public registry.