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APOSTOLOS GAITANIDIS MD
NPI 1669059481
Surgery in Santa Monica, CA

Active since March 26, 2021PECOS EnrolledAccepts Medicare Assignment
2121 SANTA MONICA BLVD, SANTA MONICA, CA 90404(310) 315-6125 Get Directions Write a Review

NPPES record last updated: August 6, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 6, 2026, Mar 26, 2021 (2 updates tracked since 2021).

About Apostolos Gaitanidis Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

APOSTOLOS GAITANIDIS MD (NPI 1669059481) is an individual surgery provider in Santa Monica, California, licensed in California (A205772) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, maintains a secondary practice location in Norfolk, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1669059481
Entity TypeIndividualMale
Primary Taxonomy208600000X
Provider Legal NameAPOSTOLOS GAITANIDISCredential: MD
Location Address2121 SANTA MONICA BLVDSanta Monica, CA 90404-2303
Mailing Address2121 Santa Monica BlvdSanta Monica, CA 90404-2303
Phone(310) 315-6125
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateMarch 26, 2021
Last NPPES UpdateAugust 6, 20262 updates tracked since enumeration
NPPES CertifiedAugust 6, 2026
✔ NPI 1669059481 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CA · A205772
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
2121 SANTA MONICA BLVD, Santa Monica, CA 90404
Open in Google Maps ↗

Secondary Practice Location 1

Location 1825 Fairfax AveNorfolk, VA 23507-1914 · Phone (757) 446-6107

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

Apostolos Gaitanidis Md 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.

PECOS PAC ID1759782832
PECOS Enrollment IDI20260717001681
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Apostolos Gaitanidis reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Providence Saint Johns Medical Foundation
0.1 mi
Specialist
2121 SANTA MONICA BLVD
Santa Monica, CA 90404
  • Reassigned Medicare billing, California enrollment
  • 461 clinicians in this Medicare group
NPI 1770093734 (310) 582-7312

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90404 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MINA RIM KANG MD
Hospitalist
2121 SANTA MONICA BLVD
SANTA MONICA, CA 90404
Los Angeles County (310) 453-1324
DELPHINE J. LEE MD PHD INC
Dermatology
2121 SANTA MONICA BLVD
SANTA MONICA, CA 90404
Los Angeles County (310) 449-5265
ROGER JOSEPH MAH CORPORATION
Anesthesiology
2121 SANTA MONICA BLVD
SANTA MONICA, CA 90404
Los Angeles County (310) 829-5511
DR. SEAN DOOLEY M.D.
Internal Medicine (Critical Care Medicine)
2121 SANTA MONICA BLVD
SANTA MONICA, CA 90404
Los Angeles County (323) 829-8745
DANIEL ARTENSTEIN
Student in an Organized Health Care Education/Training Program
2121 SANTA MONICA BLVD
SANTA MONICA, CA 90404
Los Angeles County (310) 582-7137
JAMIE WHISLER DO
Surgery
2121 SANTA MONICA BLVD
SANTA MONICA, CA 90404
Los Angeles County (310) 315-6125
JANAI JOHNSON MS, RDN, CGN
Dietitian, Registered
2121 SANTA MONICA BLVD
SANTA MONICA, CA 90404
Los Angeles County (310) 829-8889
JUDY DANG TRUONG PA
Physician Assistant
2121 SANTA MONICA BLVD
SANTA MONICA, CA 90404
Los Angeles County (310) 829-8265

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 Apostolos Gaitanidis's NPI number?

The NPI number for Apostolos Gaitanidis is 1669059481. It was assigned to this individual provider in the NPPES registry on March 26, 2021.

Where is Apostolos Gaitanidis located?

Apostolos Gaitanidis practices at 2121 Santa Monica Blvd, Santa Monica, CA 90404. The listed phone number is (310) 315-6125.

What is Apostolos Gaitanidis's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Apostolos Gaitanidis enrolled in Medicare?

Yes. Apostolos Gaitanidis 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 organization bills Medicare for Apostolos Gaitanidis's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Apostolos Gaitanidis reassigns Medicare benefits to Providence Saint Johns Medical Foundation (Santa Monica, CA). The 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 Apostolos Gaitanidis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Apostolos Gaitanidis was last updated on August 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.