ETHAN GLAZENER – Radiation Oncology Physician, NPI 1831620475

ETHAN GLAZENER is a healthcare provider. based in Orange, California. specializing in RADIATION ONCOLOGY. They hold a License No. 293707 (MA). The NPI Number for ETHAN GLAZENER is 1831620475

Main info

Male
Sole Proprietor
9 Years Of Experience
Accepts Medicare Assignment
Name
ETHAN GLAZENER
NPI
1831620475
Phone
(714) 456-5691
Address
101 THE CITY DR S STE 400
Enumeration Date
24 March 2017
Last Update Date
5 December 2023

Doctor Profile

Medical School Name
LOMA LINDA UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
7745526000
Graduation Year
2017 (9 years ago)
PAC ID
4688900061
Group Practice PAC ID
9638326671
Professional Enrollment ID
I20220610002009
Address ID
MA026015230HY27XXXSTXX300
Telehealth
Yes

Contacts

SOAP Endpoint
https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq
Data current as of
20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience47
Completeness85
Years active:9State licenses:1Other namesUpdated within 12 months

677 RADIATION ONCOLOGY in CA

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Provider Addresses for ETHAN GLAZENER

  • 400, The City Drive South, Orange, Orange County, California, 92868, United States

    ORANGE, CA 928683201

    Phone: (714) 456-5691

    Fax: (714) 456-8874

    Type: Location

  • 27 PARK ST

    HYANNIS, MA 026015230

    Phone:

    Type: Mailing

  • 27151, El Moro, Mission Viejo, Orange County, California, 92691, United States

    MISSION VIEJO, CA 926911006

    Phone:

    Type: Mailing

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

CMS reports 4 Open Payments records for all available years, with a total value of $200.

Total Amount is formed as General ($200) + Research ($0) + Ownership ($0) = $200.

Last reported payment date: 2023-07-31 • Largest payer in this snapshot: Brainlab, Inc. ($127).

Total Amount

$200

General + Research + Ownership

Payments

4

Total payment records

General Amount

$200

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2023-07-31

Latest reported date

Top Companies

Largest payers in this snapshot

View all Open Payments →|Open Payments Risk Radar →

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2022-06-10

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20220610002009IRadiation OncologyMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
77014Ct guidance for insertion of radiation therapy fields93497$0
G6002Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy69759$0
77427Radiation treatment management, 5 treatment sessions379115$0
77334Design and construction of complex radiation treatment device28590$0
77300Calculation of radiation therapy dose255106$0
View full utilization report →

Insurance plans in this area (ZIP 92868)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 9638326671View full group profile
NameSpecialtyState
Pulmonary Disease, Critical Care (Intensivists), Internal MedicineMA
Diagnostic RadiologyNH
Diagnostic RadiologyOK
Physician AssistantMA
Internal MedicineMA
Radiation Oncology, Hematology/OncologyOH
Nephrology, Internal MedicineMA
Physician AssistantMA
P S Y C H I A T R YME
Internal Medicine, Cardiac Electrophysiology, Cardiovascular Disease (Cardiology)RI

Reviews

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Frequently asked questions

What identifier follows ETHAN GLAZENER across health systems?
The NPI 1831620475 uniquely identifies ETHAN GLAZENER in U.S. healthcare data.
Should I treat ETHAN GLAZENER as an active provider?
Patients and plans typically see ETHAN GLAZENER as active in the national extract.
Which specialty label fits ETHAN GLAZENER?
NPPES ties ETHAN GLAZENER to Radiation Oncology Physician in the taxonomy section. Clinical services aligned with this taxonomy classification.
Is ETHAN GLAZENER tied to Orange, California?
If you are local to Orange, California, ETHAN GLAZENER may be relevant to your search.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

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