JOHN T TRIANTAFYLLOS (M.D.) – Radiation Oncology Physician, NPI 1720053705

JOHN T TRIANTAFYLLOS (M.D.) is a healthcare provider. based in Des moines, Iowa. specializing in RADIATION ONCOLOGY. They hold the professional credentials M.D.. They hold a License No. G083479 (CA). The NPI Number for JOHN T TRIANTAFYLLOS (M.D.) is 1720053705

Main info

Male
34 Years Of Experience
Accepts Medicare Assignment
Name
JOHN T TRIANTAFYLLOS (M.D.)
NPI
1720053705
Phone
(515) 241-4330
Address
1221 PLEASANT ST
Enumeration Date
22 February 2006
Last Update Date
12 December 2008

Doctor Profile

Medical School Name
R FRANKLIN UNIVERSITY OF MED & SCI/CHICAGO MEDICAL SCHOOL
Secondary Phone
5159641101
Graduation Year
1992 (34 years ago)
PAC ID
4688737877
Group Practice PAC ID
1052229275
Professional Enrollment ID
I20090114000482
Address ID
IA500231552AN410XXDRXX400
Telehealth
Yes
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience63
Completeness75
Years active:20State licenses:2Digital endpointsOther names

69 RADIATION ONCOLOGY in IA

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Provider Addresses for JOHN T TRIANTAFYLLOS (M.D.)

  • 1221, Pleasant Street, Sherman Hill, Des Moines, Polk County, Iowa, 50309, United States

    SUITE A100

    DES MOINES, IA 503091428

    Phone: (515) 241-4330

    Mailing address matches the actual address.

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 $164.

Total Amount is formed as General ($164) + Research ($0) + Ownership ($0) = $164.

Last reported payment date: 2024-11-06 • Largest payer in this snapshot: Siemens Medical Solutions USA, Inc. ($116).

Total Amount

$164

General + Research + Ownership

Payments

4

Total payment records

General Amount

$164

General payments

Research Amount

$0

Research funding

Ownership Amount

$0

Ownership interests

Ownership Count

0

Ownership records

Last Payment Date

2024-11-06

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: 2009-01-14

PECOS data refreshed: 2026-06-15

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
I20090114000482IRadiation OncologyIATBD

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 fields1,279189$0
77300Calculation of radiation therapy dose36787$0
77427Radiation treatment management, 5 treatment sessions32990$0
77334Design and construction of complex radiation treatment device26866$0
99214Established patient office or other outpatient visit, 30-39 minutes174102$0
View full utilization report →

Insurance plans in this area (ZIP 50309)

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Provider's Procedures

JOHN T TRIANTAFYLLOS (M.D.) performs procedures in RADIATION ONCOLOGY. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
RADIATION ONCOLOGYIA77263Management of radiation therapy, complex119111
RADIATION ONCOLOGYIA77427Radiation treatment management, 5 treatments369106

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: 1052229275View full group profile

Reviews

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Frequently asked questions

What is the 10-digit NPI for JOHN T TRIANTAFYLLOS (M.D.)?
JOHN T TRIANTAFYLLOS (M.D.) — NPI 1720053705 — is the standard way to identify this listing.
Does CMS list JOHN T TRIANTAFYLLOS (M.D.) as active?
Yes — JOHN T TRIANTAFYLLOS (M.D.) is active in the NPI listing used on this page.
What is JOHN T TRIANTAFYLLOS (M.D.)'s specialty?
The listing groups JOHN T TRIANTAFYLLOS (M.D.) with Radiation Oncology Physician. Clinical services aligned with this taxonomy classification.
Does JOHN T TRIANTAFYLLOS (M.D.) list a practice location?
Patients near Des Moines, Iowa may find JOHN T TRIANTAFYLLOS (M.D.) in results; validate coverage separately.
What does 'Individual Provider' mean on this profile?
Entity type tells you whether the number belongs to a person or an organization.

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