SAMUEL NICHOLAS REGAN (MD) – Radiation Oncology Physician, NPI 1295363851

SAMUEL NICHOLAS REGAN (MD) is a healthcare provider. based in Detroit, Michigan. specializing in RADIATION ONCOLOGY. They hold the professional credentials MD. They hold a License No. 4301513556 (MI). The NPI Number for SAMUEL NICHOLAS REGAN (MD) is 1295363851

Main info

Male
Sole Proprietor
6 Years Of Experience
Accepts Medicare Assignment
Name
SAMUEL NICHOLAS REGAN (MD)
NPI
1295363851
Phone
(512) 583-2000
Address
PO BOX 77269
Enumeration Date
30 March 2020
Last Update Date
27 April 2026

Doctor Profile

Medical School Name
OTHER
Secondary Phone
7347123595
Graduation Year
2020 (6 years ago)
PAC ID
9234553132
Group Practice PAC ID
2062460165
Professional Enrollment ID
I20250721000374
Address ID
MI481971051YP5301XDRXX500

Contacts

Secure Messaging
sregan674675@direct.trinity-health.org
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience41
Completeness95
Years active:6State licenses:1Other names

248 RADIATION ONCOLOGY in MI

Provider Addresses for SAMUEL NICHOLAS REGAN (MD)

  • PO BOX 77269

    DETROIT, MI 482770269

    Phone: (512) 583-2000

    Fax: (512) 583-2001

    Type: Mailing

  • 5301 MCAULEY DR

    YPSILANTI, MI 481971051

    Phone: (734) 712-3595

    Fax: (734) 712-5344

    Type: Location

  • 3099 SHELDRAKE CIR

    LYSANDER, NY 130278906

    Phone: (315) 283-7802

    Type: Mailing

  • 5333 MCAULEY DR RM 4001

    YPSILANTI, MI 481971099

    Phone: (734) 712-3980

    Type: Location

  • 718 W JEFFERSON ST

    ANN ARBOR, MI 481034824

    Phone: (315) 283-7802

    Type: Mailing

  • 1500 E MEDICAL CENTER DR

    ANN ARBOR, MI 481095000

    Phone: (734) 936-4300

    Type: Location

  • 36475 5 Mile Rd

    Livonia, MI 481541971

    Phone: (734) 655-2006

    Fax: (734) 655-2656

    Type: Location

  • 1600 S Canton Center Rd

    Canton, MI 481881992

    Phone: (734) 398-8718

    Fax: (734) 398-8648

    Type: Location

  • 775 S Main St

    Chelsea, MI 481181383

    Phone: (734) 593-5683

    Fax: (734) 593-5695

    Type: Location

  • 7575 Grand River Rd

    Brighton, MI 481149309

    Phone: (810) 844-7250

    Fax: (810) 844-7260

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

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: 2025-07-21

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
I20250721000374IRadiation OncologyMITBD

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.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 48277)

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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: 2062460165View full group profile
NameSpecialtyState
Radiation OncologyMI
Radiation OncologyMI
Radiation OncologyMI
-MI
Radiation OncologyMI
Radiation OncologyMI
Radiation OncologyMI
-MI
Radiation OncologyMI

Reviews

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Frequently asked questions

What federal number belongs to SAMUEL NICHOLAS REGAN (MD)?
The federal identifier for SAMUEL NICHOLAS REGAN (MD) is NPI 1295363851.
Is SAMUEL NICHOLAS REGAN (MD) currently active in the NPI registry?
CMS-published data lists SAMUEL NICHOLAS REGAN (MD) as an active registrant.
What kind of provider is SAMUEL NICHOLAS REGAN (MD)?
The page reflects Radiation Oncology Physician for SAMUEL NICHOLAS REGAN (MD). Clinical services aligned with this taxonomy classification.
Does SAMUEL NICHOLAS REGAN (MD) practice in Michigan?
You will see Detroit, Michigan on file for SAMUEL NICHOLAS REGAN (MD) alongside any extra practice locations.
How can I contact SAMUEL NICHOLAS REGAN (MD)?
Phone or fax may appear on the official NPI record when supplied — verify before relying on them.

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