MR. TIMOTHY J ARNOLD (MD) – Family Medicine Physician, NPI 1215904115

MR. TIMOTHY J ARNOLD (MD) is a healthcare provider. based in Aitkin, Minnesota. specializing in FAMILY PRACTICE. They hold the professional credentials MD. They hold a License No. 41560 (MN). The NPI Number for MR. TIMOTHY J ARNOLD (MD) is 1215904115

Main info

Male
28 Years Of Experience
Accepts Medicare Assignment
Name
MR. TIMOTHY J ARNOLD (MD)
NPI
1215904115
Phone
(218) 927-2157
Address
200 BUNKER HILL DR
Enumeration Date
1 March 2006
Last Update Date
5 November 2020

Doctor Profile

Medical School Name
UNIVERSITY OF MINNESOTA MEDICAL SCHOOL
Secondary Phone
2187684011
Graduation Year
1998 (28 years ago)
PAC ID
4284739939
Group Practice PAC ID
4981514692
Professional Enrollment ID
I20070425000206
Address ID
MN557601433MC2XXXXAVEX400

Contacts

Secure Messaging
tarnold164315@excellian.direct.allina.com
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Other namesUpdated within 12 months

3,075 FAMILY PRACTICE in MN

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Provider Addresses for MR. TIMOTHY J ARNOLD (MD)

  • Riverwood Healthcare Center, 200, Bunker Hill Drive, Aitkin, Aitkin County, Minnesota, 56431, United States

    AITKIN, MN 564311865

    Phone: (218) 927-2157

    Fax: (218) 927-4130

    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)

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: 2007-04-25

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
I20070425000206IFamily PracticeMNTBD

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 56431)

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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: 4981514692View full group profile
NameSpecialtyState
Internal Medicine, HospitalistMN
Family PracticeMN
Physician AssistantMN
Diagnostic Radiology, Interventional RadiologyMN
Nurse PractitionerMN
Certified Registered Nurse Anesthetist (Crna)MN
Internal MedicineMN
Internal MedicineMN
-MN
Interventional RadiologyMN

Reviews

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Frequently asked questions

What federal number belongs to MR. TIMOTHY J ARNOLD (MD)?
The federal identifier for MR. TIMOTHY J ARNOLD (MD) is NPI 1215904115.
Is MR. TIMOTHY J ARNOLD (MD) currently active in the NPI registry?
CMS-published data lists MR. TIMOTHY J ARNOLD (MD) as an active registrant.
What does MR. TIMOTHY J ARNOLD (MD) treat or focus on?
Patients typically see MR. TIMOTHY J ARNOLD (MD) under the specialty Family Medicine Physician. Clinical services aligned with this taxonomy classification.
Where does public data place MR. TIMOTHY J ARNOLD (MD)?
The snapshot lists Aitkin, Minnesota for MR. TIMOTHY J ARNOLD (MD); download NPPES for the complete set.
What if Aitkin, Minnesota seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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