DR. MARK W WARNER (DO) – Orthopaedic Surgery Physician, NPI 1780784991

DR. MARK W WARNER (DO) is a healthcare provider. based in Allegan, Michigan. specializing in Orthopaedic Surgery Physician. They hold the professional credentials DO. They hold a License No. MW007555 (MI). The NPI Number for DR. MARK W WARNER (DO) is 1780784991

Main info

Male
Sole Proprietor
48 Years Of Experience
Accepts Medicare Assignment
Name
DR. MARK W WARNER (DO)
NPI
1780784991
Phone
(269) 673-5571
Address
551 LINN ST
Enumeration Date
25 September 2006
Last Update Date
24 June 2010

Doctor Profile

Medical School Name
MICHIGAN STATE UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Secondary Phone
9892242338
Graduation Year
1978 (48 years ago)
PAC ID
4183748791
Group Practice PAC ID
5395658850
Professional Enrollment ID
I20100903000478
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for DR. MARK W WARNER (DO)

  • 551, Linn Street, Allegan, Allegan Township, Allegan County, Michigan, 49010, United States

    STE 220

    ALLEGAN, MI 490101595

    Phone: (269) 673-5571

    Fax: (269) 673-1654

    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: 2010-09-03

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
I20100903000478IOrthopedic SurgeryMITBD

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 49010)

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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: 5395658850View full group profile
NameSpecialtyState
Family PracticeMI
-MI
General SurgeryMI
-MI
Emergency MedicineMI
Emergency MedicineMI
Family PracticeMI
Physician AssistantFL
Nurse PractitionerMI
Internal Medicine, Family PracticeMI

Reviews

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Frequently asked questions

How do I look up DR. MARK W WARNER (DO) by NPI?
Use NPI 1780784991 when you need to reference DR. MARK W WARNER (DO) in forms, claims, or directories.
Does this profile mean DR. MARK W WARNER (DO) is currently active?
Yes — DR. MARK W WARNER (DO) appears active in the national provider directory.
What field does DR. MARK W WARNER (DO) work in?
You can think of DR. MARK W WARNER (DO) as practicing within Orthopaedic Surgery Physician. Clinical services aligned with this taxonomy classification.
Does DR. MARK W WARNER (DO) practice in Michigan?
You will see Allegan, Michigan on file for DR. MARK W WARNER (DO) alongside any extra practice locations.
What if Allegan, Michigan seems incomplete?
Street-level detail can be omitted — open the full address list for this NPI.

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