DR. DENNIS J PIERSON (M.D.) – Family Medicine Physician, NPI 1538165329

DR. DENNIS J PIERSON (M.D.) is a healthcare provider. based in Lima, Ohio. specializing in FAMILY PRACTICE, GERIATRIC MEDICINE. They hold the professional credentials M.D.. They hold a License No. 35.043987 (OH). The NPI Number for DR. DENNIS J PIERSON (M.D.) is 1538165329

Main info

Male
47 Years Of Experience
Accepts Medicare Assignment
Name
DR. DENNIS J PIERSON (M.D.)
NPI
1538165329
Phone
(419) 227-9676
Address
1220 E ELM ST
Enumeration Date
27 June 2005
Last Update Date
26 August 2025

Doctor Profile

Medical School Name
OHIO STATE UNIVERSITY COLLEGE OF MEDICINE
Secondary Phone
6147056980
Graduation Year
1979 (47 years ago)
PAC ID
5496656076
Group Practice PAC ID
3678469129
Professional Enrollment ID
I20090602000286
Address ID
OH432324814CO3480XRDXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness85
Years active:20State licenses:1Digital endpointsOther names

4,431 FAMILY PRACTICE in OH

Provider Addresses for DR. DENNIS J PIERSON (M.D.)

  • 1220, East Elm Street, Lima, Bath Township, Allen County, Ohio, 45804, United States

    STE 240

    LIMA, OH 458042898

    Phone: (419) 227-9676

    Fax: (419) 227-9794

    Type: Mailing

  • 3433 AGLER RD STE 2800

    COLUMBUS, OH 432193389

    Phone: (614) 859-1906

    Fax: (614) 458-1849

    Type: Mailing

  • 1905 PARSONS AVE

    COLUMBUS, OH 432071933

    Phone: (614) 586-4159

    Fax: (614) 586-4252

    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: 2009-06-02

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
I20090602000286IFamily PracticeOHTBD

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 45804)

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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: 3678469129View full group profile

Reviews

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Frequently asked questions

How do payers reference DR. DENNIS J PIERSON (M.D.)?
For DR. DENNIS J PIERSON (M.D.), use NPI 1538165329 as the unique 10-digit identifier.
Is DR. DENNIS J PIERSON (M.D.) shown as active in public data?
Registry records indicate DR. DENNIS J PIERSON (M.D.) maintains an active NPI.
What kind of doctor is DR. DENNIS J PIERSON (M.D.)?
DR. DENNIS J PIERSON (M.D.) is associated with Family Medicine Physician in the directory — Clinical services aligned with this taxonomy classification.
Where in Ohio is DR. DENNIS J PIERSON (M.D.) registered?
Use Lima, Ohio as the headline location for DR. DENNIS J PIERSON (M.D.) here.
What does 4 location(s) imply?
4 practice locations appear in the available data.

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