DR. DEBORAH R NIELSENDEJONG (MD) – Emergency Medical Services (Emergency Medicine) Physician, NPI 1740269976

DR. DEBORAH R NIELSENDEJONG (MD) is a healthcare provider. based in Oskaloosa, Iowa. specializing in Emergency Medical Services (Emergency Medicine) Physician. They hold the professional credentials MD. They hold a License No. 28765 (IA). The NPI Number for DR. DEBORAH R NIELSENDEJONG (MD) is 1740269976

Main info

Female
39 Years Of Experience
Accepts Medicare Assignment
Name
DR. DEBORAH R NIELSENDEJONG (MD)
NPI
1740269976
Phone
(641) 672-3100
Address
1229 C AVE E
Enumeration Date
16 January 2006
Last Update Date
20 January 2022

Doctor Profile

Medical School Name
UNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Secondary Phone
6419842341
Graduation Year
1987 (39 years ago)
PAC ID
5799771549
Group Practice PAC ID
1557600756
Professional Enrollment ID
I20040426000484
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience69
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for DR. DEBORAH R NIELSENDEJONG (MD)

  • Mahaska Health Partnership, 1229, C Avenue East, Oskaloosa, Mahaska County, Iowa, 52577, United States

    OSKALOOSA, IA 525774246

    Phone: (641) 672-3100

    Fax: (641) 672-3111

    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: 2004-04-26

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
I20040426000484IFamily PracticeIATBD

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 52577)

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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: 1557600756View full group profile

Reviews

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Frequently asked questions

Does DR. DEBORAH R NIELSENDEJONG (MD) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — DR. DEBORAH R NIELSENDEJONG (MD) uses 1740269976.
Does CMS list DR. DEBORAH R NIELSENDEJONG (MD) as active?
Yes — DR. DEBORAH R NIELSENDEJONG (MD) is active in the NPI listing used on this page.
What is DR. DEBORAH R NIELSENDEJONG (MD) best known for clinically?
Directory data describes DR. DEBORAH R NIELSENDEJONG (MD) with Emergency Medical Services (Emergency Medicine) Physician. Clinical services aligned with this taxonomy classification.
What area does DR. DEBORAH R NIELSENDEJONG (MD) serve?
DR. DEBORAH R NIELSENDEJONG (MD)'s listing highlights Oskaloosa, Iowa; more addresses can appear in NPPES.
Is specialty guaranteed by NPI alone?
Taxonomy selections describe intent; scope of practice still follows state law.

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