DR. NATHAN M. UNTERSEHER (D.C.) – Chiropractor, NPI 1689647075

DR. NATHAN M. UNTERSEHER (D.C.) is a healthcare provider. based in Seymour, Indiana. specializing in CHIROPRACTIC. They hold the professional credentials D.C.. They hold a License No. 08002198A (IN). The NPI Number for DR. NATHAN M. UNTERSEHER (D.C.) is 1689647075

Main info

Male
21 Years Of Experience
Accepts Medicare Assignment
Name
DR. NATHAN M. UNTERSEHER (D.C.)
NPI
1689647075
Phone
(812) 524-2273
Address
1260 E TIPTON ST
Enumeration Date
8 February 2006
Last Update Date
8 May 2024

Doctor Profile

Medical School Name
PALMER COLLEGE CHIROPRACTIC - DAVENPORT
Secondary Phone
8125242273
Graduation Year
2005 (21 years ago)
PAC ID
0446299234
Professional Enrollment ID
I20050502000251
Address ID
IN472743540SE1260XSTXX401
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness75
Years active:20State licenses:1Digital endpointsOther names

770 CHIROPRACTIC in IN

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Provider Addresses for DR. NATHAN M. UNTERSEHER (D.C.)

  • 1260, East Tipton Street, Seymour, Jackson County, Indiana, 47274, United States

    SEYMOUR, IN 472743540

    Phone: (812) 524-2273

    Fax: (812) 522-9852

    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: 2005-05-02

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
I20050502000251IChiropracticINTBD

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCSDescriptionServicesBeneficiariesMedicare allowed
98941Chiropractic manipulative treatment, 3-4 spinal regions28923$0
View full utilization report →

Insurance plans in this area (ZIP 47274)

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Reviews

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Frequently asked questions

Is DR. NATHAN M. UNTERSEHER (D.C.) listed with a National Provider Identifier?
Yes — DR. NATHAN M. UNTERSEHER (D.C.) has NPI 1689647075 on file in the registry.
Is DR. NATHAN M. UNTERSEHER (D.C.) still an active registrant?
DR. NATHAN M. UNTERSEHER (D.C.) carries an active NPI according to the public dataset.
What area of care is associated with DR. NATHAN M. UNTERSEHER (D.C.)?
DR. NATHAN M. UNTERSEHER (D.C.)'s record emphasizes Chiropractor. Clinical services aligned with this taxonomy classification.
What locale is associated with DR. NATHAN M. UNTERSEHER (D.C.)?
Directory geography for DR. NATHAN M. UNTERSEHER (D.C.) centers on Seymour, Indiana.
What does 2 location(s) imply?
2 practice locations appear in the available data.

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