Doctor profile · Federal record

Dr. Mary Dejarnatt, D.C,

Chiropractor (CMS: Chiropractic) · Williamsburg, IA

  • NPI 1689989766
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
513 Court Street
Williamsburg, IA 523616407
(319) 668-8196
fax (319) 832-0888
Mailing address
Po Box 32, 513 Court Street
Williamsburg, IA 523166407

Credentials & registration

NPPES · NUCC
NPI registered
August 2010 — 16 yrs on file
Profile last updated
August 11, 2016
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
Iowa #007280

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689989766. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
913
Distinct HCPCS
1
Medicare allowed
$34,542
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 913 95 $38

In context: peer comparison

Among 2 peers in this city , average services per provider: 490. This provider delivers 1.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Dejarnatt's medical specialty?
Dr. Mary Dejarnatt practices Chiropractor in Williamsburg, IA.
Where does Dr. Mary Dejarnatt practice?
Dr. Mary Dejarnatt practices at 513 Court Street, Williamsburg, IA 523616407. Office phone: 3196688196.
What is Dr. Mary Dejarnatt's NPI?
Dr. Mary Dejarnatt's National Provider Identifier (NPI) is 1689989766, issued by NPPES.
Does Dr. Mary Dejarnatt accept Medicare assignment?
Yes. Dr. Mary Dejarnatt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Dejarnatt commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.