Doctor profile · Federal record

Dr. Diana Fenstermacher Ritchie

Chiropractor · Eureka, CA

  • NPI 1790443109
  • 5 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1775 Harrison Ave
Eureka, CA 955011338
(707) 445-8080

Credentials & registration

NPPES · NUCC
NPI registered
December 2021 — 5 yrs on file
Specialty taxonomy
111N00000X — NUCC code
State license (1)
California #36096

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1790443109. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
453
Distinct HCPCS
2
Medicare allowed
$16,213
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 264 46 $41
98940 Chiropractic manipulative treatment, 1-2 spinal regions 189 42 $29

In context: peer comparison

Among 3 peers in this city , average services per provider: 357. This provider delivers 1.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Diana Fenstermacher Ritchie's medical specialty?
Dr. Diana Fenstermacher Ritchie practices Chiropractor in Eureka, CA.
Where does Dr. Diana Fenstermacher Ritchie practice?
Dr. Diana Fenstermacher Ritchie practices at 1775 Harrison Ave, Eureka, CA 955011338. Office phone: 7074458080.
What is Dr. Diana Fenstermacher Ritchie's NPI?
Dr. Diana Fenstermacher Ritchie's National Provider Identifier (NPI) is 1790443109, issued by NPPES.
What procedures does Dr. Diana Fenstermacher Ritchie commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941); Chiropractic manipulative treatment, 1-2 spinal regions (HCPCS 98940). Source: CMS Medicare Physician & Other Practitioners file.