Doctor profile · Federal record

Dr. Mark van Hemert, DC

Chiropractor (CMS: Chiropractic) · Hoquiam, WA

  • NPI 1215941034
  • Accepts Medicare
  • 49 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
320 23Rd St
Hoquiam, WA 985502712
(360) 533-6400
fax (360) 533-6465

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
November 16, 2011
Year of graduation
1977 — 49 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
Washington #1332

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1215941034. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,209
Distinct HCPCS
3
Medicare allowed
$47,935
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 1,059 99 $40
98940 Chiropractic manipulative treatment, 1-2 spinal regions 84 24 $28
98942 Chiropractic manipulative treatment, 5 spinal regions 66 31 $52

In context: peer comparison

Among 2 peers in Hoquiam Chiropractor, average services per provider: 418. This provider delivers 2.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark van Hemert's medical specialty?
Dr. Mark van Hemert practices Chiropractor in Hoquiam, WA.
Where does Dr. Mark van Hemert practice?
Dr. Mark van Hemert practices at 320 23Rd St, Hoquiam, WA 985502712. Office phone: 3605336400.
What is Dr. Mark van Hemert's NPI?
Dr. Mark van Hemert's National Provider Identifier (NPI) is 1215941034, issued by NPPES.
Does Dr. Mark van Hemert accept Medicare assignment?
Yes. Dr. Mark van Hemert accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark van Hemert 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); Chiropractic manipulative treatment, 5 spinal regions (HCPCS 98942). Source: CMS Medicare Physician & Other Practitioners file.