Doctor profile · Federal record

Dr. Matthew Richardson, D.C.

Chiropractor (CMS: Chiropractic) · Valley Springs, CA

  • NPI 1912028812
  • 27 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 4 locations .

NPPES Updated May 11, 2026
Primary practice
55 S Highway 26 Ste 1
Valley Springs, CA 952528422
(209) 772-8921
Additional location
1113 Highway 49
San Andreas, CA 95249
(209) 755-1400
Additional location
13975 Mono Way Ste G
Sonora, CA 953702824
(209) 533-9600
Show 1 more location
Additional location
305 Preston Ave
Ione, CA 956409158
(209) 674-6182
Mailing address
Po Box 441
Angels Camp, CA 952220441

Credentials & registration

NPPES · NUCC
NPI registered
April 2007 — 19 yrs on file
Profile last updated
October 6, 2022
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
California #DC 26478

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912028812. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
559
Distinct HCPCS
2
Medicare allowed
$21,037
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 500 68 $39
98940 Chiropractic manipulative treatment, 1-2 spinal regions 59 11 $27

In context: peer comparison

Among 1 peers in Valley Springs Chiropractor, average services per provider: 279. This provider delivers 2.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$27
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Novo Nordisk INC 1 $27.40

By nature of payment

Food and Beverage
$27

Frequently asked questions

Auto-generated from federal data
What is Dr. Matthew Richardson's medical specialty?
Dr. Matthew Richardson practices Chiropractor in Valley Springs, CA.
Where does Dr. Matthew Richardson practice?
Dr. Matthew Richardson practices at 55 S Highway 26 Ste 1, Valley Springs, CA 952528422. Office phone: 2097728921.
What is Dr. Matthew Richardson's NPI?
Dr. Matthew Richardson's National Provider Identifier (NPI) is 1912028812, issued by NPPES.
Does Dr. Matthew Richardson accept Medicare assignment?
Dr. Matthew Richardson does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Matthew Richardson 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.