Doctor profile · Federal record

Dr. Robert Woodhall, D.C.

Chiropractor (CMS: Chiropractic) · Grass Valley, CA

  • NPI 1417266917
  • 33 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
227 Colfax Ave
Grass Valley, CA 959456843
(530) 273-7988
fax (530) 273-7993
Mailing address
13002 Chances R RD
Penn Valley, CA 959469435

Credentials & registration

NPPES · NUCC
NPI registered
September 2010 — 16 yrs on file
Profile last updated
July 22, 2015
Year of graduation
1993 — 33 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
California #DC23143

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417266917. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
664
Distinct HCPCS
2
Medicare allowed
$23,827
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 496 76 $39
98940 Chiropractic manipulative treatment, 1-2 spinal regions 168 46 $27

In context: peer comparison

Among 8 peers in Grass Valley Chiropractor, average services per provider: 527. This provider delivers 1.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Robert Woodhall's medical specialty?
Dr. Robert Woodhall practices Chiropractor in Grass Valley, CA.
Where does Dr. Robert Woodhall practice?
Dr. Robert Woodhall practices at 227 Colfax Ave, Grass Valley, CA 959456843. Office phone: 5302737988.
What is Dr. Robert Woodhall's NPI?
Dr. Robert Woodhall's National Provider Identifier (NPI) is 1417266917, issued by NPPES.
Does Dr. Robert Woodhall accept Medicare assignment?
Dr. Robert Woodhall does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Robert Woodhall 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.