Doctor profile · Federal record

Dr. David Diehl, D.C.

Chiropractor (CMS: Chiropractic) · Westlake Village, CA

  • NPI 1598857575
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2900 Townsgate RD, Suite 212
Westlake Village, CA 913613001
(805) 496-1000
fax (805) 496-1011
Mailing address
2900 Townsgate Road, Suite 212
Westlake Village, CA 913615888

Credentials & registration

NPPES · NUCC
NPI registered
September 2006 — 20 yrs on file
Profile last updated
September 14, 2011
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
California #DC25686
Medicaid
IA #0453977

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598857575. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
641
Distinct HCPCS
1
Medicare allowed
$25,999
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 641 43 $41

In context: peer comparison

Among 9 peers in Westlake Village Chiropractor, average services per provider: 431. This provider delivers 1.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. David Diehl's medical specialty?
Dr. David Diehl practices Chiropractor in Westlake Village, CA.
Where does Dr. David Diehl practice?
Dr. David Diehl practices at 2900 Townsgate RD, Westlake Village, CA 913613001. Office phone: 8054961000.
What is Dr. David Diehl's NPI?
Dr. David Diehl's National Provider Identifier (NPI) is 1598857575, issued by NPPES.
Does Dr. David Diehl accept Medicare assignment?
Dr. David Diehl does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. David Diehl commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.