Doctor profile · Federal record

Dr. Ronald Hammer, D.C.

Chiropractor · Petaluma, CA

  • NPI 1972517449
  • 20 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
709 Petaluma Blvd N, Suite 1
Petaluma, CA 949522106
(707) 763-0564
fax (707) 763-8982

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Specialty taxonomy
111N00000X — NUCC code
State license (1)
California #117400

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1972517449. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
552
Distinct HCPCS
2
Medicare allowed
$22,144
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 418 57 $43
98940 Chiropractic manipulative treatment, 1-2 spinal regions 134 46 $30

In context: peer comparison

Among 2 peers in this city , average services per provider: 368. This provider delivers 1.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Ronald Hammer's medical specialty?
Dr. Ronald Hammer practices Chiropractor in Petaluma, CA.
Where does Dr. Ronald Hammer practice?
Dr. Ronald Hammer practices at 709 Petaluma Blvd N, Petaluma, CA 949522106. Office phone: 7077630564.
What is Dr. Ronald Hammer's NPI?
Dr. Ronald Hammer's National Provider Identifier (NPI) is 1972517449, issued by NPPES.
What procedures does Dr. Ronald Hammer 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.