Ronald Hammer, D.C.
NPI 1972517449 · Chiropractor · Petaluma, CA
Ronald Hammer, D.C. is a Chiropractor provider in Petaluma, CA (NPI 1972517449).
Provider details
- NPI number
- 1972517449
- Entity type
- Individual
- Primary specialty
- ChiropractorChiropractic Providers
- Credential
- D.C.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 117400 (CA)
Specialties & taxonomies
Chiropractic Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
223 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Chiropractic Manipulative Treatment, 3-4 Spinal Regions98941 | 175 | $43 |
| Chiropractic Manipulative Treatment, 1-2 Spinal Regions98940 | 48 | $30 |
Typical Medicare-allowed amounts for these services range $30–$43 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ronald Hammer's NPI number?
- Ronald Hammer's National Provider Identifier (NPI) is 1972517449, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Hammer's specialty?
- Ronald Hammer is listed in the NPPES registry with a primary specialty of Chiropractor (Chiropractic Providers).
- Where is Ronald Hammer located?
- Ronald Hammer's practice location on file with NPPES is 709 Petaluma Blvd N, Petaluma, CA 94952-2106.
- What is Ronald Hammer's phone number?
- The practice phone number listed in the NPPES registry for Ronald Hammer is (707) 763-0564.
- Is Ronald Hammer's NPI active?
- Yes — Ronald Hammer's NPI (1972517449) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.