Ronald Harmon, M.D.
NPI 1639271273 · Pain Medicine (Anesthesiology) Physician · St Charles, IL
Ronald Harmon, M.D. is a Pain Medicine (Anesthesiology) Physician provider in St Charles, IL (NPI 1639271273).
Provider details
- NPI number
- 1639271273
- Entity type
- Individual
- Primary specialty
- Pain Medicine (Anesthesiology) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036-115112 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-03
- Last updated
- 2009-02-16
Frequently asked questions
- What is Ronald Harmon's NPI number?
- Ronald Harmon's National Provider Identifier (NPI) is 1639271273, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ronald Harmon's specialty?
- Ronald Harmon is listed in the NPPES registry with a primary specialty of Pain Medicine (Anesthesiology) Physician (Allopathic & Osteopathic Physicians).
- Where is Ronald Harmon located?
- Ronald Harmon's practice location on file with NPPES is 2210 Dean St, St Charles, IL 60175-1066.
- What is Ronald Harmon's phone number?
- The practice phone number listed in the NPPES registry for Ronald Harmon is (630) 584-9800.
- Is Ronald Harmon's NPI active?
- Yes — Ronald Harmon's NPI (1639271273) is active in the NPPES registry as of the last update on 2009-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.