Jon Jacobson, D.O.
NPI 1780753822 · Occupational Medicine Physician · O Fallon, IL
Enrolled with Medicare as Practitioner - Preventive Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jon Jacobson, D.O. is a Occupational Medicine Physician provider in O Fallon, IL (NPI 1780753822).
Provider details
- NPI number
- 1780753822
- Entity type
- Individual
- Primary specialty
- Occupational Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 036149530 (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
- 2006-11-06
- Last updated
- 2021-12-30
- Certified
- 2021-12-30
Frequently asked questions
- What is Jon Jacobson's NPI number?
- Jon Jacobson's National Provider Identifier (NPI) is 1780753822, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jon Jacobson's specialty?
- Jon Jacobson is listed in the NPPES registry with a primary specialty of Occupational Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jon Jacobson located?
- Jon Jacobson's practice location on file with NPPES is 1512 N Green Mount Rd, O Fallon, IL 62269-2083.
- What is Jon Jacobson's phone number?
- The practice phone number listed in the NPPES registry for Jon Jacobson is (618) 628-8440.
- Does Jon Jacobson accept Medicare?
- Jon Jacobson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jon Jacobson's NPI active?
- Yes — Jon Jacobson's NPI (1780753822) is active in the NPPES registry as of the last update on 2021-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.