What is Jan Bowman-Marsh's NPI number?

Jan Bowman-Marsh's National Provider Identifier (NPI) is 1992766190, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Jan Bowman-Marsh's specialty?

Jan Bowman-Marsh is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Jan Bowman-Marsh located?

Jan Bowman-Marsh's practice location on file with NPPES is 3333 W Deyoung St, Marion, IL 62959-5884.

What is Jan Bowman-Marsh's phone number?

The practice phone number listed in the NPPES registry for Jan Bowman-Marsh is (618) 998-7492.

Does Jan Bowman-Marsh accept Medicare?

Jan Bowman-Marsh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Jan Bowman-Marsh's NPI active?

Yes — Jan Bowman-Marsh's NPI (1992766190) is active in the NPPES registry as of the last update on 2008-05-28.

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Jan Bowman-Marsh, MD

NPI 1992766190 · Family Medicine Physician · Marion, IL

Jan Bowman-Marsh, MD is a Family Medicine Physician provider in Marion, IL (NPI 1992766190).

Provider details

NPI number: 1992766190
Entity type: Individual
Primary specialty: Family Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Female
Sole proprietor: No
License: 036076429 (IL)

Practice location

3333 W Deyoung St

Marion, IL 62959-5884

Phone: (618) 998-7492

Fax: (618) 998-7493

Street-level locationGet directions

More IL providers

Mailing address

Po Box 708850

Sandy, UT 84070-8850

Specialties & taxonomies

Family Medicine PhysicianPrimary207Q00000XLicense 036076429 (IL)
Allopathic & Osteopathic Physicians

Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Profile Score

Detailed profile(91/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
20 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.

Enumerated: 2006-03-29
Last updated: 2008-05-28

Frequently asked questions

What is Jan Bowman-Marsh's NPI number?: Jan Bowman-Marsh's National Provider Identifier (NPI) is 1992766190, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Jan Bowman-Marsh's specialty?: Jan Bowman-Marsh is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
Where is Jan Bowman-Marsh located?: Jan Bowman-Marsh's practice location on file with NPPES is 3333 W Deyoung St, Marion, IL 62959-5884.
What is Jan Bowman-Marsh's phone number?: The practice phone number listed in the NPPES registry for Jan Bowman-Marsh is (618) 998-7492.
Does Jan Bowman-Marsh accept Medicare?: Jan Bowman-Marsh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Jan Bowman-Marsh's NPI active?: Yes — Jan Bowman-Marsh's NPI (1992766190) is active in the NPPES registry as of the last update on 2008-05-28.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions