Mary Tjarks, M.D.
NPI 1255369641 · Obstetrics & Gynecology Physician · Moline, IL
Mary Tjarks, M.D. is a Obstetrics & Gynecology Physician provider in Moline, IL (NPI 1255369641).
Provider details
- NPI number
- 1255369641
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 5086 (SD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-06-28
- Last updated
- 2011-01-04
Frequently asked questions
- What is Mary Tjarks's NPI number?
- Mary Tjarks's National Provider Identifier (NPI) is 1255369641, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Tjarks's specialty?
- Mary Tjarks is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Tjarks located?
- Mary Tjarks's practice location on file with NPPES is 600 John Deere Road, Suite 200, Moline, IL 61265-6897.
- What is Mary Tjarks's phone number?
- The practice phone number listed in the NPPES registry for Mary Tjarks is (309) 779-4230.
- Is Mary Tjarks's NPI active?
- Yes — Mary Tjarks's NPI (1255369641) is active in the NPPES registry as of the last update on 2011-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.