Patrick Lloyd Davis, DO
Obstetrics & Gynecology Physician · St Charles, IL
Patrick Lloyd Davis, DO is an obstetrics & gynecology physician with a practice address in St Charles, Illinois, and NPI 1942739396, issued on Jun 8, 2017. Check the license (Illinois 036.156232, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Patrick Lloyd Davis
- Credential
- DO
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 036.156232 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3310 W Main St Ste 200, St Charles, IL 60175
- Phone
- (630) 897-6044
- Enumerated
- Jun 8, 2017
- Record last updated
- Nov 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (630) 897-0180
- Medicare enrollment
- Enrolled (PECOS I20210805003022); accepts Medicare assignment
- Medical or professional school
- Chicago College Of Osteopathy, 2017
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 2,062 in Illinois → Look up another NPI →
Also registered at 3310 W Main St Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Mathew, D.O.Pediatrics Physician1164802419
- Nilam Patel, MDPediatrics Physician1104113091
- Nashira Sey, M.D.Obstetrics & Gynecology Physician1831498377
Verify Patrick Lloyd Davis in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036.156232Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
40 Medicare Part D claims for 23 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Advocate Health And Hospitals CorporationMount Prospect, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Patrick Lloyd Davis among 2,062 obstetrics & gynecology physician records in Illinois
Patrick Lloyd Davis, DO is one of 2,062 obstetrics & gynecology physician records with a practice address in Illinois. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 76% of them.
- NPI issued2017 · 76% of these records are older, 21% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated2017 · median 2006 among the 1,168 with a school on file
- Record last updated2021 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Illinois
There are 2,062 obstetrics & gynecology physician records in Illinois.
All 2,062 in Illinois → Every provider in St Charles → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Leticia Gonzalez, M.D.St Charles, IL 601751356313720
- Kim Harmon, M.D.St Charles, IL 601751932188299
- Teresa Homan, MDSt Charles, IL 601751073512596
- Daniel Lee, MDSt Charles, IL 601751588751135
- Jennifer Lew, MDSt Charles, IL 601751811084452
- Edward Newman, D.O.St Charles, IL 601751053304741
- Stewart Odell, MDSt Charles, IL 601751407943053
- Nashira Sey, M.D.St Charles, IL 601751831498377
Common questions
What is Patrick Lloyd Davis, DO's NPI number?
Patrick Lloyd Davis, DO's National Provider Identifier (NPI) is 1942739396, issued on Jun 8, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Patrick Lloyd Davis, DO located?
The NPPES record lists a practice address at 3310 W Main St Ste 200, St Charles, IL, 60175. Phone: (630) 897-6044. Providers update this record themselves, so call before visiting.
How can I verify Patrick Lloyd Davis, DO's license?
NPPES lists Illinois license number 036.156232, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Patrick Lloyd Davis, DO prescribe under Medicare Part D?
In 2024, Patrick Lloyd Davis, DO had 40 Medicare Part D claims for 23 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.