Hillary S. Kroll
Obstetrics & Gynecology Physician · Saint Louis, MO
Hillary S. Kroll is an obstetrics & gynecology physician with a practice address in Saint Louis, Missouri, and NPI 1073262689, issued on Mar 21, 2022. Check the license (Missouri 2026001069, as entered in NPPES) on the Missouri Board of Registration for the Healing Arts; the Medicare figures below come from public CMS files.
- Name
- Hillary S. Kroll
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 2026001069 MO
Self-reported in NPPES; status is on the state search - Practice location
- 1031 Bellevue Ave, Saint Louis, MO 63117
- Phone
- (314) 617-2000
- Enumerated
- Mar 21, 2022
- Record last updated
- May 7, 2026
- Medicare enrollment
- Enrolled (PECOS I20260521000387); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 902 in Missouri → Look up another NPI →
Also registered at 1031 Bellevue Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laura Anderson, WHNPWomen's Health Nurse Practitioner1457903346
- Emily Basarabescu, PAPhysician Assistant1043507528
- Robert Blaskiewicz, M.D.Obstetrics & Gynecology Physician1407880081
- Rosemary Catanzaro, RD, MS, CDE, LDRegistered Dietitian1194883231
- Andy Chen, MDObstetrics & Gynecology Physician1841870847
- Karen Crider, MSN, WHNP-BCWomen's Health Nurse Practitioner1336673458
Verify Hillary S. Kroll in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMissouri Board of Registration for the Healing Arts
Search for license 2026001069Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
18 Medicare Part D claims for 12 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
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.
Hillary S. Kroll among 902 obstetrics & gynecology physician records in Missouri
Hillary S. Kroll is one of 902 obstetrics & gynecology physician records with a practice address in Missouri. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 90% of them.
- NPI issued2022 · 90% of these records are older, 8% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2022 · median 2007 among the 528 with a school on file
- Record last updated2026 · 55% 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 Missouri practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
332 obstetrics & gynecology physician records list a practice address in Saint Louis
They are 332 of the 27,605 NPPES records with a practice address in Saint Louis, and 902 obstetrics & gynecology physician records in Missouri.
All 902 in Missouri → Every provider in Saint Louis → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Amy Bilyeu, MDSaint Louis, MO 631171316238041
- Robert Blaskiewicz, M.D.Saint Louis, MO 631171407880081
- Mary Holloran-Schwartz, M.D.Saint Louis, MO 631171184655474
- Cherie Lefevre, M.D.Saint Louis, MO 631171205867728
- Becky Lynn, MDSaint Louis, MO 631171326003559
- Leslie McCloskey, M.D.Saint Louis, MO 631171609800234
- Kelly Ott, M.D.Saint Louis, MO 631171275734261
- Jill Powell, M.D.Saint Louis, MO 631171932134053
Common questions
What is Hillary S. Kroll's NPI number?
Hillary S. Kroll's National Provider Identifier (NPI) is 1073262689, issued on Mar 21, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Hillary S. Kroll located?
The NPPES record lists a practice address at 1031 Bellevue Ave, Saint Louis, MO, 63117. Phone: (314) 617-2000. Providers update this record themselves, so call before visiting.
How can I verify Hillary S. Kroll's license?
NPPES lists Missouri license number 2026001069, as entered by the provider. Search the Missouri Board of Registration for the Healing Arts at https://www.fsmb.org/contact-a-state-medical-board/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Hillary S. Kroll prescribe under Medicare Part D?
In 2024, Hillary S. Kroll had 18 Medicare Part D claims for 12 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.