Kathryn Michelle Drennan, WHNP
Women's Health Nurse Practitioner · Saint Louis, MO
Kathryn Michelle Drennan, WHNP is a women's health nurse practitioner with a practice address in Saint Louis, Missouri, and NPI 1760066112, issued on May 11, 2021. Check the license (Missouri 2021013599, as entered in NPPES) with the Missouri board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Kathryn Michelle Drennan
- Credential
- WHNP
- Primary taxonomy
- Women's Health Nurse Practitioner 363LW0102X
- License number
- 2021013599 MO
Self-reported in NPPES; status is on the state search - Practice location
- 4901 Forest Park Ave, Saint Louis, MO 63108
- Phone
- (314) 362-4211
- Enumerated
- May 11, 2021
- Record last updated
- Apr 17, 2025
- Fax
- (888) 315-6494
- Medicaid ID
- 420096931 MO
- Medicare enrollment
- Enrolled (PECOS I20210707001095); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 4901 Forest Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eva Aagaard, MDGeneral Practice Physician1144286097
- Ashley Ahlbrand, ODOptometrist1215669007
- Muhammad Nabeel Akbar, MDNeuro-ophthalmology Physician1780204149
- Ashley Altman, FNPNurse Practitioner1457882417
- Kelly Amerson, WHNPWomen's Health Nurse Practitioner1205993169
- Milan Anadkat, MDDermatology Physician1639267149
Verify Kathryn Michelle Drennan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Missouri board licenses this profession
Search for license 2021013599Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average women's health nurse practitioner in 2024
31 Medicare Part D claims for 18 beneficiaries, against an average of 217 among the 3,809 providers of this specialty who prescribed in Part D.
Most prescribed
- Valacyclovir11 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 79.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $156.16
8 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 3,574 providers of this specialty with any payment received $426.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Washington UniversitySaint Louis, MO
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Women's Health Nurse Practitioner providers in Missouri
There are 305 women's health nurse practitioner records in Missouri.
Other women's health nurse practitioner records in Missouri
- Lindsey AckersonKansas City, MO1669016424
- Sue Adrian, NPBlue Springs, MO1922059484
- Cathleen Albers, WHNPSaint Louis, MO1750334785
- Andrea Allen, WHNP-CKansas City, MO1235477522
- Michelle Allen, N.P.Hannibal, MO1902907561
- Katelyn Amann, WHNP-BCSaint Louis, MO1346043767
- Kelly Amerson, WHNPSaint Louis, MO1205993169
- Laura Anderson, WHNPSaint Louis, MO1457903346
- Eriola ArapiSaint Louis, MO1194683763
- Rebecca Arth, WHNP, FNPKansas City, MO1407130172
Common questions
What is Kathryn Michelle Drennan, WHNP's NPI number?
Kathryn Michelle Drennan, WHNP's National Provider Identifier (NPI) is 1760066112, issued on May 11, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Kathryn Michelle Drennan, WHNP located?
The NPPES record lists a practice address at 4901 Forest Park Ave, Saint Louis, MO, 63108. Phone: (314) 362-4211. Providers update this record themselves, so call before visiting.
How can I verify Kathryn Michelle Drennan, WHNP's license?
NPPES lists Missouri license number 2021013599, as entered by the provider. Search the Missouri board that licenses this profession; the NPPES record confirms identity only.
How much does Kathryn Michelle Drennan, WHNP prescribe under Medicare Part D?
In 2024, Kathryn Michelle Drennan, WHNP had 31 Medicare Part D claims for 18 beneficiaries; the average among women's health nurse practitioner prescribers was 217. Part D covers Medicare prescriptions only.
What is Kathryn Michelle Drennan, WHNP's MIPS final score?
The 2023 MIPS final score is 79.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.