Dyan Hahn, WHNP
Women's Health Nurse Practitioner · Indianapolis, IN
Dyan Hahn, WHNP is a women's health nurse practitioner with a practice address in Indianapolis, Indiana, and NPI 1811605421, issued on Nov 11, 2022. Check the license (Indiana 28221511A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Dyan Hahn
- Credential
- WHNP
- Primary taxonomy
- Women's Health Nurse Practitioner 363LW0102X
- License number
- 28221511A IN
Self-reported in NPPES; status is on the state search - Practice location
- 2855 N Keystone Ave Ste 100, Indianapolis, IN 46218
- Phone
- (317) 957-2300
- Enumerated
- Nov 11, 2022
- Record last updated
- Nov 11, 2022
- Entity
- Type 1 · individual
8 nearest women's health nurse practitioner records → All 229 in Indiana → Look up another NPI →
Also registered at 2855 N Keystone Ave Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Dyan Hahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 28221511ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average women's health nurse practitioner in 2024
37 Medicare Part D claims for 19 beneficiaries, against an average of 217 among the 3,809 providers of this specialty who prescribed in Part D.
Most prescribed
- Desogestr-Eth Estrad Eth Estra11 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.
Dyan Hahn among 229 women's health nurse practitioner records in Indiana
Dyan Hahn, WHNP is one of 229 women's health nurse practitioner records with a practice address in Indiana. 61% 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 86% of them.
- NPI issued2022 · 86% of these records are older, 10% newer
- In a Medicare fileYes · 61% of these records are
- In the CMS Doctors and Clinicians fileNo · 49% of these records are
- Record last updated2022 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LW0102X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Women's Health Nurse Practitioner providers in Indiana
There are 229 women's health nurse practitioner records in Indiana.
All 229 in Indiana → Every provider in Indianapolis → Women's Health Nurse Practitioner nationwide →
The 8 women's health nurse practitioner records with the nearest ZIP codes
- Natalie DajaniIndianapolis, IN 462211932909363
- Tara Flanagan, WHNP-BCIndianapolis, IN 462141265077572
- Hailey Payne, NPIndianapolis, IN 462221568941169
- Charlotte Gangwer, RN, NPIndianapolis, IN 462261568688851
- Amber Rivers, WHNPIndianapolis, IN 462261487183182
- Rebecca Arterburn, RNC, WHNPIndianapolis, IN 462271548589393
- Jennifer Condon, WHNP-BCIndianapolis, IN 462271205287075
- Marlena Gainey, RNC-OB,WHNP-BCIndianapolis, IN 462271447554779
Common questions
What is Dyan Hahn, WHNP's NPI number?
Dyan Hahn, WHNP's National Provider Identifier (NPI) is 1811605421, issued on Nov 11, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Dyan Hahn, WHNP located?
The NPPES record lists a practice address at 2855 N Keystone Ave Ste 100, Indianapolis, IN, 46218. Phone: (317) 957-2300. Providers update this record themselves, so call before visiting.
How can I verify Dyan Hahn, WHNP's license?
NPPES lists Indiana license number 28221511A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
How much does Dyan Hahn, WHNP prescribe under Medicare Part D?
In 2024, Dyan Hahn, WHNP had 37 Medicare Part D claims for 19 beneficiaries; the average among women's health nurse practitioner prescribers was 217. 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.