Janet G. Hertzler, FNP
Family Nurse Practitioner · Westfield, IN
Janet G. Hertzler, FNP is a family nurse practitioner with a practice address in Westfield, Indiana, and NPI 1891723409, issued on Jun 30, 2006. Check the license (Indiana 28053947A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Janet G. Hertzler
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 28053947A IN
Self-reported in NPPES; status is on the state search - Practice location
- 420 Sycamore St, Westfield, IN 46074
- Phone
- (317) 867-2927
- Enumerated
- Jun 30, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (317) 867-2927
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,867 in Indiana → Look up another NPI →
Verify Janet G. Hertzler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 28053947ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average family nurse practitioner in 2024
294 Medicare Part D claims, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Lisinopril43 claims
- Divalproex Sodium28 claims
- Donepezil Hcl20 claims
- Phenytoin Sodium Extended16 claims
- Finasteride14 claims
- Tamsulosin Hcl14 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.
Janet G. Hertzler among 5,867 family nurse practitioner records in Indiana
Janet G. Hertzler, FNP is one of 5,867 family nurse practitioner records with a practice address in Indiana. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 92% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2007 · 33% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 family nurse practitioner records list a practice address in Westfield
They are 23 of the 676 NPPES records with a practice address in Westfield, and 5,867 family nurse practitioner records in Indiana.
All 5,867 in Indiana → Every provider in Westfield → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Ashley Asher, RN, BS, NP-CWestfield, IN 460741396273967
- Katelyn Boone, NP-CWestfield, IN 460741881357168
- Courtney Boswell, FNPWestfield, IN 460741730650581
- Kimberly Hatchett, NPWestfield, IN 460741871551838
- Jessica Larrison, NPWestfield, IN 460741336892587
- Hannah McConkey, NPWestfield, IN 460741457873945
- Diana MesehaCarmel, IN 460741992582332
- Kristin Predajna, FNP-CWestfield, IN 460741780434324
Common questions
What is Janet G. Hertzler, FNP's NPI number?
Janet G. Hertzler, FNP's National Provider Identifier (NPI) is 1891723409, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Janet G. Hertzler, FNP located?
The NPPES record lists a practice address at 420 Sycamore St, Westfield, IN, 46074. Phone: (317) 867-2927. Providers update this record themselves, so call before visiting.
How can I verify Janet G. Hertzler, FNP's license?
NPPES lists Indiana license number 28053947A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
How much does Janet G. Hertzler, FNP prescribe under Medicare Part D?
In 2024, Janet G. Hertzler, FNP had 294 Medicare Part D claims; the average among family nurse practitioner prescribers was 1,305. 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.