Karen S. Hummel, MSN, FNP-BC
Family Nurse Practitioner · Greenfield, IN
Karen S. Hummel, MSN, FNP-BC is a family nurse practitioner with a practice address in Greenfield, Indiana, and NPI 1093982944, issued on May 9, 2008. Check the license (Indiana 71000188A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Karen S. Hummel
- Credential
- MSN, FNP-BC
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 71000188A IN
Self-reported in NPPES; status is on the state search - Practice location
- 124 W Muskegon Dr, Greenfield, IN 46140
- Phone
- (317) 468-4357
- Enumerated
- May 9, 2008
- Record last updated
- May 21, 2013 (not updated in 13 years: call before relying on the address or phone)
- Fax
- (317) 468-4580
- Medicare enrollment
- Enrolled (PECOS I20041113000242); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,867 in Indiana → Look up another NPI →
Also registered at 124 W Muskegon Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Margaret AndonianFamily Nurse Practitioner1679296859
- Michele Ferrell, FNPFamily Nurse Practitioner1649532326
- Heather Guthrie, N.P.Family Nurse Practitioner1568134971
- Christine InmanFamily Nurse Practitioner1972052108
Verify Karen S. Hummel in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 71000188ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average family nurse practitioner in 2024
231 Medicare Part D claims for 164 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone33 claims
- Cephalexin29 claims
- Albuterol Sulfate Hfa21 claims
- Amoxicillin-Clavulanate Potass13 claims
- Nitrofurantoin Mono-Macro12 claims
- Amoxicillin11 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.
Industry payments in 2024: $106.93
2 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 99,489 providers of this specialty with any payment received $650.95 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 2 group practices
- Hancock Health Gateway Services IncGreenfield, IN
- Hancock Physician Network LLCGreenfield, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Karen S. Hummel among 5,867 family nurse practitioner records in Indiana
Karen S. Hummel, MSN, FNP-BC 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 2008, is newer than 11% of them.
- NPI issued2008 · 11% of these records are older, 87% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1993 · median 2018 among the 3,953 with a school on file
- Record last updated2013 · 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).
26 family nurse practitioner records list a practice address in Greenfield
They are 26 of the 593 NPPES records with a practice address in Greenfield, and 5,867 family nurse practitioner records in Indiana.
All 5,867 in Indiana → Every provider in Greenfield → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Megan BradshawGreenfield, IN 461401376901405
- Tracy DlaminiGreenfield, IN 461401548331135
- Michele Ferrell, FNPGreenfield, IN 461401649532326
- Ashleigh Guenin, N.P.Greenfield, IN 461401568754000
- Christine InmanGreenfield, IN 461401972052108
- Chelsea Isaac, FNPGreenfield, IN 461401194188961
- Caitlin Keesler, MSN, APRN, FNP-CGreenfield, IN 461401063959286
- Claire Lubbers, F.N.P, R.N.Greenfield, IN 461401255794178
Common questions
What is Karen S. Hummel, MSN, FNP-BC's NPI number?
Karen S. Hummel, MSN, FNP-BC's National Provider Identifier (NPI) is 1093982944, issued on May 9, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Karen S. Hummel, MSN, FNP-BC located?
The NPPES record lists a practice address at 124 W Muskegon Dr, Greenfield, IN, 46140. Phone: (317) 468-4357. Providers update this record themselves, so call before visiting.
How can I verify Karen S. Hummel, MSN, FNP-BC's license?
NPPES lists Indiana license number 71000188A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
How much does Karen S. Hummel, MSN, FNP-BC prescribe under Medicare Part D?
In 2024, Karen S. Hummel, MSN, FNP-BC had 231 Medicare Part D claims for 164 beneficiaries; 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.