Chelsea Isaac, FNP
Family Nurse Practitioner · Greenfield, IN
Chelsea Isaac, FNP is a family nurse practitioner with a practice address in Greenfield, Indiana, and NPI 1194188961, issued on Mar 30, 2016. Check the license (Indiana 71006181A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chelsea Isaac
- Credential
- FNP
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 71006181A IN
28190961A IN
Self-reported in NPPES; status is on the state search - Practice location
- 1107 N State St, Greenfield, IN 46140
- Phone
- (317) 477-5263
- Enumerated
- Mar 30, 2016
- Record last updated
- May 1, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (317) 477-6750
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,867 in Indiana → Look up another NPI →
Also registered at 1107 N State St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Chelsea Isaac in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 71006181ACheck 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
236 Medicare Part D claims for 73 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
Most prescribed
- Atorvastatin Calcium40 claims
- Albuterol Sulfate Hfa15 claims
- Lisinopril12 claims
- Metformin Hcl11 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: $32.88
2 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. 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.
Chelsea Isaac among 5,867 family nurse practitioner records in Indiana
Chelsea Isaac, 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 2016, is newer than 33% of them.
- NPI issued2016 · 33% of these records are older, 61% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2016 · 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
- Karen Hummel, MSN, FNP-BCGreenfield, IN 461401093982944
- Christine InmanGreenfield, IN 461401972052108
- Caitlin Keesler, MSN, APRN, FNP-CGreenfield, IN 461401063959286
- Claire Lubbers, F.N.P, R.N.Greenfield, IN 461401255794178
Common questions
What is Chelsea Isaac, FNP's NPI number?
Chelsea Isaac, FNP's National Provider Identifier (NPI) is 1194188961, issued on Mar 30, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Chelsea Isaac, FNP located?
The NPPES record lists a practice address at 1107 N State St, Greenfield, IN, 46140. Phone: (317) 477-5263. Providers update this record themselves, so call before visiting.
How can I verify Chelsea Isaac, FNP's license?
NPPES lists Indiana license number 71006181A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.
How much does Chelsea Isaac, FNP prescribe under Medicare Part D?
In 2024, Chelsea Isaac, FNP had 236 Medicare Part D claims for 73 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.