Mary Margaret Gregory, FNP-C
Family Nurse Practitioner · Evansville, IN
Mary Margaret Gregory, FNP-C is a family nurse practitioner with a practice address in Evansville, Indiana, and NPI 1437254661, issued on Sep 13, 2006. Check the license (Indiana 71000491A, as entered in NPPES) with the Indiana board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Mary Margaret Gregory
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 71000491A IN
Self-reported in NPPES; status is on the state search - Practice location
- 1750 Oak Hill RD, Evansville, IN 47711
- Phone
- (812) 485-2580
- Enumerated
- Sep 13, 2006
- Record last updated
- Jul 16, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (812) 485-2590
- Medicaid IDs
- 78006509 KY
200353310 IN - Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,867 in Indiana → Look up another NPI →
Also registered at 1750 Oak Hill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- William Hardesty, MDGeriatric Medicine (Internal Medicine) Physician1881799179
- Joseph Martz, DOFamily Medicine Physician1073007464
- Emily Murphy, FNPNurse Practitioner1770868606
- Daniel Nalin, M.D.Internal Medicine Physician1144284480
- Nathan Riley, NPNurse Practitioner1316182934
Verify Mary Margaret Gregory in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Indiana board licenses this profession
Search for license 71000491ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Mary Margaret Gregory among 5,867 family nurse practitioner records in Indiana
Mary Margaret Gregory, FNP-C 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 not. Its NPI, issued in 2006, is newer than 2% of them.
- NPI issued2006 · 2% of these records are older, 92% newer
- In a Medicare fileNo · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 67% of these records are
- Record last updated2015 · 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).
154 family nurse practitioner records list a practice address in Evansville
They are 154 of the 4,352 NPPES records with a practice address in Evansville, and 5,867 family nurse practitioner records in Indiana. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,867 in Indiana → Every provider in Evansville → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Sara FergusEvansville, IN 477111689171589
- Leslie Gasser, APRNEvansville, IN 477111104494442
- Kathalene Keller Riney, NP-CEvansville, IN 477111457786642
- Elizibeth Pittman, NP-CEvansville, IN 477111184085847
- Erica Thomason, NPEvansville, IN 477111619454188
- Christen Wahl, APRNEvansville, IN 477111467125278
- Misty ArnettEvansville, IN 477101649142241
- Melissa Attebury, NPEvansville, IN 477121013200930
Common questions
What is Mary Margaret Gregory, FNP-C's NPI number?
Mary Margaret Gregory, FNP-C's National Provider Identifier (NPI) is 1437254661, issued on Sep 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mary Margaret Gregory, FNP-C located?
The NPPES record lists a practice address at 1750 Oak Hill RD, Evansville, IN, 47711. Phone: (812) 485-2580. Providers update this record themselves, so call before visiting.
How can I verify Mary Margaret Gregory, FNP-C's license?
NPPES lists Indiana license number 71000491A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity 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. 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.