Mary Theresa Massey, APRN
Family Nurse Practitioner · Louisville, KY
Mary Theresa Massey, APRN is a family nurse practitioner with a practice address in Louisville, Kentucky, and NPI 1407324221, issued on Nov 9, 2018. Check the license (Kentucky 3011915, as entered in NPPES) with the Kentucky board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Theresa Massey
- Credential
- APRN
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 3011915 KY
Self-reported in NPPES; status is on the state search - Practice location
- 411 E Chestnut St # 5A, Louisville, KY 40202
- Phone
- (502) 588-7450
- Enumerated
- Nov 9, 2018
- Record last updated
- Mar 26, 2024
- Fax
- (502) 588-7728
- Medicare enrollment
- Enrolled (PECOS I20181214001068); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 5,545 in Kentucky → Look up another NPI →
Also registered at 411 E Chestnut St # 5A
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amy Dipietro, M.D.Pediatric Cardiology Physician1023236148
Verify Mary Theresa Massey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Kentucky board licenses this profession
Search for license 3011915Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average family nurse practitioner in 2024
30 Medicare Part D claims, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.
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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $17.48
1 payment: food and beverage; the largest payer was Ptc Therapeutics, Inc. 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 one group practice
- Norton Childrens Medical Group LLCLouisville, KY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Theresa Massey among 5,545 family nurse practitioner records in Kentucky
Mary Theresa Massey, APRN is one of 5,545 family nurse practitioner records with a practice address in Kentucky. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 47% of them.
- NPI issued2018 · 47% of these records are older, 47% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2014 · median 2018 among the 3,839 with a school on file
- Record last updated2024 · 39% 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 Kentucky practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,321 family nurse practitioner records list a practice address in Louisville
They are 1,321 of the 21,891 NPPES records with a practice address in Louisville, and 5,545 family nurse practitioner records in Kentucky.
All 5,545 in Kentucky → Every provider in Louisville → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Kathy Bertolone, RN MSW ARNP CFNPLouisville, KY 402021922088608
- Nancy Cahill, APRNLouisville, KY 402021952399628
- Teresa Casey, APRNLouisville, KY 402021265411250
- Janice Fiechter, APRNLouisville, KY 402021205832961
- Eileen Grigutis, ARNPLouisville, KY 402021639117328
- Ana Grynwald, ARNPLouisville, KY 402021780649228
- Melissa Humphreys, ARNPLouisville, KY 402021215993969
- Stacy Jensen, APRNLouisville, KY 402021114993441
Common questions
What is Mary Theresa Massey, APRN's NPI number?
Mary Theresa Massey, APRN's National Provider Identifier (NPI) is 1407324221, issued on Nov 9, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Mary Theresa Massey, APRN located?
The NPPES record lists a practice address at 411 E Chestnut St # 5A, Louisville, KY, 40202. Phone: (502) 588-7450. Providers update this record themselves, so call before visiting.
How can I verify Mary Theresa Massey, APRN's license?
NPPES lists Kentucky license number 3011915, as entered by the provider. Search the Kentucky board that licenses this profession; the NPPES record confirms identity only.
How much does Mary Theresa Massey, APRN prescribe under Medicare Part D?
In 2024, Mary Theresa Massey, APRN had 30 Medicare Part D claims; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
What is Mary Theresa Massey, APRN's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.