NPPES file of Aug 9, 2026

Mary Catherine Parker, MSN, GNP-C

Gerontology Nurse Practitioner · Fort Wayne, IN

Mary Catherine Parker, MSN, GNP-C is a gerontology nurse practitioner with a practice address in Fort Wayne, Indiana, and NPI 1386661064, issued on Jul 17, 2006. Check the license (Indiana 71000897A, as entered in NPPES) with the Indiana board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1386661064
Name
Mary Catherine Parker
Credential
MSN, GNP-C
Primary taxonomy
Gerontology Nurse Practitioner 363LG0600X
License number
71000897A IN
Self-reported in NPPES; status is on the state search
Practice location
2001 Hobson RD, Fort Wayne, IN 46805
Phone
(260) 484-9557
Enumerated
Jul 17, 2006
Record last updated
Apr 6, 2023
Medicare enrollment
Enrolled (PECOS I20050322000064); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2001 Hobson RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Paolo Miguel Dumadag, R.P.T.Physical Therapist1609074376
  2. Susan Halley, MS, FNP-CFamily Nurse Practitioner1891716312
  3. Amanda Smithson, COTAOccupational Therapy Assistant1407187073

Verify Mary Catherine Parker in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Indiana board licenses this profession
    Search for license 71000897A
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Indiana license search

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2.8 times the Medicare Part D claims of the average gerontology nurse practitioner in 2024

3,793 Medicare Part D claims for 140 beneficiaries, against an average of 1,369 among the 6,165 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 126 claims were for opioids.

  1. Mary Parker3,793
  2. Specialty average1,369

Most prescribed

  1. Levothyroxine Sodium200 claims
  2. Atorvastatin Calcium192 claims
  3. Furosemide145 claims
  4. Metoprolol Succinate125 claims
  5. Donepezil Hcl105 claims
  6. Amlodipine Besylate104 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: $20.70

1 payment: food and beverage; the largest payer was Sumitomo Pharma America, Inc. The 3,903 providers of this specialty with any payment received $742.05 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Mary Parker$20.70
  2. Specialty average$742.05

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

  1. Eventus Ecs, IncIndianapolis, IN
  2. Extended Care Specialists, IncMerrillville, IN

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mary Catherine Parker among 323 gerontology nurse practitioner records in Indiana

Mary Catherine Parker, MSN, GNP-C is one of 323 gerontology nurse practitioner records with a practice address in Indiana. 91% 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 under 1% of them.

  • NPI issued2006 · under 1% of these records are older, 97% newer
  • In a Medicare fileYes · 91% of these records are
  • In the CMS Doctors and Clinicians fileYes · 84% of these records are
  • Graduated1999 · median 2020 among the 271 with a school on file
  • Record last updated2023 · 21% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LG0600X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gerontology Nurse Practitioner providers in Indiana

There are 323 gerontology nurse practitioner records in Indiana.

The 8 gerontology nurse practitioner records with the nearest ZIP codes

  1. Wilma Cox, NPFort Wayne, IN 468051790898088
  2. Pamela Dekoninck, MS, RN, AGPCNP-BCFort Wayne, IN 468051639622772
  3. Jennifer Littke, AGPCNP-BCFort Wayne, IN 468051922470970
  4. Marena Arnold, NPFort Wayne, IN 468041467842344
  5. Christopher Bowman, DNPFort Wayne, IN 468041841713229
  6. Jennifer Foley, NPFort Wayne, IN 468041164831509
  7. Anna Kemler, NPFort Wayne, IN 468041831708965
  8. Joyce Nwakanma, NPFort Wayne, IN 468041538516273

Common questions

What is Mary Catherine Parker, MSN, GNP-C's NPI number?

Mary Catherine Parker, MSN, GNP-C's National Provider Identifier (NPI) is 1386661064, issued on Jul 17, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mary Catherine Parker, MSN, GNP-C located?

The NPPES record lists a practice address at 2001 Hobson RD, Fort Wayne, IN, 46805. Phone: (260) 484-9557. Providers update this record themselves, so call before visiting.

How can I verify Mary Catherine Parker, MSN, GNP-C's license?

NPPES lists Indiana license number 71000897A, as entered by the provider. Search the Indiana board that licenses this profession; the NPPES record confirms identity only.

How much does Mary Catherine Parker, MSN, GNP-C prescribe under Medicare Part D?

In 2024, Mary Catherine Parker, MSN, GNP-C had 3,793 Medicare Part D claims for 140 beneficiaries; the average among gerontology nurse practitioner prescribers was 1,369. 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.