Mary Parker, MSN, GNP-C
NPI 1386661064 · Gerontology Nurse Practitioner · Fort Wayne, IN
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Parker, MSN, GNP-C is a Gerontology Nurse Practitioner provider in Fort Wayne, IN (NPI 1386661064).
Provider details
- NPI number
- 1386661064
- Entity type
- Individual
- Primary specialty
- Gerontology Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- MSN, GNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 71000897A (IN)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
692 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 229 | $49 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 160 | $100 |
| Chronic Care Management Services for Two Or More Chronic Conditions, Additional 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99439 | 148 | $38 |
| Residence Visit for Established Patient With Low Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99348 | 103 | $61 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 17 | $85 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 85 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 200 | 25 |
| Atorvastatin Calcium | 192 | 23 |
| Furosemide | 145 | 23 |
| Metoprolol Succinate | 125 | 15 |
| Donepezil Hcl | 105 | 12 |
| Amlodipine Besylate | 104 | 16 |
| Sertraline Hcl | 99 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$21 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-17
- Last updated
- 2023-04-06
- Certified
- 2023-04-06
Frequently asked questions
- What is Mary Parker's NPI number?
- Mary Parker's National Provider Identifier (NPI) is 1386661064, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Parker's specialty?
- Mary Parker is listed in the NPPES registry with a primary specialty of Gerontology Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Parker located?
- Mary Parker's practice location on file with NPPES is 2001 Hobson Rd, Fort Wayne, IN 46805-4872.
- What is Mary Parker's phone number?
- The practice phone number listed in the NPPES registry for Mary Parker is (260) 484-9557.
- Does Mary Parker accept Medicare?
- Mary Parker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Parker's NPI active?
- Yes — Mary Parker's NPI (1386661064) is active in the NPPES registry as of the last update on 2023-04-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.