Gretchen Machesney, NP
NPI 1134658867 · Acute Care Nurse Practitioner · La Plata, MD
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gretchen Machesney, NP is a Acute Care Nurse Practitioner provider in La Plata, MD (NPI 1134658867).
Provider details
- NPI number
- 1134658867
- Entity type
- Individual
- Primary specialty
- Acute Care Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- APRN002639 (NV)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
9 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
128 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) |
|---|---|---|
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes99223 | 69 | $144 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 48 | $98 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 11 | $95 |
Typical Medicare-allowed amounts for these services range $95–$144 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Apixabanbrand: Eliquis | 35 | 16 |
| Metoprolol Succinate | 34 | 21 |
| Furosemide | 20 | 11 |
| Atorvastatin Calcium | 18 | 13 |
| Clopidogrel Bisulfatebrand: Clopidogrel | 15 | — |
| Lisinopril | 13 | 11 |
| Hydrochlorothiazide |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$100 across 5 records (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
- 2017-06-06
- Last updated
- 2025-07-09
- Certified
- 2025-07-09
Frequently asked questions
- What is Gretchen Machesney's NPI number?
- Gretchen Machesney's National Provider Identifier (NPI) is 1134658867, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gretchen Machesney's specialty?
- Gretchen Machesney is listed in the NPPES registry with a primary specialty of Acute Care Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gretchen Machesney located?
- Gretchen Machesney's practice location on file with NPPES is 5 Garrett Ave, La Plata, MD 20646-5960.
- What is Gretchen Machesney's phone number?
- The practice phone number listed in the NPPES registry for Gretchen Machesney is (301) 609-5439.
- Does Gretchen Machesney accept Medicare?
- Gretchen Machesney is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gretchen Machesney's NPI active?
- Yes — Gretchen Machesney's NPI (1134658867) is active in the NPPES registry as of the last update on 2025-07-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.