Melissa Greenhalgh, APRN
NPI 1477171031 · Family Nurse Practitioner · Lexington, SC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Greenhalgh, APRN is a Family Nurse Practitioner provider in Lexington, SC (NPI 1477171031).
Provider details
- NPI number
- 1477171031
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 667702 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Nursing Service Providers
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
5 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
481 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) |
|---|---|---|
| Complex Chronic Care Management Services for Two Or More Chronic Conditions, Each Additional 60 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99489 | 276 | $57 |
| Residence Visit for Established Patient With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99349 | 83 | $101 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 57 | $95 |
| Complex Chronic Care Management Services for Two Or More Chronic Conditions, First 60 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99487 | 46 | $106 |
| Advance Care Planning, First 30 Minutes99497 | 19 | $64 |
Typical Medicare-allowed amounts for these services range $57–$106 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 26 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Furosemide | 47 | 18 |
| Atorvastatin Calcium | 43 | 24 |
| Omeprazole | 35 | 15 |
| Metoprolol Succinate | 32 | 14 |
| Gabapentin | 31 | 14 |
| Levothyroxine Sodium | 30 | 14 |
| Amlodipine Besylate | 28 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$142 across 2 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
- 2020-07-10
- Last updated
- 2025-05-14
- Certified
- 2025-05-14
Frequently asked questions
- What is Melissa Greenhalgh's NPI number?
- Melissa Greenhalgh's National Provider Identifier (NPI) is 1477171031, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Greenhalgh's specialty?
- Melissa Greenhalgh is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Melissa Greenhalgh located?
- Melissa Greenhalgh's practice location on file with NPPES is 2480 Two Notch Rd, Lexington, SC 29072-7963.
- What is Melissa Greenhalgh's phone number?
- The practice phone number listed in the NPPES registry for Melissa Greenhalgh is (803) 951-5871.
- Does Melissa Greenhalgh accept Medicare?
- Melissa Greenhalgh is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Greenhalgh's NPI active?
- Yes — Melissa Greenhalgh's NPI (1477171031) is active in the NPPES registry as of the last update on 2025-05-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.