Mary Harding, APRN
NPI 1639557531 · Family Nurse Practitioner · Little River, SC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Harding, APRN is a Family Nurse Practitioner provider in Little River, SC (NPI 1639557531).
Provider details
- NPI number
- 1639557531
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APRN
- Sex
- Female
- Sole proprietor
- No
- License
- 19419A (SC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,061 Medicare services, 2024 (ranked within specialty)
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 methodology.
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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 580 | $66 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 196 | $89 |
| Detection Test By Immunoassay With Direct Visual Observation for Influenza Virus87804 | 160 | $16 |
| Subsequent Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, at Least 45 Minutes99310 | 143 | $128 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 132 | $107 |
| Initial Hospital Care With Moderate Level of Medical Decision Making, If Using Time, at Least 75 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 63 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 230 | 192 |
| Atorvastatin Calcium | 105 | 68 |
| Fluconazole | 96 | 85 |
| Amlodipine Besylate | 72 | 41 |
| Omeprazole | 61 | 38 |
| Buspirone Hcl | 60 | 15 |
| Lisinopril | 59 | 40 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-05-12
- Last updated
- 2022-11-02
- Certified
- 2022-11-02
Frequently asked questions
- What is Mary Harding's NPI number?
- Mary Harding's National Provider Identifier (NPI) is 1639557531, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Harding's specialty?
- Mary Harding is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Harding located?
- Mary Harding's practice location on file with NPPES is 3600 Sea Mountain Hwy, Suite, Little River, SC 29566.
- What is Mary Harding's phone number?
- The practice phone number listed in the NPPES registry for Mary Harding is (800) 491-0909.
- Does Mary Harding accept Medicare?
- Mary Harding is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Harding's NPI active?
- Yes — Mary Harding's NPI (1639557531) is active in the NPPES registry as of the last update on 2022-11-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.