Cynthia Riley
NPI 1093429508 · Nurse Practitioner · Pawleys Island, SC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Cynthia Riley is a Nurse Practitioner provider in Pawleys Island, SC (NPI 1093429508).
Provider details
- NPI number
- 1093429508
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 26933 (SC)
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
3 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
10 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
182 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) |
|---|---|---|
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 90 | $11 |
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 72 | $9 |
| Automated Urinalysis Test81003 | 20 | $2 |
Typical Medicare-allowed amounts for these services range $2–$11 (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 · 71 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 87 | 35 |
| Lisinopril | 80 | 33 |
| Rosuvastatin Calcium | 73 | 29 |
| Prednisone | 72 | 67 |
| Levothyroxine Sodium | 62 | 23 |
| Amlodipine Besylate | 58 | 27 |
| Gabapentin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$565 across 31 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
Additional practice locations (9)
- 701 S Morgan AveAndrews, SC 29510-2959Phone: (843) 264-5253Fax: (843) 264-5970
- 1075 N Fraser StGeorgetown, SC 29440-2848Phone: (843) 527-4442Fax: (843) 527-4027
- 456 N Main StHemingway, SC 29554-9190Phone: (843) 558-9319Fax: (843) 558-9818
- 2347 S Highway 17Murrells Inlet, SC 29576-7611Phone: (843) 357-2443Fax: (843) 357-2132
- 4367 Riverwood Dr Unit 110Murrells Inlet, SC 29576-4381Phone: (843) 652-8046Fax: (843) 357-9771
- 11916 Highway 707 Ste DMurrells Inlet, SC 29576-9610Phone: (843) 652-8450Fax: (843) 652-8451
- 2200 Crow Ln Ste 301Myrtle Beach, SC 29577-1663Phone: (843) 848-5300Fax: (843) 848-5305
- 4320 Holmestown RdMyrtle Beach, SC 29588-7837Phone: (843) 652-8440
Registry dates
- Enumerated
- 2023-01-09
- Last updated
- 2025-12-09
- Certified
- 2025-12-09
Frequently asked questions
- What is Cynthia Riley's NPI number?
- Cynthia Riley's National Provider Identifier (NPI) is 1093429508, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Cynthia Riley's specialty?
- Cynthia Riley is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Cynthia Riley located?
- Cynthia Riley's practice location on file with NPPES is 9699 Ocean Hwy, Pawleys Island, SC 29585-7425.
- What is Cynthia Riley's phone number?
- The practice phone number listed in the NPPES registry for Cynthia Riley is (843) 237-4296.
- Does Cynthia Riley accept Medicare?
- Cynthia Riley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Cynthia Riley's NPI active?
- Yes — Cynthia Riley's NPI (1093429508) is active in the NPPES registry as of the last update on 2025-12-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.