Ryan Law Johnson, DNP, FNP
NPI 1417208091 · Nurse Practitioner · Charleston, SC
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Law Johnson, DNP, FNP is a Nurse Practitioner provider in Charleston, SC (NPI 1417208091).
Provider details
- NPI number
- 1417208091
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- DNP, FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 17944 (SC)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
13 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
3 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,106 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 Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 557 | $88 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, 20 Minutes Or More99308 | 180 | $63 |
| Subsequent Nursing Facility Care With Moderate Level of Medical Decision Making, Per Day, If Using Time, at Least 30 Minutes99309 | 168 | $88 |
| Psychiatric Diagnostic Evaluation With Medical Services90792 | 137 | $142 |
| Initial Nursing Facility Care With High Level of Medical Decision Making, Per Day, If Using Time, 50 Minutes Or More99306 | 32 | $149 |
| Subsequent Nursing Facility Care With Straightforward Level of Medical Decision Making, Per Day, If Using Time, at Least 10 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Quetiapine Fumarate | 89 | 25 |
| Mirtazapine | 85 | 24 |
| Trazodone Hcl | 80 | 35 |
| Buspirone Hcl | 66 | 22 |
| Divalproex Sodium | 65 | 21 |
| Hydroxyzine Hcl | 62 | 32 |
| Escitalopram Oxalate | 54 | 13 |
Practice location
Mailing address
Additional practice locations (2)
- 295a Midland PkwySummerville, SC 29485-5901Phone: (843) 847-4372Fax: (843) 897-7951
- 89 Old Trolley Rd Ste 207bSummerville, SC 29485-4953Phone: (843) 509-4257Fax: (843) 897-7951
Registry dates
- Enumerated
- 2012-09-24
- Last updated
- 2025-04-27
- Certified
- 2025-04-27
Frequently asked questions
- What is Ryan Law Johnson's NPI number?
- Ryan Law Johnson's National Provider Identifier (NPI) is 1417208091, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Law Johnson's specialty?
- Ryan Law Johnson is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Ryan Law Johnson located?
- Ryan Law Johnson's practice location on file with NPPES is 9330 Medical Plaza Dr, Charleston, SC 29406-9104.
- What is Ryan Law Johnson's phone number?
- The practice phone number listed in the NPPES registry for Ryan Law Johnson is (843) 847-3225.
- Does Ryan Law Johnson accept Medicare?
- Ryan Law Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Law Johnson's NPI active?
- Yes — Ryan Law Johnson's NPI (1417208091) is active in the NPPES registry as of the last update on 2025-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.