Provider Profile
Ryan N. Law Johnson, DNP, FNP is a nurse practitioner practicing in Charleston, SC. Ryan is also listed as specializing in nurse practitioner — family and nurse practitioner — psychiatric/mental health. Medicare claims data shows Ryan provided 1,106 services to 634 patients. The services billed most often include subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes, subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more, and subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
9330 MEDICAL PLAZA DR
Charleston, SC 29406
89 Old Trolley Rd Ste 207B
Summerville, SC 29485
295A Midland Pkwy
Summerville, SC 29485
1,106 services · 634 patients · 6 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
137 | More often than most peers in Nurse Practitioner |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
557 | More often than most peers in Nurse Practitioner |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more | Office visit | 99308 |
180 | As often as other peers in Nurse Practitioner |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
168 | More often than most peers in Nurse Practitioner |
| Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes | Office visit | 99307 |
32 | As often as other peers in Nurse Practitioner |
| Initial nursing facility care with high level of medical decision making, per day, if using time, 50 minutes or more | Office visit | 99306 |
32 | As often as other peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Ryan N. Law Johnson, DNP is a nurse practitioner in Charleston, SC. That is the designation recorded for this NPI in the federal registry.
NPI registry
Ryan N. Law Johnson, DNP is listed at 9330 Medical Plaza Dr, Charleston, SC 29406. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (843) 847-3225. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Ryan N. Law Johnson, DNP's National Provider Identifier is 1417208091. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Ryan N. Law Johnson, DNP attended Other, graduating in 2022. This comes from the CMS National Downloadable File.
CMS public data
Ryan N. Law Johnson, DNP has 4 years experience. Calculated from a graduation year of 2022, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Ryan N. Law Johnson, DNP provides treatments such as psychiatric diagnostic evaluation with medical services, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Ryan N. Law Johnson, DNP. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.