Physician Profile
Based in Clemmons, NC, William Jeffery Marshall, M.D. is listed in the NPI registry under psychiatry. William graduated from Wake Forest University School of Medicine in 1983. Medicare claims data shows William provided 1,862 services to 549 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
2255 LEWISVILLE CLEMMONS RD STE E
Clemmons, NC 27012
Within Psychiatry generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Most searched procedures
1,862 services · 549 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
616 |
| Psychotherapy, 1 hour | Treatment | 90837 |
384 |
| Psychotherapy with evaluation and management visit, 45 minutes | Treatment | 90836 |
77 |
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
39 |
| Psychotherapy with evaluation and management visit, 1 hour | Treatment | 90838 |
27 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
430 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
289 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Marshall is a psychiatry in Clemmons, NC. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PSYCHIATRY”.
NPI registry
Dr. Marshall is listed at 2255 LEWISVILLE CLEMMONS RD STE E, Clemmons, NC 27012. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (336) 766-0505. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Marshall's National Provider Identifier is 1104992627. 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
Dr. Marshall attended Wake Forest University School of Medicine, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
Dr. Marshall has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Marshall provides treatments such as psychotherapy with evaluation and management visit, 30 minutes and psychotherapy, 1 hour, 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 Dr. Marshall. 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.