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DR. WILLIAM JEFFERY MARSHALL M.D.
NPI 1104992627
Psychiatry & Neurology - Psychiatry in Clemmons, NC

Active since November 27, 2006PECOS EnrolledAccepts Medicare Assignment
2255 LEWISVILLE CLEMMONS RD STE E, CLEMMONS, NC 27012(336) 766-0505(336) 766-0553 Get Directions Write a Review

NPPES record last updated: November 6, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. William Jeffery Marshall M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM JEFFERY MARSHALL M.D. (NPI 1104992627) is an individual psychiatry provider in Clemmons, North Carolina, licensed in North Carolina (28539) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of Wake Forest University School Of Medicine (1983).

NPPES Registry Identity

NPI1104992627
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameDR. WILLIAM JEFFERY MARSHALLCredential: M.D.
Location Address2255 LEWISVILLE CLEMMONS RD STE EClemmons, NC 27012-7460
Mailing Address2255 Lewisville Clemmons Rd Ste EClemmons, NC 27012-7460 · (336) 766-0505 · Fax (336) 766-8586
Phone(336) 766-0505
Fax(336) 766-0553
Sole ProprietorNo
Medical School CMSWake Forest University School Of MedicineGraduated 1983
Enumeration DateNovember 27, 2006
Last NPPES UpdateNovember 6, 2025
NPPES CertifiedNovember 6, 2025
✔ NPI 1104992627 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
License✔ Licensed in NC · 28539
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
2255 LEWISVILLE CLEMMONS RD STE E, Clemmons, NC 27012
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of NC.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. William Jeffery Marshall M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7810169042
PECOS Enrollment IDI20111013000082
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 7

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy with evaluation and management visit, 30 minutes 90833
Psychotherapy with evaluation and management is a 30-minute session where a mental health professional talks with you about your concerns and feelings. They assess your mental health, provide support, and manage your treatment plan to help improve your well-being.
616 services170 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
430 services140 patients
Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
384 services37 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
289 services114 patients
Psychotherapy with evaluation and management visit, 45 minutes 90836
Psychotherapy with evaluation and management is a 45-minute session where a healthcare provider discusses your mental and emotional health. They assess your current state, manage any issues, and help you develop coping strategies. This service aims to improve your overall well-being.
77 services34 patients
Psychiatric diagnostic evaluation with medical services 90792
A psychiatric diagnostic evaluation with medical services is a comprehensive assessment. It includes a detailed examination of your mental health and physical wellbeing, as well as your personal and family history. This evaluation aids in creating an effective treatment plan.
39 services39 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27012 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$165.09 typical visit price
range $54.12 – $165.09
Typical copayment $41.27 (range $13.53 – $41.27)
Most-billed visit code 99205
Established Patient
$67.72 typical visit price
range $17.21 – $134.61
Typical copayment $16.93 (range $4.30 – $33.65)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 2

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

PIEDMONT PSYCHIATRIC ASSOCIATES PA
Counselor (Mental Health)
2255 LEWISVILLE CLEMMONS RD STE E
CLEMMONS, NC 27012
Forsyth County (336) 766-0505
LISA WAGONER HAIRSTON LCMHC
Counselor (Professional)
2255 LEWISVILLE CLEMMONS RD STE E
CLEMMONS, NC 27012
Forsyth County (336) 766-0505

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Marshall's NPI number?

The NPI number for William Marshall is 1104992627. It was assigned to this individual provider in the NPPES registry on November 27, 2006.

Where is William Marshall located?

William Marshall practices at 2255 Lewisville Clemmons Rd Ste E, Clemmons, NC 27012. The listed phone number is (336) 766-0505.

What is William Marshall's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is William Marshall enrolled in Medicare?

Yes. William Marshall is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does William Marshall accept?

Health plans from Blue Cross and Blue Shield of NC list William Marshall as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for William Marshall was last updated on November 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.