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MARTIN KEITH WILLIAMS MD
NPI 1669420733
Psychiatry & Neurology - Psychiatry in Smithfield, NC

Active since May 04, 2006PECOS Enrolled
521 N BRIGHTLEAF BLVD, SMITHFIELD, NC 27577(252) 399-2112(252) 399-2132 Get Directions Write a Review

NPPES record last updated: September 24, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jun 7, 2021, May 25, 2018 (2 updates tracked since 2018).

About Martin Keith Williams Md NPPES

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

MARTIN KEITH WILLIAMS MD (NPI 1669420733) is an individual psychiatry provider in Smithfield, North Carolina, licensed in North Carolina (39715) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS and is a graduate of Brody School Of Medicine At East Carolina University (1989).

NPPES Registry Identity

NPI1669420733
Entity TypeIndividualMale
Primary Taxonomy2084P0800X
Provider Legal NameMARTIN KEITH WILLIAMSCredential: MD
Location Address521 N BRIGHTLEAF BLVDSmithfield, NC 27577-4407
Mailing Address521 N Brightleaf BlvdSmithfield, NC 27577-4407 · (919) 989-5500 · Fax (833) 438-7008
Phone(252) 399-2112
Fax(252) 399-2132
Sole ProprietorNo
Medical School CMSBrody School Of Medicine At East Carolina UniversityGraduated 1989
Enumeration DateMay 4, 2006
Last NPPES UpdateSeptember 24, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 24, 2025
✔ NPI 1669420733 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 · 39715
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.
521 N BRIGHTLEAF BLVD, Smithfield, NC 27577
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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 (PECOS)

Martin Keith Williams Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3678762622
PECOS Enrollment IDI20180924000248
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 3

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.

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.
213 services100 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.
116 services86 patients
Assessment of emotional or behavioral problems 96127
Assessment of emotional or behavioral problems involves a thorough evaluation of your feelings, thoughts, and behaviors. It's a process where professionals study patterns over time to identify potential issues like anxiety, depression, or other mental health conditions.
96 services78 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 27577 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 20

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

MRS. ELAINE MARGARET HOWELL PCC
Counselor (Professional)
521 N BRIGHTLEAF BLVD
SMITHFIELD, NC 27577
Johnston County (919) 989-5576
MRS. KAREN LYNN STORM MS
Psychologist
521 N BRIGHTLEAF BLVD, JOHNSTON COUNTY MENTAL HEALTH CENTER
SMITHFIELD, NC 27577
Johnston County (919) 989-5500
MS. LORI MICHELLE CAVINESS MSW LCSW
Social Worker (Clinical)
521 N BRIGHTLEAF BLVD, JOHNSTON COUNTY MENTAL HEALTH CENTER
SMITHFIELD, NC 27577
Johnston County (919) 989-5500
DR. KIMBERLY A JOHNSON M.D.
Psychiatry & Neurology (Psychiatry)
521 N BRIGHTLEAF BLVD
SMITHFIELD, NC 27577
Johnston County (919) 989-5555
DR. WENDY ELLIOTT PHD
Psychologist
521 N BRIGHTLEAF BLVD, JOHNSTON COUNTY MENTAL HEALTH CENTER
SMITHFIELD, NC 27577
Johnston County (919) 989-5500
SARA ANNE SMITH LCSW, MSW
Social Worker
521 N BRIGHTLEAF BLVD
SMITHFIELD, NC 27577
Johnston County (919) 989-5500
BROOKE LYNN RYALS LCMHC-A
Counselor (Mental Health)
521 N BRIGHTLEAF BLVD
SMITHFIELD, NC 27577
Johnston County (919) 989-5500
JOHNSTON COUNTY MENTAL HEALTH CTR
Case Manager/Care Coordinator
521 N BRIGHTLEAF BLVD
SMITHFIELD, NC 27577
Johnston County (919) 989-5500

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 Martin Williams's NPI number?

The NPI number for Martin Williams is 1669420733. It was assigned to this individual provider in the NPPES registry on May 4, 2006.

Where is Martin Williams located?

Martin Williams practices at 521 N Brightleaf Blvd, Smithfield, NC 27577. The listed phone number is (252) 399-2112.

What is Martin Williams's specialty?

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

Is Martin Williams enrolled in Medicare?

Yes. Martin Williams is registered in the Medicare PECOS enrollment system.

What insurance does Martin Williams accept?

Health plans from Blue Cross and Blue Shield of NC list Martin Williams 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 Martin Williams was last updated on September 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.