William Dreas Lambert, MD

Psychiatry Psychiatry & Neurology

William Dreas Lambert is a Psychiatry Psychiatry & Neurology specialist based in Greenwood, SC with over 37 years of clinical experience. Medicare-enrolled per CMS records and offers virtual telehealth visits.

(864) 725-4398Greenwood, SC
Telehealth Available
NPI Active per CMS — Q2 2026|Medicare Enrolled|Order & Refer

William Dreas Lambert, MD has been part of the Greenwood medical community since 2006 in group practice. He graduated from Medical University of South Carolina College of Medicine in 1989 and has 37+ years of clinical experience. He regularly sees Medicare patients with hypertension, anxiety, and mood disorders (per CMS claims data). CMS MIPS quality score: 96.09/100 (2023).

At a glance

  • Uses generic medications more than 87% of reporting doctors in South Carolina
  • Federal MIPS score higher than 76% of MIPS-scored doctors in South Carolina
  • Virtual visits available — no app or travel required
1 of 146 Psychiatry & Neurology providers in SCSee all Psychiatry & Neurology in Greenwood37+ years experienceNPI since 2006

Older · 1626dNPPES updated 2021-12-10 · verify NPI on CMS · Verify license at South Carolina Board of Medical Examiners

Contact & Location

Practice Location

1325 Spring St Srh Bhu, Greenwood, SC 29646-3860

Fax: (864) 725-4399
CMS Clinical Data

How Does This Doctor Compare?

Based on Medicare data, this doctor scores better than 76% of doctors in South Carolina on federal quality measures, favors affordable generic drugs over brand-name ones.

MIPS Score

2023

96.09/100

South Carolina avg: 79.5 · US avg: 83.6

Higher than most doctors nationally(+12.5 pts)

Better than 76% of MIPS-scored doctors in South Carolina

How the government rates this doctor's Medicare care quality. Scores above 75 are considered good.

Generic Rx

↑ Higher = better

93.2%

South Carolina avg: 83.3 · US avg: 82.8

Higher than most doctors nationally(+10.4 pts)

Better than 87% of reporting doctors in South Carolina

How often this doctor prescribes affordable generic drugs instead of expensive brand-name ones.

Medicare Patients

17

Unique beneficiaries

Boutique practice

Prescription Recipients

51

Patients prescribed

Prescriptions Written

804

Total claims

Total Medicare drug cost: $103k

Percentile rankings compared against 605 reporting peers in South Carolina.

Data Note: Sourced from CMS Medicare Provider Utilization & Payment Data. Percentile rankings compare this provider against all peers with reported data in the same state. Updated annually to reflect the latest federal reporting cycle.

Patient Condition Panel

What This Doctor Treats Most

Based on Medicare claims data — here's what patients commonly see this doctor for

Based on Medicare data, this doctor primarily manages Hypertension, Anxiety Disorders, and Mood Disorders.

Hypertension
Higher than avg (+5%)75%

High blood pressure — a leading risk factor for heart disease and stroke

US avg: 70.2%

↑ More patients than average (+5%) — a focus area for this doctor

Anxiety Disorders
Higher than avg (+41%)75%

Excessive worry or fear that interferes with daily life

US avg: 34.1%

↑ More patients than average (+41%) — a focus area for this doctor

Mood Disorders
75%

Conditions affecting emotional state, including depression and bipolar disorder

Depression
Higher than avg (+39%)71%

A mood disorder causing persistent sadness and loss of interest in activities

US avg: 31.8%

↑ More patients than average (+39%) — a focus area for this doctor

GeneralBehavioralNational avg

Percentage of this provider's Medicare patients diagnosed with each condition. Source: CMS Utilization Data.

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Background & Specialty

Education, training, and specialty classification from CMS NPPES and Medicare records.

Career Journey
  1. Graduated medical school · 1989

    Medical University of South Carolina College of Medicine

  2. Board certified · Dec 9, 2021

    Self-reported via NPPES

  3. 37 years in practice

    Senior practitioner

Psychiatry & NeurologyAllopathic & Osteopathic Physicians

Psychiatrists are physicians who diagnose and treat mental health conditions including depression, anxiety disorders, bipolar disorder, schizophrenia, PTSD, and substance use disorders. They can prescribe medications and provide psychotherapy.

Taxonomy: 2084P0800X

Education & Training

Medical University of South Carolina College of Medicine (Class of 1989)

Virtual Psychiatry & Neurology Care With William Dreas Lambert

NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.

Schedule a virtual visit with William Dreas Lambert for blood pressure monitoring, anxiety counseling, mood disorder follow-ups — no travel to Greenwood required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes. Medicare enrolled per CMS records.

Frequently Asked Questions

Common questions about William Dreas Lambert

Dr. Lambert is listed as active in the NPI registry with telehealth listed in Greenwood, SC. NPI status alone doesn't confirm open availability — call the office to confirm. Phone: (864) 725-4398.

Verified across 5 federal data sources

Sourced from CMS NPPES · OIG LEIE · CMS QPP 2023 · CMS Medicare Part D · CMS Physician Comparator. See Data Methodology.

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Claim Profile

Medical Disclaimer: NPI Telehealth is a provider directory for informational purposes only. This page does not constitute medical advice, diagnosis, or treatment recommendations. Provider data is sourced from the CMS NPPES federal registry and public Medicare datasets. NPI Telehealth does not verify clinical qualifications beyond federal records. Data may not reflect real-time availability — always contact the provider's office directly to confirm details before seeking care.

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