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MS. GRETA LYNN LAMBERT LMSW
NPI 1811332125
Social Worker - Clinical in Farmington, MO

Active since May 01, 2013PECOS EnrolledAccepts Medicare Assignment
608 PINE ST, FARMINGTON, MO 63640(573) 756-6744(573) 756-5579 Get Directions Write a Review

NPPES record last updated: May 1, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Ms. Greta Lynn Lambert Lmsw NPPES

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

MS. GRETA LYNN LAMBERT LMSW (NPI 1811332125) is an individual clinical provider in Farmington, Missouri, licensed in Missouri (2013011389) and active in the NPI registry since May 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2010).

NPPES Registry Identity

NPI1811332125
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. GRETA LYNN LAMBERTCredential: LMSW
Location Address608 PINE STFarmington, MO 63640-3020
Mailing Address1859 Deer Creek DrDe Soto, MO 63020-2622 · (314) 223-2132
Phone(573) 756-6744
Fax(573) 756-5579
Sole ProprietorYes
Medical School CMSOtherGraduated 2010
Enumeration DateMay 1, 2013
✔ NPI 1811332125 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in MO · 2013011389
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
608 PINE ST, Farmington, MO 63640
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica, Oscar Insurance Company, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Ms. Greta Lynn Lambert Lmsw 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 ID7214164391
PECOS Enrollment IDI20131217000768
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.

Medicare Billing Reassignment

Medicare enrollment records show Greta Lambert reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Advanced Psychiatric Services Inc
29 mi
Psychiatry
807 COLLINS DR
Festus, MO 63028
  • Reassigned Medicare billing, Missouri enrollment
  • 20 clinicians in this Medicare group
NPI 1154372464 (636) 931-4206

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

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, 30 minutes 90832
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.
66 services11 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.
46 services12 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63640 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
$0.00 typical visit price
range $52.28 – $161.24
Typical copayment $0.00 (range $13.07 – $40.31)
Most-billed visit code NA
Established Patient
$65.71 typical visit price
range $16.30 – $131.05
Typical copayment $16.42 (range $4.07 – $32.76)
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 10

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

COURTNEY BAUERS
Day Training/Habilitation Specialist
608 PINE ST
FARMINGTON, MO 63640
St. Francois County (573) 366-8866
CAREN SUE MELL LCSW
Social Worker (Clinical)
608 PINE ST
FARMINGTON, MO 63640
St. Francois County (573) 756-6744
SASHA BIESEMEYER
Social Worker
608 PINE ST
FARMINGTON, MO 63640
St. Francois County (573) 701-1300
MRS. BREAH WHEELER WARD PLPC
Counselor (Professional)
608 PINE ST
FARMINGTON, MO 63640
St. Francois County (573) 756-6674
HALEY REYNOLDS
Social Worker (School)
608 PINE ST
FARMINGTON, MO 63640
St. Francois County (573) 701-1300
JEFFERY L TUPPER I
Day Training/Habilitation Specialist
608 PINE ST
FARMINGTON, MO 63640
St. Francois County (573) 366-4634
CHARLES RICKEY GAINES JR.
Social Worker (Clinical)
608 PINE ST
FARMINGTON, MO 63640
St. Francois County (573) 218-8541
MISTI DAWN HORTON
Behavior Technician
608 PINE ST
FARMINGTON, MO 63640
St. Francois County (573) 701-1395

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 Greta Lambert's NPI number?

The NPI number for Greta Lambert is 1811332125. It was assigned to this individual provider in the NPPES registry on May 1, 2013.

Where is Greta Lambert located?

Greta Lambert practices at 608 Pine St, Farmington, MO 63640. The listed phone number is (573) 756-6744.

What is Greta Lambert's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Greta Lambert enrolled in Medicare?

Yes. Greta Lambert 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.

Which organization bills Medicare for Greta Lambert's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Greta Lambert reassigns Medicare benefits to Advanced Psychiatric Services Inc (Festus, MO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Greta Lambert's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Greta Lambert accept?

Health plans from Medica, Oscar Insurance Company and UnitedHealthcare list Greta Lambert 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 Greta Lambert was last updated on May 1, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 years 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.