MRS. ELIZABETH MARIE NALLENWEG MSW, LCSW
NPI 1841675550
Social Worker - Clinical in Atlanta, GA

Q: What is Elizabeth Nallenweg's NPI number?

The NPI number for Elizabeth Nallenweg is 1841675550. It was assigned to this individual provider in the NPPES registry on July 23, 2015.

Q: What is Elizabeth Nallenweg's specialty?

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

Active since July 23, 2015PECOS EnrolledAccepts Medicare Assignment

424 DECATUR ST SE, ATLANTA, GA 30312(678) 843-8600 Get Directions Write a Review

NPPES record last updated: May 8, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 8, 2025, Oct 19, 2020 (2 updates tracked since 2020).

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About Mrs. Elizabeth Marie Nallenweg Msw, Lcsw NPPES

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

MRS. ELIZABETH MARIE NALLENWEG MSW, LCSW (NPI 1841675550) is an individual clinical provider in Atlanta, Georgia, licensed in Georgia (CSW009541) and active in the NPI registry since July 2015. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1841675550

Entity TypeIndividualFemale

Primary Taxonomy1041C0700X

Provider Legal NameMRS. ELIZABETH MARIE NALLENWEGCredential: MSW, LCSW

Location Address424 DECATUR ST SEAtlanta, GA 30312-1848

Mailing Address5095 Nesbit Ferry LnSandy Springs, GA 30350-1170 · (317) 517-4381

Phone(678) 843-8600

Sole ProprietorNo

Medical School CMSOtherGraduated 2009

Enumeration DateJuly 23, 2015

Last NPPES UpdateMay 8, 20252 updates tracked since enumeration

NPPES CertifiedMay 8, 2025

✔ NPI 1841675550 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code1041C0700X

License✔ Licensed in GA · CSW009541

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.

Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License 33007399A (IN)

Also ListedSocial WorkerTaxonomy 104100000X · License 33007399A (IN)

424 DECATUR ST SE, Atlanta, GA 30312

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Secondary Practice Locations 2

Location 13711 E Southport RdIndianapolis, IN 46227-7874 · Phone (317) 796-6668 · Fax (317) 559-0557

Location 25095 Nesbit Ferry LnSandy Springs, GA 30350-1170 · Phone (317) 517-4381

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

Mrs. Elizabeth Marie Nallenweg Msw, Lcsw 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 ID1759621360

PECOS Enrollment IDI20250723002815

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 Reassignments

Medicare enrollment records show Elizabeth Nallenweg reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

The Southeast Permanente Medical Group

7.0 mi

Internal Medicine

3495 PIEDMONT ROAD NE, NINE PIEDMONT CENTER
Atlanta, GA 30305

Reassigned Medicare billing, Georgia enrollment
1,389 clinicians in this Medicare group

NPI 1245266956 (404) 364-3821

Grow Healthcare Group PA

604 mi

Mental Health

66 W FLAGLER ST STE 900
Miami, FL 33130

Reassigned Medicare billing, Colorado enrollment
504 clinicians in this Medicare group

NPI 1245845932 (786) 244-7711

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 30312 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 $56.84 – $172.43

Typical copayment $0.00 (range $14.21 – $43.10)

Most-billed visit code NA

Established Patient

$70.85 typical visit price

range $18.22 – $140.40

Typical copayment $17.71 (range $4.55 – $35.10)

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. ASTRID ROZO-RIVERA F-NP

Nurse Practitioner (Family)