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GRETA LAVONNE GRIER LCSW, MLSW, CADC
NPI 1346004926
Social Worker - Clinical in Philadelphia, PA

Active since February 13, 2024PECOS Enrolled
3900 WOODLAND AVE, PHILADELPHIA, PA 19104(215) 823-5800 Get Directions Write a Review

NPPES record last updated: December 3, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 3, 2025, Dec 26, 2024, Aug 4, 2024 and 1 more (4 updates tracked since 2024).

About Greta Lavonne Grier Lcsw, Mlsw, Cadc NPPES

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

GRETA LAVONNE GRIER LCSW, MLSW, CADC (NPI 1346004926) is an individual clinical provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (CW024762) and active in the NPI registry since February 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1346004926
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameGRETA LAVONNE GRIERCredential: LCSW, MLSW, CADC
Location Address3900 WOODLAND AVEPhiladelphia, PA 19104-4551
Mailing Address3900 Woodland AvePhiladelphia, PA 19104-4551 · (215) 823-5800
Phone(215) 823-5800
Sole ProprietorYes
Enumeration DateFebruary 13, 2024
Last NPPES UpdateDecember 3, 20254 updates tracked since enumeration
NPPES CertifiedDecember 3, 2025
✔ NPI 1346004926 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 PA · CW024762
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 · Addiction (Substance Use Disorder)Taxonomy 101YA0400X · License 8729 (PA)
Also ListedSocial WorkerTaxonomy 104100000X · License SW137757 (PA)
3900 WOODLAND AVE, Philadelphia, PA 19104
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Other Names 1

Former Name (1)Greta Lavonne King Lmsw, Cadc

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Greta Lavonne Grier Lcsw, Mlsw, Cadc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 19104 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 $59.88 – $180.99
Typical copayment $0.00 (range $14.97 – $45.24)
Most-billed visit code NA
Established Patient
$74.47 typical visit price
range $19.30 – $147.29
Typical copayment $18.61 (range $4.82 – $36.82)
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.

MEREDITH A SPINDLER MD
Psychiatry & Neurology (Neurology)
3900 WOODLAND AVE, PADRECC, #127
PHILADELPHIA, PA 19104
Philadelphia County (215) 823-5800
DENIS MICHAEL CAREY LCSW
Social Worker (Clinical)
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Philadelphia County (267) 292-7700
RONALD ANDREW SPOTTS CAADC
Counselor (Addiction (Substance Use Disorder))
3900 WOODLAND AVE, ADDICTION RECOVERY UNIT 7TH FLOOR
PHILADELPHIA, PA 19104
Philadelphia County (215) 823-5800
CAROL BUHRMAN RD
Dietitian, Registered (Nutrition, Gerontological)
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Philadelphia County (215) 823-5800
MS. CARLA PATRICE CLEMENTS RN, CRNP
Nurse Practitioner (Acute Care)
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Philadelphia County (215) 823-5800
DR. FAUZIA HUSSAIN PHARM.D.
Pharmacist (Pharmacotherapy)
3900 WOODLAND AVE, PHARMACY SERVICE #119
PHILADELPHIA, PA 19104
Philadelphia County (215) 823-4153
MR. FREDRICK W CLAUSS MPT
Physical Therapist
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Philadelphia County (215) 823-5800
DR. LEAH C JONES M.D.
Internal Medicine
3900 WOODLAND AVE
PHILADELPHIA, PA 19104
Philadelphia County (215) 823-5967

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 Grier's NPI number?

The NPI number for Greta Grier is 1346004926. It was assigned to this individual provider in the NPPES registry on February 13, 2024. The provider is also known as Greta Lavonne King Lmsw, Cadc.

Where is Greta Grier located?

Greta Grier practices at 3900 Woodland Ave, Philadelphia, PA 19104. The listed phone number is (215) 823-5800.

What is Greta Grier's specialty?

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

Is Greta Grier enrolled in Medicare?

Yes. Greta Grier is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Greta Grier was last updated on December 3, 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.