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MR. KENNETH GREIFF LCSW
NPI 1033367297
Social Worker - Clinical in Philadelphia, PA

Active since August 29, 2008PECOS EnrolledAccepts Medicare Assignment
2400 CHESTNUT ST., HARMONY MENTAL HEALTH SERVICES, INC., PHILADELPHIA, PA 19103(215) 568-5903 Get Directions Write a Review

NPPES record last updated: June 5, 2009. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mr. Kenneth Greiff Lcsw NPPES

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

MR. KENNETH GREIFF LCSW (NPI 1033367297) is an individual clinical provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (15122138) and active in the NPI registry since August 2008. He is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1033367297
Entity TypeIndividualMale
Primary Taxonomy1041C0700X
Provider Legal NameMR. KENNETH GREIFFCredential: LCSW
Location Address2400 CHESTNUT ST., HARMONY MENTAL HEALTH SERVICES, INC.Philadelphia, PA 19103
Mailing Address1400 Reed StPhiladelphia, PA 19146-4823 · (215) 755-0500
Phone(215) 568-5903
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateAugust 29, 2008
Last NPPES UpdateJune 5, 2009
✔ NPI 1033367297 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 PA · 15122138
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.
2400 CHESTNUT ST., Philadelphia, PA 19103
Open in Google Maps ↗

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

Mr. Kenneth Greiff 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 ID4789731555
PECOS Enrollment IDI20090414000139
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

2

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

Harmony Mental Health Services Inc.
Same address
Counseling
2400 CHESTNUT ST
Philadelphia, PA 19103
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 4 clinicians in this Medicare group
NPI 1477500510 (215) 568-5900
Citizen's Acting Together Can Help, Inc.
1.5 mi
Adult Mental Health
1400 REED ST
Philadelphia, PA 19146
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 5 clinicians in this Medicare group
NPI 1396715009 (215) 755-0500

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 19103 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

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

ANTHONY ROBERT CARLINO MD
Psychiatry & Neurology (Psychiatry)
2400 CHESTNUT ST., #1503
PHILADELPHIA, PA 19103
Philadelphia County (267) 574-0044

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 Kenneth Greiff's NPI number?

The NPI number for Kenneth Greiff is 1033367297. It was assigned to this individual provider in the NPPES registry on August 29, 2008.

Where is Kenneth Greiff located?

Kenneth Greiff practices at 2400 Chestnut St. Harmony Mental Health Services, Inc., Philadelphia, PA 19103. The listed phone number is (215) 568-5903.

What is Kenneth Greiff's specialty?

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

Is Kenneth Greiff enrolled in Medicare?

Yes. Kenneth Greiff 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 organizations bill Medicare for Kenneth Greiff's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kenneth Greiff reassigns Medicare benefits to 2 organizations: Harmony Mental Health Services Inc. (Philadelphia, PA) and Citizen's Acting Together Can Help, Inc. (Philadelphia, PA). Each 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 Kenneth Greiff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Kenneth Greiff was last updated on June 5, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.