1. Home
  2. Directory
  3. Pennsylvania
  4. Phoenixville
  5. Counselor
  6. NPI Profile

ISIAH ALLEN
NPI 1285440347
Counselor - Mental Health in Phoenixville, PA

Active since December 04, 2024PECOS Enrolled
601 GAY STREET, PHOENIXVILLE, PA 19460(610) 917-2200 Get Directions Write a Review

NPPES record last updated: December 4, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Isiah Allen NPPES

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

ISIAH ALLEN (NPI 1285440347) is an individual mental health provider in Phoenixville, Pennsylvania, licensed in Pennsylvania (23-2835448) and active in the NPI registry since December 2024. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1285440347
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameISIAH ALLEN
Location Address601 GAY STREETPhoenixville, PA 19460-3852
Mailing Address601 Gay StPhoenixville, PA 19460-3852
Phone(610) 917-2200
Sole ProprietorNo
Enumeration DateDecember 4, 2024
NPPES CertifiedDecember 4, 2024
✔ NPI 1285440347 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in PA · 23-2835448
Also ListedCounselor · ProfessionalTaxonomy 101YP2500X · License 23-2707806 (PA)
601 GAY STREET, Phoenixville, PA 19460
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 (PECOS)

Isiah Allen 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.

Medicare Billing Reassignments

2

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

Penn Psychiatric Center Inc
Same address
Community/Behavioral Health
601 GAY ST
Phoenixville, PA 19460
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 10 clinicians in this Medicare group
NPI 1952481616 (610) 917-2200
Grow Healthcare Group PA
1,025 mi
Mental Health
66 W FLAGLER ST STE 900
Miami, FL 33130
  • Reassigned Medicare billing, Pennsylvania enrollment
  • 833 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.

Other Providers at the Same Location NPPES

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

MS. ALISON HELEN BERGER MSW, LSW
Social Worker
601 GAY STREET, SUITE 8
PHOENIXVILLE, PA 19460
Chester County (610) 917-2200

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 Isiah Allen's NPI number?

The NPI number for Isiah Allen is 1285440347. It was assigned to this individual provider in the NPPES registry on December 4, 2024.

Where is Isiah Allen located?

Isiah Allen practices at 601 Gay Street, Phoenixville, PA 19460. The listed phone number is (610) 917-2200.

What is Isiah Allen's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Isiah Allen enrolled in Medicare?

Yes. Isiah Allen is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Isiah Allen's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Isiah Allen reassigns Medicare benefits to 2 organizations: Penn Psychiatric Center Inc (Phoenixville, PA) and Grow Healthcare Group PA (Miami, FL). 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 Isiah Allen'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 Isiah Allen was last updated on December 4, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.