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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

JOHN D'ALONZO MA
NPI 1447022934
Counselor - Professional in Swarthmore, PA

Active since October 27, 2023
1601 PARKLANE RD, SWARTHMORE, PA 19081(610) 328-2165 Get Directions Write a Review

NPPES record last updated: August 7, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Aug 7, 2026, Jul 28, 2026, Jul 25, 2026 and 2 more (5 updates tracked since 2023).

About John D'alonzo Ma NPPES

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

JOHN D'ALONZO MA (NPI 1447022934) is an individual professional provider in Swarthmore, Pennsylvania, licensed in Pennsylvania (PC020752) and active in the NPI registry since October 2023. He maintains a secondary practice location in Media.

NPPES Registry Identity

NPI1447022934
Entity TypeIndividualMale
Primary Taxonomy101YP2500X
Provider Legal NameJOHN D'ALONZOCredential: MA
Location Address1601 PARKLANE RDSwarthmore, PA 19081-2331
Mailing Address14 S Orange StMedia, PA 19063-2605 · (215) 416-2348
Phone(610) 328-2165
Sole ProprietorYes
Enumeration DateOctober 27, 2023
Last NPPES UpdateAugust 7, 20265 updates tracked since enumeration
NPPES CertifiedAugust 7, 2026
✔ NPI 1447022934 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in PA · PC020752
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License PC020752 (PA)
1601 PARKLANE RD, Swarthmore, PA 19081
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Secondary Practice Location 1

Location 114 S Orange StMedia, PA 19063-2605 · Phone (215) 416-2348

Other Providers at the Same Location NPPES 3

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

TAYLOR DICKSON
Counselor (Mental Health)
1601 PARKLANE RD
SWARTHMORE, PA 19081
Delaware County (267) 357-2707
HORIZON HOUSE, INC.
Community/Behavioral Health
1601 PARKLANE RD
SWARTHMORE, PA 19081
Delaware County (610) 328-2044
DR. SHERI LYNN HOLLANDER M.D.
Psychiatry & Neurology (Psychiatry)
1601 PARKLANE RD
SWARTHMORE, PA 19081
Delaware County (610) 328-2044

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 John D'alonzo's NPI number?

The NPI number for John D'alonzo is 1447022934. It was assigned to this individual provider in the NPPES registry on October 27, 2023.

Where is John D'alonzo located?

John D'alonzo practices at 1601 Parklane Rd, Swarthmore, PA 19081. The listed phone number is (610) 328-2165.

What is John D'alonzo's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

When was this NPI record last updated?

The NPPES record for John D'alonzo was last updated on August 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 days 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.