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

DR. GREGORY STEVEN CHEN DO
NPI 1851145536
Psychiatry & Neurology - Psychiatry in Bethlehem, PA

Q: What is Gregory Chen's NPI number?

The NPI number for Gregory Chen is 1851145536. It was assigned to this individual provider in the NPPES registry on April 17, 2024.

Q: What is Gregory Chen's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Chen was last updated on September 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since April 17, 2024PECOS Enrolled

2545 SCHOENERSVILLE RD FL 5, BETHLEHEM, PA 18017(973) 951-8575 Get Directions Write a Review

NPPES record last updated: September 4, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Sep 4, 2026, Apr 17, 2024 (2 updates tracked since 2024).

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About Dr. Gregory Steven Chen Do NPPES

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

DR. GREGORY STEVEN CHEN DO (NPI 1851145536) is an individual psychiatry provider in Bethlehem, Pennsylvania, licensed in Pennsylvania (OS025919) and active in the NPI registry since April 2024. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1851145536

Entity TypeIndividualMale

Primary Taxonomy2084P0800X

Provider Legal NameDR. GREGORY STEVEN CHENCredential: DO

Location Address2545 SCHOENERSVILLE RD FL 5Bethlehem, PA 18017-7300

Mailing Address2545 Schoenersville Rd Fl 5Bethlehem, PA 18017-7300

Phone(973) 951-8575

Sole ProprietorYes

Enumeration DateApril 17, 2024

Last NPPES UpdateSeptember 4, 20262 updates tracked since enumeration

NPPES CertifiedSeptember 4, 2026

✔ NPI 1851145536 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians

Taxonomy Code2084P0800X

License✔ Licensed in PA · OS025919

Definition

A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

2545 SCHOENERSVILLE RD FL 5, Bethlehem, PA 18017

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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Gregory Steven Chen Do 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 18017 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

$166.87 typical visit price

range $54.64 – $166.87

Typical copayment $41.71 (range $13.66 – $41.71)

Most-billed visit code 99205

Established Patient

$68.36 typical visit price

range $17.33 – $135.84

Typical copayment $17.09 (range $4.33 – $33.96)

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.

STACY MARIE SPADT LCSW

Social Worker (Clinical)