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

DR. DEREK MICHAEL GUIRAND M.D.
NPI 1699905034
Preventive Medicine - Preventive Medicine/Occupational Environmental Medicine in West Chester, PA

Q: What is Derek Guirand's NPI number?

The NPI number for Derek Guirand is 1699905034. It was assigned to this individual provider in the NPPES registry on July 20, 2009.

Q: What is Derek Guirand's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Preventive Medicine/Occupational Environmental Medicine, with taxonomy code 2083P0500X.

Q: When was this NPI record last updated?

The NPPES record for Derek Guirand was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 54 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 July 20, 2009

915 OLD FERN HILL RD STE 3, WEST CHESTER, PA 19380(610) 738-2450 Get Directions Write a Review

NPPES record last updated: June 18, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 3, 2023, Sep 11, 2020 (2 updates tracked since 2020).

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About Dr. Derek Michael Guirand M.d. NPPES

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

DR. DEREK MICHAEL GUIRAND M.D. (NPI 1699905034) is an individual preventive medicine/occupational environmental medicine provider in West Chester, Pennsylvania, licensed in Pennsylvania (MD444344) and active in the NPI registry since July 2009. He maintains a secondary practice location in Bryn Mawr.

NPPES Registry Identity

NPI1699905034

Entity TypeIndividualMale

Primary Taxonomy2083P0500X

Provider Legal NameDR. DEREK MICHAEL GUIRANDCredential: M.D.

Location Address915 OLD FERN HILL RD STE 3West Chester, PA 19380-4269

Mailing Address915 Old Fern Hill Rd Ste 3West Chester, PA 19380-4269 · (267) 854-9900

Phone(610) 738-2450

Sole ProprietorYes

Enumeration DateJuly 20, 2009

Last NPPES UpdateJune 18, 20262 updates tracked since enumeration

NPPES CertifiedJune 18, 2026

✔ NPI 1699905034 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPreventive Medicine · Preventive Medicine/Occupational Environmental MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2083P0500X

License✔ Licensed in PA · MD444344

Definition

A preventive medicine physician who specializes in preventive medicine/occupational-environmental medicine, which is focused on protecting the population from occupational and environmental conditions.

Also ListedSurgeryTaxonomy 208600000X · License MD444344 (PA)

Also ListedGeneral PracticeTaxonomy 208D00000X · License MD444344 (PA)

915 OLD FERN HILL RD STE 3, West Chester, PA 19380

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Secondary Practice Location 1

Location 1130 S Bryn Mawr AveBryn Mawr, PA 19010-3121 · Phone (267) 854-9900

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 Derek Guirand's NPI number?

The NPI number for Derek Guirand is 1699905034. It was assigned to this individual provider in the NPPES registry on July 20, 2009.

Where is Derek Guirand located?

Derek Guirand practices at 915 Old Fern Hill Rd Ste 3, West Chester, PA 19380. The listed phone number is (610) 738-2450.

What is Derek Guirand's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Preventive Medicine/Occupational Environmental Medicine, with taxonomy code 2083P0500X.

When was this NPI record last updated?

The NPPES record for Derek Guirand was last updated on June 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 54 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.