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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

THELMA ARANDIA SILES MSN, CRNP, PMHNP-BC
NPI 1205741261
Nurse Practitioner - Psychiatric/Mental Health in Swarthmore, PA

Active since August 15, 2026
801 YALE AVE, SWARTHMORE, PA 19081(610) 420-4890 Get Directions Write a Review

NPPES record added: August 15, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Thelma Arandia Siles Msn, Crnp, Pmhnp-bc NPPES

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

THELMA ARANDIA SILES MSN, CRNP, PMHNP-BC (NPI 1205741261) is an individual psychiatric/mental health provider in Swarthmore, Pennsylvania, licensed in Pennsylvania (SP036179) and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1205741261
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameTHELMA ARANDIA SILESCredential: MSN, CRNP, PMHNP-BC
Location Address801 YALE AVESwarthmore, PA 19081-1808
Mailing Address801 Yale Ave Apt 409Swarthmore, PA 19081-1821 · (610) 420-4890
Phone(610) 420-4890
Sole ProprietorNo
Enumeration DateAugust 15, 2026
NPPES CertifiedAugust 15, 2026
✔ NPI 1205741261 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in PA · SP036179
801 YALE AVE, Swarthmore, PA 19081
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Other Providers at the Same Location NPPES 4

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

DR. LAURA MINSK-KARELLOS D.M.D.
Dentist (Periodontics)
801 YALE AVE, SUITE 619
SWARTHMORE, PA 19081
Delaware County (610) 892-1120
DR. THOMAS LAWRENCE CHERMOL JR. DDS
Dentist (General Practice)
801 YALE AVE, SUITE 518
SWARTHMORE, PA 19081
Delaware County (610) 328-0520
SWARTHMORE DENTAL ASSOCIATES, LLC
Clinic/Center (Dental)
801 YALE AVE, SUITE 619
SWARTHMORE, PA 19081
Delaware County (610) 328-4817
DR. NIKOLAOS DIMITRIOS KARELLOS D.M.D.
Dentist (Prosthodontics)
801 YALE AVE, SUITE 619
SWARTHMORE, PA 19081
Delaware County (610) 892-1120

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 Thelma Arandia Siles's NPI number?

The NPI number for Thelma Arandia Siles is 1205741261. It was assigned to this individual provider in the NPPES registry on August 15, 2026.

Where is Thelma Arandia Siles located?

Thelma Arandia Siles practices at 801 Yale Ave, Swarthmore, PA 19081. The listed phone number is (610) 420-4890.

What is Thelma Arandia Siles's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

When was this NPI record last updated?

The NPPES record for Thelma Arandia Siles was last updated on August 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.