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KAREN TRIANDAFYLLIS NP
NPI 1659599983
Nurse Practitioner - Psychiatric/Mental Health in San Francisco, CA

Active since April 23, 2007PECOS Enrolled
995 POTRERO AVE, WARD 93, SAN FRANCISCO GENERAL HOSPITAL, OTOP, SAN FRANCISCO, CA 94110(628) 206-6522(628) 206-4153 Get Directions Write a Review

NPPES record last updated: October 9, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Oct 9, 2025, Sep 17, 2025 (2 updates tracked since 2025).

About Karen Triandafyllis Np NPPES

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

KAREN TRIANDAFYLLIS NP (NPI 1659599983) is an individual psychiatric/mental health provider in San Francisco, California, licensed in California (NP 18093) and active in the NPI registry since April 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1659599983
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameKAREN TRIANDAFYLLISCredential: NP
Location Address995 POTRERO AVE, WARD 93, SAN FRANCISCO GENERAL HOSPITAL, OTOPSan Francisco, CA 94110
Mailing Address995 Potrero Ave, Ward 93, San Francisco General Hospital, OtopSan Francisco, CA 94110 · (628) 206-6522 · Fax (628) 206-4153
Phone(628) 206-6522
Fax(628) 206-4153
Sole ProprietorNo
Enumeration DateApril 23, 2007
Last NPPES UpdateOctober 9, 20252 updates tracked since enumeration
NPPES CertifiedOctober 9, 2025
✔ NPI 1659599983 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
Licenses✔ Licensed in CA · NP 18093✔ Licensed in NY · 401013
995 POTRERO AVE, WARD 93, San Francisco, CA 94110
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Karen Triandafyllis Np 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 94110 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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 Karen Triandafyllis's NPI number?

The NPI number for Karen Triandafyllis is 1659599983. It was assigned to this individual provider in the NPPES registry on April 23, 2007.

Where is Karen Triandafyllis located?

Karen Triandafyllis practices at 995 Potrero Ave, Ward 93 San Francisco General Hospital, Otop, San Francisco, CA 94110. The listed phone number is (628) 206-6522.

What is Karen Triandafyllis's specialty?

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

Is Karen Triandafyllis enrolled in Medicare?

Yes. Karen Triandafyllis is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Karen Triandafyllis was last updated on October 9, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.