TZYYNONG LIOU FRIESEN M.D.
NPI 1952740177
Otolaryngology in San Diego, CA

Active since June 20, 2013PECOS Enrolled
3030 CHILDRENS WAY, SAN DIEGO, CA 92123(858) 309-7701 Get Directions Write a Review

NPPES record last updated: July 12, 2019. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Jul 12, 2019, Jun 10, 2019, Jun 20, 2018 (3 updates tracked since 2018).

About Tzyynong Liou Friesen M.d. NPPES

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

TZYYNONG LIOU FRIESEN M.D. (NPI 1952740177) is an individual otolaryngology provider in San Diego, California, licensed in California (A152327) and active in the NPI registry since June 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1952740177
Entity TypeIndividualFemale
Primary Taxonomy207Y00000X
Provider Legal NameTZYYNONG LIOU FRIESENCredential: M.D.
Location Address3030 CHILDRENS WAYSan Diego, CA 92123-4232
Mailing Address3020 Childrens Way # Mc5003San Diego, CA 92123-4223 · (858) 309-6300
Sole ProprietorNo
Enumeration DateJune 20, 2013
Last NPPES UpdateJuly 12, 20193 updates tracked since enumeration
NPI 1952740177 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
License Licensed in CA · A152327
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
3030 CHILDRENS WAY, San Diego, CA 92123

Other Names 1

Former Name (1)Tzyy-nong Liou

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Tzyynong Liou Friesen M.d. 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 92123 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
$140.22 typical visit price
range $62.10 – $184.71
Typical copayment $35.05 (range $15.52 – $46.17)
Most-billed visit code 99204
Established Patient
$76.87 typical visit price
range $20.62 – $151.42
Typical copayment $19.21 (range $5.15 – $37.85)
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.

Allergy & Immunology
3030 CHILDRENS WAY
SAN DIEGO, CA 92123
Orthopaedic Surgery
3030 CHILDRENS WAY
SAN DIEGO, CA 92123
Orthopaedic Surgery
3030 CHILDRENS WAY, SUITE 410
SAN DIEGO, CA 92123
Ophthalmology
3030 CHILDRENS WAY, SUITE 109
SAN DIEGO, CA 92123
Pediatrics (Pediatric Gastroenterology)
3030 CHILDRENS WAY
SAN DIEGO, CA 92123
Pediatrics
3030 CHILDRENS WAY, SUITE 213
SAN DIEGO, CA 92123
Orthopaedic Surgery
3030 CHILDRENS WAY, SUITE 410
SAN DIEGO, CA 92123
Nurse Practitioner (Pediatrics)
3030 CHILDRENS WAY, STE 410
SAN DIEGO, CA 92123

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 Tzyynong Friesen's NPI number?

The NPI number for Tzyynong Friesen is 1952740177. It was assigned to this individual provider in the NPPES registry on June 20, 2013. The provider is also known as Tzyy-Nong Liou.

Where is Tzyynong Friesen located?

Tzyynong Friesen practices at 3030 Childrens Way, San Diego, CA 92123. The listed phone number is (858) 309-7701.

What is Tzyynong Friesen's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Tzyynong Friesen enrolled in Medicare?

Yes. Tzyynong Friesen is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Tzyynong Friesen was last updated on July 12, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.