Tzyynong Friesen, M.D.
NPI 1952740177 · Otolaryngology Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tzyynong Friesen, M.D. is a Otolaryngology Physician provider in San Diego, CA (NPI 1952740177).
Provider details
- NPI number
- 1952740177
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A152327 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
13 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-06-20
- Last updated
- 2019-07-12
Frequently asked questions
- What is Tzyynong Friesen's NPI number?
- Tzyynong Friesen's National Provider Identifier (NPI) is 1952740177, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tzyynong Friesen's specialty?
- Tzyynong Friesen is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Tzyynong Friesen located?
- Tzyynong Friesen's practice location on file with NPPES is 3030 Childrens Way, San Diego, CA 92123-4232.
- What is Tzyynong Friesen's phone number?
- The practice phone number listed in the NPPES registry for Tzyynong Friesen is (858) 309-7701.
- Does Tzyynong Friesen accept Medicare?
- Tzyynong Friesen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tzyynong Friesen's NPI active?
- Yes — Tzyynong Friesen's NPI (1952740177) is active in the NPPES registry as of the last update on 2019-07-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.