Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Hailyn Nielsen

Individual provider Rheumatology Physician · NPI 1306230669

Hailyn Nielsen is a Rheumatology in San Francisco, California. Graduated from University of Washington School of Medicine in 2015, 11 years ago. Practices with Regents of the University of California, a 717-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
11
Trained at
University of Washington School of Medicine
Licensed in
CA
In the registry since
2015
Claim this listing Report a problem Suggest an edit

Practice location Address checks out

505 Parnassus Ave Rm 987
San Francisco, CA 94143-0119
Phone: (415) 476-1528
Fax: (415) 502-1976
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence A148465 (CA)

Record details

NPI number1306230669
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedMarch 25, 2015
Last updated in NPPESJuly 15, 2026
Certification dateJuly 15, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRHEUMATOLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 2015 (11 years in practice)
Group practice Regents Of The University Of California — 717 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations7 on file with Medicare

Other providers in San Francisco