HAILYN NIELSEN
NPI 1306230669
Internal Medicine - Rheumatology in San Francisco, CA
About Hailyn Nielsen NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
HAILYN NIELSEN (NPI 1306230669) is an individual rheumatology provider in San Francisco, California, licensed in California (A148465) and active in the NPI registry since March 2015. She is enrolled in Medicare PECOS and is a graduate of University Of Washington School Of Medicine (2015).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Hailyn Nielsen is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94143 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
SAN FRANCISCO, CA 94143
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 Hailyn Nielsen's NPI number?
The NPI number for Hailyn Nielsen is 1306230669. It was assigned to this individual provider in the NPPES registry on March 25, 2015.
Where is Hailyn Nielsen located?
Hailyn Nielsen practices at 505 Parnassus Ave Room 987, San Francisco, CA 94143. The listed phone number is (415) 476-1528.
What is Hailyn Nielsen's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.
Is Hailyn Nielsen enrolled in Medicare?
Yes. Hailyn Nielsen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
When was this NPI record last updated?
The NPPES record for Hailyn Nielsen was last updated on July 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.
