DR. MATTHEW LI MD, MPH
NPI 1609337617
Internal Medicine in Pasadena, CA
About Dr. Matthew Li Md, Mph NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MATTHEW LI MD, MPH (NPI 1609337617) is an individual internal medicine provider in Pasadena, California, licensed in California (A183100) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Brooklyn, and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
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
Dr. Matthew Li Md, Mph 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 4
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 91105 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.
PASADENA, CA 91105
PASADENA, CA 91105
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 Matthew Li's NPI number?
The NPI number for Matthew Li is 1609337617. It was assigned to this individual provider in the NPPES registry on March 31, 2019.
Where is Matthew Li located?
Matthew Li practices at 100 W California Blvd, Pasadena, CA 91105. The listed phone number is (626) 352-1444.
What is Matthew Li's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Matthew Li enrolled in Medicare?
Yes. Matthew Li 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 Matthew Li was last updated on July 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Dr. Matthew Li, MD, MPH · NPI 1609337617
Internal Medicine physician in Pasadena, California. Individual provider, active in the CMS NPPES registry since March 31, 2019.
## Identity
- **NPI:** 1609337617 (Entity type: Individual)
- **Enumerated:** March 31, 2019
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A183100 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 W CALIFORNIA BLVD, Pasadena, CA 91105-3010
- **Phone:** (626) 352-1444
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** July 8, 2025
---
Source: [NPI Profile](https://npiprofile.com/npi/1609337617) · Data from the CMS NPPES public registry.