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MIMI CHEN WUN LIN M.D.
NPI 1386608065
Specialist in Fremont, CA

Active since April 12, 2006PECOS Enrolled
100/100
CMS Quality Rating
39055 HASTINGS ST, 106A, FREMONT, CA 94538(510) 795-6990(510) 795-6989 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Mimi Chen Wun Lin M.d. NPPES

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

MIMI CHEN WUN LIN M.D. (NPI 1386608065) is an individual specialist in Fremont, California and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1386608065
Entity TypeIndividualFemale
Primary Taxonomy174400000X
Provider Legal NameMIMI CHEN WUN LINCredential: M.D.
Location Address39055 HASTINGS ST, 106AFremont, CA 94538-1518
Mailing Address155 Requa RdPiedmont, CA 94611-4037 · (510) 644-6487
Phone(510) 795-6990
Fax(510) 795-6989
Sole ProprietorNo
Enumeration DateApril 12, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1386608065 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
39055 HASTINGS ST, Fremont, CA 94538
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mimi Chen Wun Lin 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.

Medicare Billing Reassignment

Medicare enrollment records show Mimi Lin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Washington Radiologists Medical Group, Inc.
0.4 mi
Specialist
2000 MOWRY AVE
Fremont, CA 94538
  • Reassigned Medicare billing, California enrollment
  • 37 clinicians in this Medicare group
NPI 1851355622 (510) 797-3342

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality100
Improvement Activities40

Other Providers at the Same Location NPPES 7

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

INSIGHT HEALTH CORP
Physiological Laboratory
39055 HASTINGS ST, STE 106A
FREMONT, CA 94538
Alameda County (510) 796-7411
DR. JEANNIE CHUNG DDS
Dentist (Periodontics)
39055 HASTINGS ST, SUITE 104
FREMONT, CA 94538
Alameda County (510) 794-9954
CONNECTIONS A COUNSELING CENTER
Psychologist (Clinical)
39055 HASTINGS ST, SUITE 106
FREMONT, CA 94538
Alameda County (510) 789-3368
JEANNIE CHUNG, DDS, MS, INC
Dentist (Periodontics)
39055 HASTINGS ST, SUITE 104
FREMONT, CA 94538
Alameda County (510) 794-9954
DR. SWAPNA RAVEENDRANATH DDS
Dentist
39055 HASTINGS ST, SUITE 203
FREMONT, CA 94538
Alameda County (510) 791-3144
SWAPNA RAVEENDRANATH DENTAL CORPORATION
Health Maintenance Organization
39055 HASTINGS ST, SUITE 203
FREMONT, CA 94538
Alameda County (510) 791-3144
DR. ROLAND G. CHEW D.D.S.
Dentist (General Practice)
39055 HASTINGS ST, SUITE 203
FREMONT, CA 94538
Alameda County (510) 793-0300

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 Mimi Lin's NPI number?

The NPI number for Mimi Lin is 1386608065. It was assigned to this individual provider in the NPPES registry on April 12, 2006.

Where is Mimi Lin located?

Mimi Lin practices at 39055 Hastings St 106A, Fremont, CA 94538. The listed phone number is (510) 795-6990.

What is Mimi Lin's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Mimi Lin enrolled in Medicare?

Yes. Mimi Lin is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mimi Lin's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mimi Lin reassigns Medicare benefits to Washington Radiologists Medical Group, Inc. (Fremont, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mimi Lin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mimi Lin was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.