DR. CLARA JIAYUN MEN MD
NPI 1013376540
Ophthalmology in Stanford, CA
About Dr. Clara Jiayun Men Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. CLARA JIAYUN MEN MD (NPI 1013376540) is an individual ophthalmology provider in Stanford, California, licensed in California (A155664) and active in the NPI registry since February 2016. She is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (2016).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Clara Jiayun Men Md 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.
Medicare Billing Reassignments
2Medicare enrollment records show Clara Men reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Palo Alto, CA 94306
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1588721500 (California), NPI 1629301346 (California)
- 2,460 clinicians in this Medicare group
Redwood City, CA 94063
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94305 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.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Clara Men's NPI number?
The NPI number for Clara Men is 1013376540. It was assigned to this individual provider in the NPPES registry on February 11, 2016.
Where is Clara Men located?
Clara Men practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (858) 534-8858.
What is Clara Men's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Clara Men enrolled in Medicare?
Yes. Clara Men 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.
Which organizations bill Medicare for Clara Men's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Clara Men reassigns Medicare benefits to 2 organizations: County Of Santa Clara (Palo Alto, CA) and Permanente Medical Group Inc (Redwood City, CA). Each 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 Clara Men'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 Clara Men was last updated on March 27, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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. Clara Jiayun Men, MD · NPI 1013376540
Ophthalmology physician in Stanford, California. Individual provider, active in the CMS NPPES registry since February 11, 2016.
## Identity
- **NPI:** 1013376540 (Entity type: Individual)
- **Enumerated:** February 11, 2016
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** A155664 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (858) 534-8858
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): County Of Santa Clara (NPI 1144330614, Palo Alto, CA); Permanente Medical Group Inc (NPI 1639252604, Redwood City, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 2016
## Record status
- **NPPES last updated:** March 27, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1013376540) · Data from the CMS NPPES public registry.