NISREEN MESIWALA KOTHARI MD
NPI 1730445644
Ophthalmology in San Leandro, CA
About Nisreen Mesiwala Kothari Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NISREEN MESIWALA KOTHARI MD (NPI 1730445644) is an individual ophthalmology provider in San Leandro, California, licensed in California (A144488) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Michigan Medical School (2011).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Accepted Insurance
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
Nisreen Mesiwala Kothari 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 Reassignment
Medicare enrollment records show Nisreen Kothari reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Castro Valley, CA 94546
- Reassigned Medicare billing, California enrollment
- 4 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.
Areas of Expertise CMS Part B claims 17
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 94578 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SAN LEANDRO, CA 94578
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 Nisreen Kothari's NPI number?
The NPI number for Nisreen Kothari is 1730445644. It was assigned to this individual provider in the NPPES registry on April 4, 2012.
Where is Nisreen Kothari located?
Nisreen Kothari practices at 15051 Hesperian Blvd Ste A, San Leandro, CA 94578. The listed phone number is (510) 276-1212.
What is Nisreen Kothari's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Nisreen Kothari enrolled in Medicare?
Yes. Nisreen Kothari 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 organization bills Medicare for Nisreen Kothari's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nisreen Kothari reassigns Medicare benefits to Eye Specialties Medical Group Inc. (Castro Valley, 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 Nisreen Kothari's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nisreen Kothari accept?
Health plans from Providence Health Plan list Nisreen Kothari as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Nisreen Kothari was last updated on July 23, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Nisreen Mesiwala Kothari, MD · NPI 1730445644
Ophthalmology physician in San Leandro, California. Individual provider, active in the CMS NPPES registry since April 4, 2012.
## Identity
- **NPI:** 1730445644 (Entity type: Individual)
- **Enumerated:** April 4, 2012
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** A144488 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 15051 HESPERIAN BLVD STE A, San Leandro, CA 94578
- **Phone:** (510) 276-1212
## 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:** Eye Specialties Medical Group Inc. (NPI 1568030260, Castro Valley, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Michigan Medical School, class of 2011
## Record status
- **NPPES last updated:** July 23, 2018
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Source: [NPI Profile](https://npiprofile.com/npi/1730445644) · Data from the CMS NPPES public registry.