DANVILLE-SAN RAMON EYE MEDICAL CORP
NPI 1437146206
Ophthalmology in Danville, CA
About Danville-san Ramon Eye Medical Corp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DANVILLE-SAN RAMON EYE MEDICAL CORP (NPI 1437146206), doing business as Roger A Greenwald Md Inc, is a healthcare organization registered as an ophthalmology in Danville, California and active in the NPI registry since October 2005. The organization lists Claudia Susana Pinilla, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 3
Group Practice 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Danville-san Ramon Eye Medical Corp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by October 31, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
4Medicare enrollment records show 4 clinicians reassign Medicare billing to Danville-San Ramon Eye Medical Corp, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 3 within 10 miles. They are listed nearest first.
Clinicians, nearest first (4)
Danville, CA 94526
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Danville-San Ramon Eye Medical Corp's NPI number?
The NPI number for Danville-San Ramon Eye Medical Corp is 1437146206. It was assigned to this organization in the NPPES registry on October 5, 2005. The provider was formerly known as Roger A Greenwald MD Inc.
Where is Danville-San Ramon Eye Medical Corp located?
Danville-San Ramon Eye Medical Corp is located at 909 San Ramon Valley Blvd Ste 114, Danville, CA 94526. The listed phone number is (925) 837-6428.
What is Danville-San Ramon Eye Medical Corp's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is Danville-San Ramon Eye Medical Corp enrolled in Medicare?
Yes. Danville-San Ramon Eye Medical Corp is registered in the Medicare PECOS enrollment system.
When is Danville-San Ramon Eye Medical Corp's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by October 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Danville-San Ramon Eye Medical Corp?
According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians in 2 Medicare specialties reassign their Medicare billing to Danville-San Ramon Eye Medical Corp. A 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 the clinician's services. The largest specialties are Ophthalmology (3) and Optometry (1). Of these, 2 practice at this address and 3 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Danville-San Ramon Eye Medical Corp accept?
Health plans from BlueCross BlueShield of Tennessee list Danville-San Ramon Eye Medical Corp 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 Danville-San Ramon Eye Medical Corp was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Danville-San Ramon Eye Medical Corp · NPI 1437146206
Ophthalmology organization in Danville, California. Organization record, active in the CMS NPPES registry since October 5, 2005.
## Identity
- **NPI:** 1437146206 (Entity type: Organization)
- **Enumerated:** October 5, 2005
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **Organization subpart:** No
- **Authorized official:** Claudia Pinilla, PRESIDENT
## Practice location
- **Address:** 909 SAN RAMON VALLEY BLVD, STE 114, Danville, CA 94526-4038
- **Phone:** (925) 837-6428 · **Fax:** (925) 837-1403
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** October 31, 2026 (Non-DME Part B, California, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 4 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Ophthalmology (3), Optometry (1); 2 practice at this address and 3 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 21, 2022
- **Other identifiers:** Other ZZZ57540Z (CA); Medicaid GR0084620 (CA); Other CS4583 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1437146206) · Data from the CMS NPPES public registry.