GREGORY J WIENER M D PROFESSIONAL CORPORATION
NPI 1376728287
Clinic/Center in Chula Vista, CA
About Gregory J Wiener M D Professional Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GREGORY J WIENER M D PROFESSIONAL CORPORATION (NPI 1376728287) is a healthcare organization registered as a clinic/center in Chula Vista, California and active in the NPI registry since January 2008. The organization lists Patrick H Sweet, Ceo, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Gregory J Wiener M D Professional Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
4Medicare enrollment records show 4 clinicians reassign Medicare billing to Gregory J Wiener M D Professional Corporation, which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.
Clinicians, nearest first (4)
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 Gregory J Wiener M D Professional Corporation's NPI number?
The NPI number for Gregory J Wiener M D Professional Corporation is 1376728287. It was assigned to this organization in the NPPES registry on January 9, 2008.
Where is Gregory J Wiener M D Professional Corporation located?
Gregory J Wiener M D Professional Corporation is located at 353 Church Ave Ste A, Chula Vista, CA 91910. The listed phone number is (619) 585-8883.
What is Gregory J Wiener M D Professional Corporation's specialty?
The primary specialty registered for this NPI is Clinic/Center with taxonomy code 261Q00000X.
Is Gregory J Wiener M D Professional Corporation enrolled in Medicare?
Yes. Gregory J Wiener M D Professional Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Gregory J Wiener M D Professional Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 4 clinicians reassign their Medicare billing to Gregory J Wiener M D Professional Corporation, in Family Practice, Gastroenterology and Nurse Practitioner. 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. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Gregory J Wiener M D Professional Corporation was last updated on February 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Gregory J Wiener M D Professional Corporation · NPI 1376728287
Clinic/Center organization in Chula Vista, California. Organization record, active in the CMS NPPES registry since January 9, 2008.
## Identity
- **NPI:** 1376728287 (Entity type: Organization)
- **Enumerated:** January 9, 2008
- **Primary specialty:** Clinic/Center · taxonomy 261Q00000X
- **Organization subpart:** No
- **Authorized official:** Patrick Sweet, CEO
## Practice location
- **Address:** 353 CHURCH AVE STE A, Chula Vista, CA 91910-3906
- **Phone:** (619) 585-8883
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 4 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Gastroenterology (2), Family Practice (1), Nurse Practitioner (1); 1 practice at this address and 2 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** February 26, 2025
- **Other identifiers:** Medicaid 00A417490 (CA); Other W22034 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1376728287) · Data from the CMS NPPES public registry.