SAMUEL J PORTER M D A MEDICAL CORPORATION
NPI 1033285820
Obstetrics & Gynecology in Los Angeles, CA
About Samuel J Porter M D A Medical Corporation NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SAMUEL J PORTER M D A MEDICAL CORPORATION (NPI 1033285820) is a healthcare organization registered as an obstetrics & gynecology in Los Angeles, California and active in the NPI registry since November 2006. The organization holds a CLIA Microscopy certificate valid through August 31, 2028 and lists Adam Michael Porter, Attorney & Office Manager, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Samuel J Porter M D A Medical Corporation is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Samuel J Porter M D A Medical Corporation, which bills Medicare for the services this clinician delivers.
Clinician (1)
Los Angeles, CA 90004
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate for Provider-Performed Microscopy Procedures (PPMP) 05D0540423
Samuel J Porter MD A Medical Corp · Los Angeles, CAFrequently 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 Samuel J Porter M D A Medical Corporation's NPI number?
The NPI number for Samuel J Porter M D A Medical Corporation is 1033285820. It was assigned to this organization in the NPPES registry on November 26, 2006.
Where is Samuel J Porter M D A Medical Corporation located?
Samuel J Porter M D A Medical Corporation is located at 321 N Larchmont Blvd Suite 618, Los Angeles, CA 90004. The listed phone number is (323) 469-7133.
What is Samuel J Porter M D A Medical Corporation's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Samuel J Porter M D A Medical Corporation enrolled in Medicare?
Yes. Samuel J Porter M D A Medical Corporation is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Samuel J Porter M D A Medical Corporation?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Obstetrics/Gynecology) reassigns their Medicare billing to Samuel J Porter M D A Medical Corporation. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Samuel J Porter M D A Medical Corporation hold a CLIA laboratory certificate?
Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 05D0540423) is associated with this NPI, valid through August 31, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
When was this NPI record last updated?
The NPPES record for Samuel J Porter M D A Medical Corporation was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 29 days 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.
# Samuel J Porter M D A Medical Corporation · NPI 1033285820
Obstetrics & Gynecology organization in Los Angeles, California. Organization record, active in the CMS NPPES registry since November 26, 2006.
## Identity
- **NPI:** 1033285820 (Entity type: Organization)
- **Enumerated:** November 26, 2006
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **Organization subpart:** No
- **Authorized official:** Adam Porter, ATTORNEY & OFFICE MANAGER
## Practice location
- **Address:** 321 N LARCHMONT BLVD, SUITE 618, Los Angeles, CA 90004-3025
- **Phone:** (323) 469-7133 · **Fax:** (323) 469-7150
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Obstetrics/Gynecology) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 22, 2026
- **Other identifiers:** Medicaid 00A229160 (CA)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1033285820) · Data from the CMS NPPES public registry.