DR. STEVEN PARIS POSNER M.D.
NPI 1083684872
Surgery - Vascular Surgery in Bellflower, CA
About Dr. Steven Paris Posner M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEVEN PARIS POSNER M.D. (NPI 1083684872) is an individual vascular surgery provider in Bellflower, California, licensed in California (A82743) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of State University Of New York At Buffalo School Of Medicine (1996).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 3
Other Identifiers 3
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. Steven Paris Posner M.d. 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
3Medicare enrollment records show Steven Posner reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
La Mirada, CA 90638
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Beverly Radiology Medical Group Iii
- Also billed through NPI 1093998122 (California)
- 349 clinicians in this Medicare group
Los Angeles, CA 90017
- Reassigned Medicare billing, California enrollment
- 4 clinicians in this Medicare group
Garden Grove, CA 92840
- Reassigned Medicare billing, California enrollment
- 3 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 12
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 90706 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 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BELLFLOWER, CA 90706
BELLFLOWER, CA 90706
BELLFLOWER, CA 90706
BELLFLOWER, CA 90706
BELLFLOWER, CA 90706
BELLFLOWER, CA 90706
BELLFLOWER, CA 90706
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 Steven Posner's NPI number?
The NPI number for Steven Posner is 1083684872. It was assigned to this individual provider in the NPPES registry on January 24, 2006.
Where is Steven Posner located?
Steven Posner practices at 16506 Lakewood Blvd Ste 200, Bellflower, CA 90706. The listed phone number is (562) 888-8961.
What is Steven Posner's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.
Is Steven Posner enrolled in Medicare?
Yes. Steven Posner 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 Steven Posner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Posner reassigns Medicare benefits to 3 organizations: Beverly Radiology Medical Group (La Mirada, CA), Pacific Vascucare, Inc. (Los Angeles, CA) and Orange County Vascular Access, A Medical Corporation (Garden Grove, 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 Steven Posner'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 Steven Posner was last updated on July 13, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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. Steven Paris Posner, M.D. · NPI 1083684872
Vascular Surgery physician in Bellflower, California. Individual provider, active in the CMS NPPES registry since January 24, 2006.
## Identity
- **NPI:** 1083684872 (Entity type: Individual)
- **Enumerated:** January 24, 2006
- **Primary specialty:** Surgery - Vascular Surgery · taxonomy 2086S0129X
- **State license:** A82743 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 16506 LAKEWOOD BLVD STE 200, Bellflower, CA 90706-5165
- **Phone:** (562) 888-8961 · **Fax:** (562) 888-8962
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Beverly Radiology Medical Group (NPI 1184981409, La Mirada, CA); Pacific Vascucare, Inc. (NPI 1578882965, Los Angeles, CA); Orange County Vascular Access, A Medical Corporation (NPI 1346420783, Garden Grove, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York At Buffalo School Of Medicine, class of 1996
## Record status
- **NPPES last updated:** July 13, 2023
- **Other identifiers:** Medicaid GR0093510 (CA); Medicaid 00A827430 (CA); Medicaid 1083684872 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1083684872) · Data from the CMS NPPES public registry.