DR. MICHAEL ARTHUR SINGER
NPI 1700806957
Obstetrics & Gynecology in Oxnard, CA
About Dr. Michael Arthur Singer NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL ARTHUR SINGER (NPI 1700806957) is an individual obstetrics & gynecology provider in Oxnard, California, licensed in California (A83633) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Michael Arthur Singer is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Michael Singer reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oxnard, CA 93036
- Reassigned Medicare billing, California enrollment
- 216 clinicians in this Medicare group
Santa Clara, CA 95051
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 842 clinicians in this Medicare group
Novato, CA 94949
- Reassigned Medicare billing, California enrollment
- 111 clinicians in this Medicare group
Greenville, SC 29607
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Obhg California PC
- 711 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 93036 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 16
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OXNARD, CA 93036
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 Michael Singer's NPI number?
The NPI number for Michael Singer is 1700806957. It was assigned to this individual provider in the NPPES registry on July 20, 2006.
Where is Michael Singer located?
Michael Singer practices at 2600 E Vineyard Ave, Oxnard, CA 93036. The listed phone number is (805) 436-3444.
What is Michael Singer's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Michael Singer enrolled in Medicare?
Yes. Michael Singer is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Michael Singer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Singer reassigns Medicare benefits to 5 organizations: Clinicas Del Camino Real Inc (Oxnard, CA), Permanente Medical Group Inc (Santa Clara, CA), University Of California Sfgh Medical Group (San Francisco, CA), Prima Medical Foundation (Novato, CA) and Obhg California, P.C. (Greenville, SC). 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 Michael Singer'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 Michael Singer was last updated on September 9, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.