DR. SHAUN SHIV SINGH DO
NPI 1871054684
Internal Medicine in Downey, CA
About Dr. Shaun Shiv Singh Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SHAUN SHIV SINGH DO (NPI 1871054684) is an individual internal medicine provider in Downey, California, licensed in California (20A19788) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Orange, and is a graduate of College Of Osteo Med Of The Pacific At Pomona (2019).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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. Shaun Shiv Singh Do 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 Reassignment
Medicare enrollment records show Shaun Singh reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Los Angeles, CA 90015
- Reassigned Medicare billing, California enrollment
- 2,052 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 90241 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 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DOWNEY, CA 90241
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 Shaun Singh's NPI number?
The NPI number for Shaun Singh is 1871054684. It was assigned to this individual provider in the NPPES registry on March 26, 2019.
Where is Shaun Singh located?
Shaun Singh practices at 10441 Lakewood Blvd Ste Ab, Downey, CA 90241. The listed phone number is (714) 443-4512.
What is Shaun Singh's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Shaun Singh enrolled in Medicare?
Yes. Shaun Singh 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 organization bills Medicare for Shaun Singh's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shaun Singh reassigns Medicare benefits to Healthcare Partners Affiliates Medical Group (Los Angeles, CA). The 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 Shaun Singh'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 Shaun Singh was last updated on November 28, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. Shaun Shiv Singh, DO · NPI 1871054684
Internal Medicine physician in Downey, California. Individual provider, active in the CMS NPPES registry since March 26, 2019.
## Identity
- **NPI:** 1871054684 (Entity type: Individual)
- **Enumerated:** March 26, 2019
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 20A19788 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 10441 LAKEWOOD BLVD STE AB, Downey, CA 90241-2744
- **Phone:** (714) 443-4512
## 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:** Healthcare Partners Affiliates Medical Group (NPI 1659312593, Los Angeles, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** College Of Osteo Med Of The Pacific At Pomona, class of 2019
## Record status
- **NPPES last updated:** November 28, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1871054684) · Data from the CMS NPPES public registry.