SHIVA NANCY SHABNAM M.D.
NPI 1679802037
Internal Medicine in Downey, CA
About Shiva Nancy Shabnam M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHIVA NANCY SHABNAM M.D. (NPI 1679802037) is an individual internal medicine provider in Downey, California, licensed in California (A110335) and active in the NPI registry since December 2009. She is enrolled in Medicare PECOS and is a graduate of Other (2007).
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 and accepts Medicare assignment
Shiva Nancy Shabnam 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
5Medicare enrollment records show Shiva Shabnam reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90015
- Reassigned Medicare billing, California enrollment
- 2,052 clinicians in this Medicare group
Costa Mesa, CA 92626
- Reassigned Medicare billing, California enrollment
- 103 clinicians in this Medicare group
Costa Mesa, CA 92626
- Reassigned Medicare billing, California enrollment
- 194 clinicians in this Medicare group
Santa Barbara, CA 93105
- Reassigned Medicare billing, California enrollment
- 403 clinicians in this Medicare group
Union City, CA 94587
- Reassigned Medicare billing, California enrollment
- 13 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 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.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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
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 Shiva Shabnam's NPI number?
The NPI number for Shiva Shabnam is 1679802037. It was assigned to this individual provider in the NPPES registry on December 15, 2009.
Where is Shiva Shabnam located?
Shiva Shabnam practices at 10800 Paramount Blvd 406, Downey, CA 90241. The listed phone number is (562) 869-1070.
What is Shiva Shabnam's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Shiva Shabnam enrolled in Medicare?
Yes. Shiva Shabnam 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 Shiva Shabnam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shiva Shabnam reassigns Medicare benefits to 5 organizations: Healthcare Partners Affiliates Medical Group (Los Angeles, CA), Gn Medical Associates, Inc. (Costa Mesa, CA), Careconnectmd Ca PC (Costa Mesa, CA), Sansum Clinic (Santa Barbara, CA) and Mobile Care Medical Group, Inc (Union City, 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 Shiva Shabnam'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 Shiva Shabnam was last updated on May 12, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Shiva Nancy Shabnam, M.D. · NPI 1679802037
Internal Medicine physician in Downey, California. Individual provider, active in the CMS NPPES registry since December 15, 2009.
## Identity
- **NPI:** 1679802037 (Entity type: Individual)
- **Enumerated:** December 15, 2009
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A110335 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 10800 PARAMOUNT BLVD, 406, Downey, CA 90241-3331
- **Phone:** (562) 869-1070 · **Fax:** (562) 869-6317
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Healthcare Partners Affiliates Medical Group (NPI 1659312593, Los Angeles, CA); Gn Medical Associates, Inc. (NPI 1275576522, Costa Mesa, CA); Careconnectmd Ca PC (NPI 1366063125, Costa Mesa, CA); Sansum Clinic (NPI 1932121514, Santa Barbara, CA); Mobile Care Medical Group, Inc (NPI 1629642921, Union City, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** May 12, 2010
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Source: [NPI Profile](https://npiprofile.com/npi/1679802037) · Data from the CMS NPPES public registry.