NABEEL M NAJMUDDIN M.D.
NPI 1619325321
Hospitalist in Los Angeles, CA
About Nabeel M Najmuddin M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NABEEL M NAJMUDDIN M.D. (NPI 1619325321) is an individual hospitalist provider in Los Angeles, California, licensed in California (A158398) and active in the NPI registry since June 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 2
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
Nabeel M Najmuddin 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
4Medicare enrollment records show Nabeel Najmuddin reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 2,445 clinicians in this Medicare group
Thousand Oaks, CA 91360
- Reassigned Medicare billing, California enrollment
- 36 clinicians in this Medicare group
Thousand Oaks, CA 91360
- Reassigned Medicare billing, California enrollment
- 30 clinicians in this Medicare group
San Bernardino, CA 92404
- Reassigned Medicare billing, California enrollment
- 1,216 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 5
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 90033 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
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
LOS ANGELES, CA 90033
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 Nabeel Najmuddin's NPI number?
The NPI number for Nabeel Najmuddin is 1619325321. It was assigned to this individual provider in the NPPES registry on June 3, 2016.
Where is Nabeel Najmuddin located?
Nabeel Najmuddin practices at 1520 San Pablo St Ste 1000, Los Angeles, CA 90033. The listed phone number is (323) 442-5100.
What is Nabeel Najmuddin's specialty?
The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.
Is Nabeel Najmuddin enrolled in Medicare?
Yes. Nabeel Najmuddin 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 Nabeel Najmuddin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nabeel Najmuddin reassigns Medicare benefits to 4 organizations: Usc Care Medical Group, Inc (Los Angeles, CA), Jaspreet Somal M.D., A.P.C. (Thousand Oaks, CA), Life Medical Practitioners (Thousand Oaks, CA) and Inpatient Specialists Of California, PC (San Bernardino, 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 Nabeel Najmuddin'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 Nabeel Najmuddin was last updated on February 4, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Nabeel M Najmuddin, M.D. · NPI 1619325321
Hospitalist physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since June 3, 2016.
## Identity
- **NPI:** 1619325321 (Entity type: Individual)
- **Enumerated:** June 3, 2016
- **Primary specialty:** Hospitalist · taxonomy 208M00000X
- **State license:** A158398 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1520 SAN PABLO ST STE 1000, Los Angeles, CA 90033-5312
- **Phone:** (323) 442-5100
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Usc Care Medical Group, Inc (NPI 1902846306, Los Angeles, CA); Jaspreet Somal M.D., A.P.C. (NPI 1154917318, Thousand Oaks, CA); Life Medical Practitioners (NPI 1821799164, Thousand Oaks, CA); Inpatient Specialists Of California, PC (NPI 1952792475, San Bernardino, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** February 4, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1619325321) · Data from the CMS NPPES public registry.