AMMAR ALNASER M.D.
NPI 1073909370
Internal Medicine - Nephrology in Mission Hills, CA
About Ammar Alnaser M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
AMMAR ALNASER M.D. (NPI 1073909370) is an individual nephrology provider in Mission Hills, California, licensed in California (A151516) and active in the NPI registry since April 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2003).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Ammar Alnaser 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 Reassignment
Medicare enrollment records show Ammar Alnaser reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Mission Hills, CA 91345
- Reassigned Medicare billing, California enrollment
- 22 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 10
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 91345 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 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
MISSION HILLS, CA 91345
MISSION HILLS, CA 91345
MISSION HILLS, CA 91345
MISSION HILLS, CA 91345
MISSION HILLS, CA 91345
MISSION HILLS, CA 91345
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 Ammar Alnaser's NPI number?
The NPI number for Ammar Alnaser is 1073909370. It was assigned to this individual provider in the NPPES registry on April 13, 2015.
Where is Ammar Alnaser located?
Ammar Alnaser practices at 11550 Indian Hills Rd Ste 371, Mission Hills, CA 91345. The listed phone number is (818) 365-1194.
What is Ammar Alnaser's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Ammar Alnaser enrolled in Medicare?
Yes. Ammar Alnaser 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 Ammar Alnaser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ammar Alnaser reassigns Medicare benefits to Kidney Consultants Medical Group, Inc (Mission Hills, 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 Ammar Alnaser'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 Ammar Alnaser was last updated on February 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Ammar Alnaser, M.D. · NPI 1073909370
Nephrology physician in Mission Hills, California. Individual provider, active in the CMS NPPES registry since April 13, 2015.
## Identity
- **NPI:** 1073909370 (Entity type: Individual)
- **Enumerated:** April 13, 2015
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **State license:** A151516 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 11550 INDIAN HILLS RD STE 371, Mission Hills, CA 91345-1252
- **Phone:** (818) 365-1194 · **Fax:** (818) 898-3835
## 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:** Kidney Consultants Medical Group, Inc (NPI 1427120682, Mission Hills, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2003
## Record status
- **NPPES last updated:** February 3, 2021
- **Other identifiers:** Other CB351467 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1073909370) · Data from the CMS NPPES public registry.