MELANIE HARTENIAN MD
NPI 1598384752
Emergency Medicine in Los Angeles, CA
About Melanie Hartenian Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MELANIE HARTENIAN MD (NPI 1598384752) is an individual emergency medicine provider in Los Angeles, California, licensed in California (185386) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (2020).
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
Melanie Hartenian Md 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
7Medicare enrollment records show Melanie Hartenian reassigns Medicare billing to 7 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
- 169 clinicians in this Medicare group
Los Angeles, CA 90033
- Reassigned Medicare billing, California enrollment
- 100 clinicians in this Medicare group
Glendale, CA 91206
- Reassigned Medicare billing, California enrollment
- 49 clinicians in this Medicare group
Northridge, CA 91325
- Reassigned Medicare billing, California enrollment
- 137 clinicians in this Medicare group
Calabasas, CA 91302
- Reassigned Medicare billing, California enrollment
- 256 clinicians in this Medicare group
Simi Valley, CA 93065
- Reassigned Medicare billing, California enrollment
- 33 clinicians in this Medicare group
Bakersfield, CA 93301
- Reassigned Medicare billing, California enrollment
- 163 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 4
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 90015 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LOS ANGELES, CA 90015
LOS ANGELES, CA 90015
LOS ANGELES, CA 90015
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 Melanie Hartenian's NPI number?
The NPI number for Melanie Hartenian is 1598384752. It was assigned to this individual provider in the NPPES registry on April 8, 2020.
Where is Melanie Hartenian located?
Melanie Hartenian practices at 1401 S Grand Ave, Los Angeles, CA 90015. The listed phone number is (213) 748-2411.
What is Melanie Hartenian's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Melanie Hartenian enrolled in Medicare?
Yes. Melanie Hartenian 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 Melanie Hartenian's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melanie Hartenian reassigns Medicare benefits to 7 organizations: Golden State Emergency Physicians Inc (Los Angeles, CA), Victory Emergency Physicians Medical Group Inc (Los Angeles, CA), Glendale Adventist Emergency Physicians Incorporated (Glendale, CA), Ridgeline Emergency Physicians Medical Group, Inc. (Northridge, CA), Exer Medical Corporation (Calabasas, CA) and 2 more organizations, listed in the Medicare section above. 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 Melanie Hartenian'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 Melanie Hartenian was last updated on August 23, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.