DR. MARK D HERNANDEZ
NPI 1952454449
Emergency Medicine - Emergency Medical Services in Camp Pendleton, CA
About Dr. Mark D Hernandez NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK D HERNANDEZ (NPI 1952454449) is an individual emergency medical services provider in Camp Pendleton, California, licensed in Virginia (0101056186) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Medicine (1996).
NPPES Registry Identity
Specialties & Licenses
Other Names 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. Mark D Hernandez 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 Mark Hernandez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chula Vista, CA 91910
- Reassigned Medicare billing, California enrollment
- 44 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 92055 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.
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 Mark Hernandez's NPI number?
The NPI number for Mark Hernandez is 1952454449. It was assigned to this individual provider in the NPPES registry on January 19, 2007. The provider is also known as Dr. Mark D Hernandez MD.
Where is Mark Hernandez located?
Mark Hernandez practices at Bldg, H100, Santa Margarita Road, Camp Pendleton, CA 92055. The listed phone number is (760) 725-8882.
What is Mark Hernandez's specialty?
The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.
Is Mark Hernandez enrolled in Medicare?
Yes. Mark Hernandez 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 Mark Hernandez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Hernandez reassigns Medicare benefits to Chula Vista Emergency Room Physicians, A Medical Corporation (Chula Vista, 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 Mark Hernandez'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 Mark Hernandez was last updated on April 18, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.