DR. ERIC MARTIN ERNSTER M.D.
NPI 1326200999
Emergency Medicine in Burlingame, CA
About Dr. Eric Martin Ernster M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ERIC MARTIN ERNSTER M.D. (NPI 1326200999) is an individual emergency medicine provider in Burlingame, California, licensed in California (A109416) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS and is a graduate of Harvard Medical School (2008).
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
Dr. Eric Martin Ernster 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 Eric Ernster reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Burlingame, CA 94010
- Reassigned Medicare billing, California enrollment
- 45 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 7
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 94010 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BURLINGAME, CA 94010
BURLINGAME, CA 94010
BURLINGAME, CA 94010
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 Eric Ernster's NPI number?
The NPI number for Eric Ernster is 1326200999. It was assigned to this individual provider in the NPPES registry on June 25, 2008.
Where is Eric Ernster located?
Eric Ernster practices at 1501 Trousdale Dr Emergency Department, Burlingame, CA 94010. The listed phone number is (650) 696-5446.
What is Eric Ernster's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Eric Ernster enrolled in Medicare?
Yes. Eric Ernster 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 Eric Ernster's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Eric Ernster reassigns Medicare benefits to Mills Peninsula Emergency Medical Associates Inc (Burlingame, 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 Eric Ernster'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 Eric Ernster was last updated on March 11, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Dr. Eric Martin Ernster, M.D. · NPI 1326200999
Emergency Medicine physician in Burlingame, California. Individual provider, active in the CMS NPPES registry since June 25, 2008.
## Identity
- **NPI:** 1326200999 (Entity type: Individual)
- **Enumerated:** June 25, 2008
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A109416 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1501 TROUSDALE DR, EMERGENCY DEPARTMENT, Burlingame, CA 94010-4506
- **Phone:** (650) 696-5446
## 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:** Mills Peninsula Emergency Medical Associates Inc (NPI 1841226529, Burlingame, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Harvard Medical School, class of 2008
## Record status
- **NPPES last updated:** March 11, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1326200999) · Data from the CMS NPPES public registry.