Eric Martin Ernster, M.D.
Emergency Medicine Physician · Burlingame, CA
Eric Martin Ernster, M.D. is an emergency medicine physician with a practice address in Burlingame, California, and NPI 1326200999, issued on Jun 25, 2008. Check the license (California A109416, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Eric Martin Ernster
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A109416 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1501 Trousdale Dr, Burlingame, CA 94010
- Phone
- (650) 696-5446
- Enumerated
- Jun 25, 2008
- Record last updated
- Mar 11, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20110314000544); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2008
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 1501 Trousdale Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Eric Martin Ernster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A109416Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average emergency medicine physician in 2024
253 Medicare Part D claims for 213 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 32 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen25 claims
- Cephalexin24 claims
- Cefpodoxime Proxetil17 claims
- Meclizine Hcl16 claims
- Sulfamethoxazole-Trimethoprim16 claims
- Amoxicillin-Clavulanate Potass14 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 94.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Mills-Peninsula Emergency Medical Associates, IncBurlingame, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Eric Martin Ernster among 7,751 emergency medicine physician records in California
Eric Martin Ernster, M.D. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 50% of them.
- NPI issued2008 · 50% of these records are older, 46% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2008 · median 2011 among the 4,560 with a school on file
- Record last updated2013 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
27 emergency medicine physician records list a practice address in Burlingame
They are 27 of the 1,299 NPPES records with a practice address in Burlingame, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Burlingame → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Robert Argand, M.D.Burlingame, CA 940101811921224
- Barbie Barrett, M.D.Burlingame, CA 940101649200619
- Michael Bresler, M.D.Burlingame, CA 940101124052543
- Allan Brody, M.D.Burlingame, CA 940101124058193
- Sreeram Duriseti, M.D., PH.D.Burlingame, CA 940101659301646
- Tammy Foster, M.D.Burlingame, CA 940101700810140
- Bennett Gates, M.D.Burlingame, CA 940101396775300
- Daniel Guenin, M.D.Burlingame, CA 940101407886369
Common questions
What is Eric Martin Ernster, M.D.'s NPI number?
Eric Martin Ernster, M.D.'s National Provider Identifier (NPI) is 1326200999, issued on Jun 25, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Eric Martin Ernster, M.D. located?
The NPPES record lists a practice address at 1501 Trousdale Dr, Burlingame, CA, 94010. Phone: (650) 696-5446. Providers update this record themselves, so call before visiting.
How can I verify Eric Martin Ernster, M.D.'s license?
NPPES lists California license number A109416, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Eric Martin Ernster, M.D. prescribe under Medicare Part D?
In 2024, Eric Martin Ernster, M.D. had 253 Medicare Part D claims for 213 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Eric Martin Ernster, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.9 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.