Elizabeth Marilyn McNamara, M.D.
Emergency Medicine Physician · South Lake Tahoe, CA
Elizabeth Marilyn McNamara, M.D. is an emergency medicine physician with a practice address in South Lake Tahoe, California, and NPI 1881957355, issued on Jun 20, 2012. Check the license (California A155032, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Marilyn McNamara
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- A155032 CA
276853 NY
17582 NV
Self-reported in NPPES; status is on the state search - Practice location
- Barton Memorial Hospital, South Lake Tahoe, CA 96150
- Phone
- (530) 541-3420
- Enumerated
- Jun 20, 2012
- Record last updated
- Aug 29, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20180801000956); accepts Medicare assignment
- Medical or professional school
- Js Weill Medical College, Cornell University, 2012
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Verify Elizabeth Marilyn McNamara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A155032Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
21% fewer Medicare Part D claims than the average emergency medicine physician in 2024
179 Medicare Part D claims for 88 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims.
Most prescribed
- Buprenorphine-Naloxone44 claims
- Cephalexin11 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 MIPS final score for 2023 (Medicare payment program): 91.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $26.97
1 payment: food and beverage; the largest payer was Alkermes, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Barton Healthcare SystemSouth Lake Tahoe, CA
- Tahoe Emergency Physicians Medical CorporationSouth Lake Tahoe, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Elizabeth Marilyn McNamara among 7,751 emergency medicine physician records in California
Elizabeth Marilyn McNamara, 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 2012, is newer than 63% of them.
- NPI issued2012 · 63% of these records are older, 34% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2012 · median 2011 among the 4,560 with a school on file
- Record last updated2018 · 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).
20 emergency medicine physician records list a practice address in South Lake Tahoe
They are 20 of the 568 NPPES records with a practice address in South Lake Tahoe, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in South Lake Tahoe → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Amy Anton, MDSouth Lake Tahoe, CA 961501235392861
- Allison Brewer, MDSouth Lake Tahoe, CA 961501508876228
- Lars Ensign, MDSouth Lake Tahoe, CA 961501750389862
- William Green, MDSouth Lake Tahoe, CA 961501871591099
- Thomas Jantos, MDSouth Lake Tahoe, CA 961501639176415
- Dennis Martinez, MDSouth Lake Tahoe, CA 961501730169111
- Clinton Masterson, M.D.South Lake Tahoe, CA 961501407067168
- Corey Mc Leod, MDSouth Lake Tahoe, CA 961501679621619
Common questions
What is Elizabeth Marilyn McNamara, M.D.'s NPI number?
Elizabeth Marilyn McNamara, M.D.'s National Provider Identifier (NPI) is 1881957355, issued on Jun 20, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Marilyn McNamara, M.D. located?
The NPPES record lists a practice address at Barton Memorial Hospital, South Lake Tahoe, CA, 96150. Phone: (530) 541-3420. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Marilyn McNamara, M.D.'s license?
NPPES lists California license number A155032, 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 Elizabeth Marilyn McNamara, M.D. prescribe under Medicare Part D?
In 2024, Elizabeth Marilyn McNamara, M.D. had 179 Medicare Part D claims for 88 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Elizabeth Marilyn McNamara, M.D.'s MIPS final score?
The 2023 MIPS final score is 91.6 of 100. 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.