Martha Ellen Corcoran, M.D.
Otolaryngology Physician · Fairfield, CA
Martha Ellen Corcoran, M.D. is an otolaryngology physician with a practice address in Fairfield, California, and NPI 1063487825, issued on Feb 22, 2006. Check the license (California G064295, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Martha Ellen Corcoran
- Credential
- M.D.
- Primary taxonomy
- Otolaryngology Physician 207Y00000X
- License number
- G064295 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2702 Low CT, Fairfield, CA 94534
- Phone
- (707) 427-4900
- Enumerated
- Feb 22, 2006
- Record last updated
- Jun 12, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 00G642950 CA
- Medicare enrollment
- Enrolled (PECOS I20091027000248); accepts Medicare assignment
- Medical or professional school
- Virginia Commonwealth University, School Of Medicine, 1987
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest otolaryngology physician records → All 1,212 in California → Look up another NPI →
Also registered at 2702 Low CT
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mina AfnanPhysician Assistant1023889672
- Kareen Caragan, P.T.Physical Therapist1750462982
- Charo Castro, PTAPhysical Therapy Assistant1881775013
- Lawrence Chan, M.D.Gastroenterology Physician1356558332
- Julie Chen, M.D.Ophthalmology Physician1740303064
- Kyle Cunningham, LVNLicensed Vocational Nurse1447182142
Verify Martha Ellen Corcoran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G064295Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average otolaryngology physician in 2024
482 Medicare Part D claims for 151 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. 13 claims were for opioids.
Most prescribed
- Omeprazole50 claims
- Ipratropium Bromide45 claims
- Fluticasone Propionate37 claims
- Famotidine35 claims
- Meclizine Hcl22 claims
- Nystatin22 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.
Industry payments in 2024: $68.00
2 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. The 6,429 providers of this specialty with any payment received $1,922.50 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 one group practice
- Sutter Valley Medical FoundationFairfield, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Martha Ellen Corcoran among 1,212 otolaryngology physician records in California
Martha Ellen Corcoran, M.D. is one of 1,212 otolaryngology physician records with a practice address in California. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 52% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1987 · median 2004 among the 818 with a school on file
- Record last updated2015 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Otolaryngology Physician providers in California
There are 1,212 otolaryngology physician records in California.
All 1,212 in California → Every provider in Fairfield → Otolaryngology Physician nationwide →
The 8 otolaryngology physician records with the nearest ZIP codes
- Michael Pfisterer, M.D.Fairfield, CA 945341124319470
- Vishal Doctor, MDTravis Afb, CA 945351437133741
- Alex LukeTravis Afb, CA 945351487249199
- Christian Pingree, M.D.Fairfield, CA 945351801259957
- Justin Wei, MDTravis Afb, CA 945351508246703
- Murray Woolf, MDFairfield, CA 945331073531356
- Scott Chiang, MDFremont, CA 945381619052370
- Dale Elleson, DOFremont, CA 945381740226000
Common questions
What is Martha Ellen Corcoran, M.D.'s NPI number?
Martha Ellen Corcoran, M.D.'s National Provider Identifier (NPI) is 1063487825, issued on Feb 22, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Martha Ellen Corcoran, M.D. located?
The NPPES record lists a practice address at 2702 Low CT, Fairfield, CA, 94534. Phone: (707) 427-4900. Providers update this record themselves, so call before visiting.
How can I verify Martha Ellen Corcoran, M.D.'s license?
NPPES lists California license number G064295, 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 Martha Ellen Corcoran, M.D. prescribe under Medicare Part D?
In 2024, Martha Ellen Corcoran, M.D. had 482 Medicare Part D claims for 151 beneficiaries; the average among otolaryngology physician prescribers was 541. Part D covers Medicare prescriptions only.
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.