Martha Corcoran, M.D.
NPI 1063487825 · Otolaryngology Physician · Fairfield, CA
Enrolled with Medicare as Practitioner - Otolaryngology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Martha Corcoran, M.D. is a Otolaryngology Physician provider in Fairfield, CA (NPI 1063487825).
Provider details
- NPI number
- 1063487825
- Entity type
- Individual
- Primary specialty
- Otolaryngology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- G064295 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
793 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Removal of Impacted Ear Wax69210 | 236 | $53 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 131 | $104 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 129 | $146 |
| Established Patient Office Or Other Outpatient Visit With Straightforward Medical Decision Making, If Using Time, 10 Minutes Or More99212 | 59 | $66 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 53 | $204 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 50 | 15 |
| Ipratropium Bromide | 45 | 19 |
| Fluticasone Propionate | 37 | 24 |
| Famotidine | 35 | — |
| Meclizine Hcl | 22 | — |
| Nystatin | 22 | — |
| Pantoprazole Sodium | 22 | — |
| Hydrocortisone | 21 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$68 across 2 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-22
- Last updated
- 2015-06-12
Frequently asked questions
- What is Martha Corcoran's NPI number?
- Martha Corcoran's National Provider Identifier (NPI) is 1063487825, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Martha Corcoran's specialty?
- Martha Corcoran is listed in the NPPES registry with a primary specialty of Otolaryngology Physician (Allopathic & Osteopathic Physicians).
- Where is Martha Corcoran located?
- Martha Corcoran's practice location on file with NPPES is 2702 Low Ct, Fairfield, CA 94534-9771.
- What is Martha Corcoran's phone number?
- The practice phone number listed in the NPPES registry for Martha Corcoran is (707) 427-4900.
- Does Martha Corcoran accept Medicare?
- Martha Corcoran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Martha Corcoran's NPI active?
- Yes — Martha Corcoran's NPI (1063487825) is active in the NPPES registry as of the last update on 2015-06-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.