Maria Ann Corcorran, MD
Internal Medicine Physician · Seattle, WA
Maria Ann Corcorran, MD is an internal medicine physician with a practice address in Seattle, Washington, and NPI 1003159013, issued on Mar 28, 2013. Check the license (Washington MD60588296, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Maria Ann Corcorran
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD60588296 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1550 N 115TH St, Seattle, WA 98133
- Phone
- (206) 520-5000
- Enumerated
- Mar 28, 2013
- Record last updated
- May 12, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160419000765); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 1550 N 115TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Maria Ann Corcorran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60588296Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
70% fewer Medicare Part D claims than the average internal medicine physician in 2024
955 Medicare Part D claims for 59 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 27 claims were for opioids.
Most prescribed
- Biktarvy73 claims
- Descovy46 claims
- Tivicay45 claims
- Lisinopril42 claims
- Rosuvastatin Calcium36 claims
- Ibuprofen26 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): 93.1 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).
Bills Medicare through one group practice
- The Association OF University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maria Ann Corcorran among 3,079 internal medicine physician records in Washington
Maria Ann Corcorran, MD is one of 3,079 internal medicine physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 71% of them.
- NPI issued2013 · 71% of these records are older, 27% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2013 · median 2006 among the 1,852 with a school on file
- Record last updated2020 · 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 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
821 internal medicine physician records list a practice address in Seattle
They are 821 of the 41,956 NPPES records with a practice address in Seattle, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Seattle → Internal Medicine Physician nationwide →
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- Thomas King, M.D.Seattle, WA 981331669449062
- Alexander Krajina, MDSeattle, WA 981331508842394
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Common questions
What is Maria Ann Corcorran, MD's NPI number?
Maria Ann Corcorran, MD's National Provider Identifier (NPI) is 1003159013, issued on Mar 28, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Maria Ann Corcorran, MD located?
The NPPES record lists a practice address at 1550 N 115TH St, Seattle, WA, 98133. Phone: (206) 520-5000. Providers update this record themselves, so call before visiting.
How can I verify Maria Ann Corcorran, MD's license?
NPPES lists Washington license number MD60588296, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Maria Ann Corcorran, MD prescribe under Medicare Part D?
In 2024, Maria Ann Corcorran, MD had 955 Medicare Part D claims for 59 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Maria Ann Corcorran, MD's MIPS final score?
The 2023 MIPS final score is 93.1 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.