Diana Marilu Herrera, M.D.
Emergency Medicine Physician · Seattle, WA
Diana Marilu Herrera, M.D. is an emergency medicine physician with a practice address in Seattle, Washington, and NPI 1023339959, issued on Jun 15, 2010. Check the license (Washington MD60946416, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Diana Marilu Herrera
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- MD60946416 WA
269604 NY
Self-reported in NPPES; status is on the state search - Practice location
- 125 16TH Ave E, Seattle, WA 98112
- Phone
- (718) 901-8918
- Enumerated
- Jun 15, 2010
- Record last updated
- Jul 21, 2022
- Medicare enrollment
- Enrolled (PECOS I20190925000562); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,459 in Washington → Look up another NPI →
Also registered at 125 16TH Ave E
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Abraham Alvarado-Gonzalez, MDNeurological Surgery Physician1346642501
Verify Diana Marilu Herrera in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD60946416Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average emergency medicine physician in 2024
76 Medicare Part D claims for 49 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of 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.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF WashingtonSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diana Marilu Herrera among 1,459 emergency medicine physician records in Washington
Diana Marilu Herrera, M.D. is one of 1,459 emergency medicine physician records with a practice address in Washington. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 64% of them.
- NPI issued2010 · 64% of these records are older, 34% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2010 · median 2010 among the 851 with a school on file
- Record last updated2022 · 62% 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 Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Washington
There are 1,459 emergency medicine physician records in Washington.
All 1,459 in Washington → Every provider in Seattle → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jennifer Aviles, MDSeattle, WA 981121215926761
- Marni Bonnin, MDSeattle, WA 981121326089707
- Julie Buck, MDSeattle, WA 981121346280484
- Lisa Cooper, M.D.Seattle, WA 981121609834084
- Jeffrey Faragher, MDSeattle, WA 981121326073172
- Peggy Goldman, MDSeattle, WA 981121760438345
- Arwyn Hood, M.D.Seattle, WA 981121588714273
- Ashley Johnson, MDSeattle, WA 981121841360294
Common questions
What is Diana Marilu Herrera, M.D.'s NPI number?
Diana Marilu Herrera, M.D.'s National Provider Identifier (NPI) is 1023339959, issued on Jun 15, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Diana Marilu Herrera, M.D. located?
The NPPES record lists a practice address at 125 16TH Ave E, Seattle, WA, 98112. Phone: (718) 901-8918. Providers update this record themselves, so call before visiting.
How can I verify Diana Marilu Herrera, M.D.'s license?
NPPES lists Washington license number MD60946416, 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 Diana Marilu Herrera, M.D. prescribe under Medicare Part D?
In 2024, Diana Marilu Herrera, M.D. had 76 Medicare Part D claims for 49 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.