Jacob Lomonaco, MD
Emergency Medicine Physician · Seattle, WA
Jacob Lomonaco, MD is an emergency medicine physician with a practice address in Seattle, Washington, and NPI 1184120347, issued on Apr 4, 2018. Check the license (Washington MD61439861, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Jacob Lomonaco
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- MD61439861 WA
23888 NV
MD218229 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1959 NE Pacific St, Seattle, WA 98195
- Phone
- (206) 543-3654
- Enumerated
- Apr 4, 2018
- Record last updated
- Feb 23, 2026
- Medicare enrollment
- Enrolled (PECOS I20231107000275); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2018
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,459 in Washington → Look up another NPI →
Also registered at 1959 NE Pacific St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jacob Lomonaco in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61439861Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average emergency medicine physician in 2024
163 Medicare Part D claims for 99 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Methylprednisolone17 claims
- Sulfamethoxazole-Trimethoprim15 claims
- Cephalexin13 claims
- Ondansetron Odt13 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 practice group's MIPS final score for 2023 (Medicare payment program): 91.4 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Shadow Emergency Physicians PLLCLas Vegas, NV
- University Medical Center OF Southern NevadaLas Vegas, NV
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jacob Lomonaco among 1,459 emergency medicine physician records in Washington
Jacob Lomonaco, MD 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 2018, is newer than 85% of them.
- NPI issued2018 · 85% of these records are older, 12% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2018 · median 2010 among the 851 with a school on file
- Record last updated2026 · 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
- Adeyinka Adedipe, M.D.Seattle, WA 981951942272984
- Mickey EisenbergSeattle, WA 981951578653432
- Shari Engstrom, MDSeattle, WA 981951154367118
- Kathleen JobeSeattle, WA 981951487744348
- William Lober, MDSeattle, WA 981951619919792
- Martin Makela, MDSeattle, WA 981951114992302
- William McMullen, M.D.Seattle, WA 981951295825156
- Carin OlsonSeattle, WA 981951386734234
Common questions
What is Jacob Lomonaco, MD's NPI number?
Jacob Lomonaco, MD's National Provider Identifier (NPI) is 1184120347, issued on Apr 4, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Jacob Lomonaco, MD located?
The NPPES record lists a practice address at 1959 NE Pacific St, Seattle, WA, 98195. Phone: (206) 543-3654. Providers update this record themselves, so call before visiting.
How can I verify Jacob Lomonaco, MD's license?
NPPES lists Washington license number MD61439861, 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 Jacob Lomonaco, MD prescribe under Medicare Part D?
In 2024, Jacob Lomonaco, MD had 163 Medicare Part D claims for 99 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
What is Jacob Lomonaco, MD's MIPS final score?
The 2023 MIPS final score is 91.4 of 100, reported for the practice group. 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.