William Ej Horgan, M.D., FACEP, FAAP
Pediatric Emergency Medicine (Emergency Medicine) Physician · Farmington, CT
William Ej Horgan, M.D., FACEP, FAAP is a pediatric emergency medicine (emergency medicine) physician with a practice address in Farmington, Connecticut, and NPI 1548268634, issued on Jul 12, 2005. Check the license (Connecticut 038803, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- William Ej Horgan
- Credential
- M.D., FACEP, FAAP
- Primary taxonomy
- Pediatric Emergency Medicine (Emergency Medicine) Physician 207PP0204X
- License number
- 038803 CT
Self-reported in NPPES; status is on the state search - Practice location
- 263 Farmington Ave, Farmington, CT 06030
- Phone
- (860) 679-3486
- Enumerated
- Jul 12, 2005
- Record last updated
- Sep 11, 2025
- Entity
- Type 1 · individual
8 nearest pediatric emergency medicine (emergency medicine) physician records → All 9 in Connecticut → Look up another NPI →
Also registered at 263 Farmington Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Omar Abdelatey, DDSStudent in an Organized Health Care Education/Training Program1700672789
- Samira AbdelrehimStudent in an Organized Health Care Education/Training Program1225823743
- Reham AbdelsalamStudent in an Organized Health Care Education/Training Program1578143707
- Ezzat Abdoun, DDSStudent in an Organized Health Care Education/Training Program1962630905
- Arif Salman Abdul Shakore, B.D.S., M.D.S.Student in an Organized Health Care Education/Training Program1750797387
Verify William Ej Horgan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 038803Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.4 times the Medicare Part D claims of the average pediatric emergency medicine (emergency medicine) physician in 2024
212 Medicare Part D claims for 145 beneficiaries, against an average of 89 among the 103 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 28 claims were for opioids.
Most prescribed
- Oxycodone Hcl24 claims
- Doxycycline Hyclate22 claims
- Prednisone16 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): 92.2 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).
Pediatric Emergency Medicine (Emergency Medicine) Physician providers in Connecticut
There are 9 pediatric emergency medicine (emergency medicine) physician records in Connecticut.
All 9 in Connecticut → Every provider in Farmington → Pediatric Emergency Medicine (Emergency Medicine) Physician nationwide →
The 8 pediatric emergency medicine (emergency medicine) physician records with the nearest ZIP codes
- Michael Soltis, MDHartford, CT 061061144433723
- Linda Arnold, MDNew Haven, CT 065101245213040
- Allen Hsiao, MDNew Haven, CT 065101497738603
- Michael Goldman, M.D.New Haven, CT 065111649597279
- Thomas Lee, M.D.Bridgeport, CT 066101457707051
- Kurt Myers, MDWaterbury, CT 067061760408538
- Angela Quatrocelli, MDWaterbury, CT 067061598798704
- Caroline Black, M.D.Greenwich, CT 068301023351079
Common questions
What is William Ej Horgan, M.D., FACEP, FAAP's NPI number?
William Ej Horgan, M.D., FACEP, FAAP's National Provider Identifier (NPI) is 1548268634, issued on Jul 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is William Ej Horgan, M.D., FACEP, FAAP located?
The NPPES record lists a practice address at 263 Farmington Ave, Farmington, CT, 06030. Phone: (860) 679-3486. Providers update this record themselves, so call before visiting.
How can I verify William Ej Horgan, M.D., FACEP, FAAP's license?
NPPES lists Connecticut license number 038803, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Ej Horgan, M.D., FACEP, FAAP prescribe under Medicare Part D?
In 2024, William Ej Horgan, M.D., FACEP, FAAP had 212 Medicare Part D claims for 145 beneficiaries; the average among pediatric emergency medicine (emergency medicine) physician prescribers was 89. Part D covers Medicare prescriptions only.
What is William Ej Horgan, M.D., FACEP, FAAP's MIPS final score?
The 2023 MIPS final score is 92.2 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.