Updated October 2026

Emergency medicine physicians in Lewiston, ME

Emergency medicine
Lewiston, Maine

Emergency medicine physicians: 69
Linked to a hospital or group: 56
Hospitals with an emergency medicine physician: 17
Medical groups with an emergency medicine physician: 22
Practice at a hospital: 56

There are 69 emergency medicine physicians in Lewiston. BlueWater Emergency Partners has the most, 44, and Central Maine Medical Center has the most affiliated emergency medicine physicians, 49. 11% finished medical school 30 or more years ago.

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Lewiston emergency medicine physicians, listed A to Z by last name

Each emergency medicine physician on the list has emergency medicine as their primary specialty and a Lewiston practice address. The list shows the NPI, and how many hospitals and medical groups each one practices with. A free account names every hospital and group, with validated contacts.

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Lewiston emergency medicine physicians, A to Z
Emergency medicine physician	Hospitals	Medical groups	Email and phone
Brett Armstrong, DONPI 1942941562	4 hospitals	3 groups	Contacts
Charles Armstrong, MDNPI 1134191505	-	-	Contacts
Stephan O. Bamberger, MDNPI 1003881319	4 hospitals	12 groups	Contacts
Charles A. Bevan III, MDNPI 1164600904	2 hospitals	4 groups	Contacts
Sean Michael Bilodeau, DONPI 1366065955	4 hospitals	2 groups	Contacts
Michael Scott Blake, MD, MPHNPI 1225205230	3 hospitals	4 groups	Contacts
Sean Brian Byrne, DONPI 1518606086	2 hospitals	1 group	Contacts
Keaton Cameron-Burr, MDNPI 1194399477	4 hospitals	1 group	Contacts
Iris Chandler, MDNPI 1487067435	4 hospitals	5 groups	Contacts
Erin ClarkNPI 1487940888	4 hospitals	1 group	Contacts
Andre R. Couture, DONPI 1629231329	4 hospitals	5 groups	Contacts
Richard V. D'Alessandro, MDNPI 1467423830	3 hospitals	5 groups	Contacts
Leroy Victor DanielsonNPI 1285925537	5 hospitals	6 groups	Contacts
Daniel B. Desiderio, MDNPI 1841788916	2 hospitals	1 group	Contacts
Laura Taylor Director, MDNPI 1154882579	7 hospitals	6 groups	Contacts
Alex Estrella, MDNPI 1487282984	3 hospitals	2 groups	Contacts
Erin Elizabeth FalkNPI 1689182388	2 hospitals	1 group	Contacts
Joan M. Flint, MDNPI 1386804029	2 hospitals	2 groups	Contacts
Juan M. Garza Jr., MDNPI 1417244732	1 hospital	1 group	Contacts
Micah John Gaspary, MDNPI 1962630368	2 hospitals	2 groups	Contacts
Henk Goorhuis, MDNPI 1780656033	1 hospital	3 groups	Contacts
Jonathan Taylor Grammer, MDNPI 1003375189	8 hospitals	6 groups	Contacts
Michael J. Gray, MDNPI 1316033871	4 hospitals	6 groups	Contacts
Jacob Ryan Howell, MDNPI 1538806930	3 hospitals	1 group	Contacts
Nathan James, MDNPI 1174273460	3 hospitals	1 group	Contacts
Stefan Jensen, MDNPI 1740635101	2 hospitals	2 groups	Contacts
Annmarie R. Lattanzi, MDNPI 1811169030	5 hospitals	5 groups	Contacts
Jacob Bartel Lotstein, MDNPI 1013353028	3 hospitals	4 groups	Contacts
Elizabeth J. Madore, DONPI 1356698518	2 hospitals	2 groups	Contacts
Nathanael Peter MarsanNPI 1619331469	6 hospitals	7 groups	Contacts
Kemedy K. McQuillen, MDNPI 1720054273	2 hospitals	1 group	Contacts
Scot A. Millay, MDNPI 1518176965	4 hospitals	6 groups	Contacts
James Mullen, MDNPI 1770663312	6 hospitals	12 groups	Contacts
Douglas W. Nam, MDNPI 1114999364	2 hospitals	6 groups	Contacts
Guy Nuki, MDNPI 1346209582	6 hospitals	13 groups	Contacts
Elizabeth Jane Newton Portnoy, MDNPI 1720304140	2 hospitals	1 group	Contacts
Peter Bew Quayle, MDNPI 1225787732	4 hospitals	1 group	Contacts
Adrian Rainero Garcia, MDNPI 1588291926	1 hospital	1 group	Contacts
Fernando Reachy Guadarrama, MDNPI 1689256620	-	-	Contacts
Anthony Christopher Regis, MDNPI 1285995035	2 hospitals	6 groups	Contacts
Seth C. Ritter, MDNPI 1144531781	2 hospitals	9 groups	Contacts
Noah K. Rosenberg, MDNPI 1225298946	4 hospitals	3 groups	Contacts
Michael Sabatino, DONPI 1851560460	4 hospitals	6 groups	Contacts
Joseph Edward Schinsky, MDNPI 1093208563	3 hospitals	3 groups	Contacts
Katherine A. Seibel, DONPI 1205576857	3 hospitals	1 group	Contacts
Casey Seizys, MDNPI 1639610991	3 hospitals	4 groups	Contacts
Brendan SteeleNPI 1265061865	3 hospitals	5 groups	Contacts
Brianne Jo Steele, MDNPI 1790096899	3 hospitals	4 groups	Contacts
Christopher Stephen Sweeney, MDNPI 1942566450	2 hospitals	1 group	Contacts
Peter Van Rensselaer Tilney, DONPI 1235399528	3 hospitals	6 groups	Contacts

Showing 1 to 50 of 58 Lewiston emergency medicine physicians

The list shows the 58 emergency medicine physicians with a public profile. The other 11 are counted in the total and searchable with a free account.

Sources: NPPES NPI Registry (CMS) and Dmand AI Affiliation Data

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Dmand AI has the EHR for 69 of 69 Lewiston emergency medicine physicians, at their hospital and their practice. Filter by Epic, Oracle Health, MEDITECH, athenahealth and more, then reach them with validated work emails and mobile numbers.

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BlueWater Emergency Partners has the most emergency medicine physicians in Lewiston, with 44

Central Maine Medical Center is second with 14, and Rumford Hospital third with 13. Counts are emergency medicine physicians with a Maine address linked to each group.

Medical groups with the most emergency medicine physicians in Lewiston
#	Medical group	Parent organization	Emergency medicine physicians
1	BlueWater Emergency PartnersYork	Parent on file	44
2	Central Maine Medical CenterLewiston	Parent on file	14
3	Rumford HospitalRumford	Parent on file	13
4	St. Mary's Health SystemLewiston	Parent on file	13
5	Bridgton HospitalBridgton	Parent on file	13
6	MaineHealth Primary Care - Family Medicine - PortlandPortland	Parent on file	12
7	MaineGeneral HealthAugusta	Parent on file	8
8	Houlton Regional HospitalHoulton	Parent on file	8
9	York HospitalYork	Parent on file	6
10	Northern Light Emergency CareEllsworth	Parent on file	5

Top 10 of 22 Lewiston medical groups with an emergency medicine physician

Sources: Dmand AI Affiliation Data and Dmand AI Org Hierarchy Data

Central Maine Medical Center has the most affiliated emergency medicine physicians in Lewiston, with 49

Rumford Hospital is second with 25, and Bridgton Hospital third with 25. Lewiston emergency medicine physicians are affiliated with 17 hospitals in all.

Hospitals with the most emergency medicine physicians in Lewiston
#	Hospital	Health system	Emergency medicine physicians
1	Central Maine Medical CenterLewiston	Prime Healthcare	49
2	Rumford HospitalRumford	Prime Healthcare	25
3	Bridgton HospitalBridgton	Prime Healthcare	25
4	St. Mary's Regional Medical CenterLewiston	Covenant Health	13
5	MaineHealth Mid Coast HospitalBrunswick	MaineHealth	6
6	Houlton Regional HospitalHoulton	Houlton Regional Hospital	6
7	MaineHealth Maine Medical CenterPortland	MaineHealth	4
8	MaineGeneral Medical CenterAugusta	MaineGeneral Health	2
9	St. Joseph HealthcareBangor	Covenant Health	1
10	York HospitalYork	MaineHealth	1

Top 10 of 17 Lewiston hospitals with an affiliated emergency medicine physician

See every hospital and group for each Lewiston emergency medicine physician

Each public profile names one place an emergency medicine physician practices. A free account shows all of them, with the employer, the EHR and validated contacts.

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Source: Dmand AI Affiliation Data

Most Lewiston emergency medicine physicians practice at a hospital: 56 of the 56 with a mapped site

11 also practice at a medical group site. An emergency medicine physician can practice at several kinds of site, so the shares overlap.

Lewiston emergency medicine physicians by site of care

Hospitals56100%
Medical group practices1120%

Sources: Dmand AI Affiliation Data and Dmand AI Practice Data

11% of Lewiston emergency medicine physicians finished medical school 30 or more years ago

6 of the 54 Lewiston emergency medicine physicians with a graduation year on file. 20 graduated in the last 10 years.

Physicians by years since medical school

Under 10 years ago2037%
10 to 19 years ago2343%
20 to 29 years ago59%
30 to 39 years ago59%
40 or more years ago12%

Source: Dmand AI Professional Profile Data

Every Lewiston emergency medicine physician profile shows current hospitals and groups, Medicare activity and NPI details

Primary practiceThe main place they practice, with its type and cityOn every profile
Every site of careEach hospital, clinic and group where they practice nowWith a free account
EmployerThe organization they work for, when one is on fileWith a free account
Medicare servicesServices and procedure codes billed to Medicare, from CMSOn every profile
Medicare Part D prescribingClaims and drug costs from Part D, from CMSOn every profile
Industry paymentsPayments from drug and device makers, from CMS Open PaymentsOn every profile
Publications and clinical trialsResearch papers and trials linked to the NPI, when on fileOn every profile
Licenses and graduation yearState license numbers and medical school graduation yearOn every profile
NPI detailsNPI, enumeration date, primary taxonomy and practice addressOn every profile
Work email and mobile numberFound on request through healthcare waterfall enrichment, then validatedWith a free account
EHR in useThe EHR at each site where they practiceWith a free account
Colleagues at each siteThe clinicians they work with at each hospital and groupWith a free account

Free account: 30 days free, self-serve, no credit card.

Sources: NPPES NPI Registry (CMS), Medicare Physician & Other Practitioners (CMS), Open Payments (CMS) and Dmand AI Affiliation Data

Sources for the Lewiston emergency medicine physician directory

Sources for the data on this page
Data on this page	Source
HCPs, types and specialties	NPPES NPI Registry (CMS) and Dmand AI Professional Profile Data
Sites of care, hospitals and medical groups	Dmand AI Affiliation Data
Medical school graduation year	Dmand AI Professional Profile Data

Data last refreshed October 2026Report an inaccuracy Remove my information

Emergency medicine physicians are HCPs whose primary specialty is emergency medicine (taxonomy code 207P00000X), with an active NPI and a Lewiston practice address.

FAQ

Frequently asked questions about emergency medicine physicians in Lewiston

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

How many emergency medicine physicians are in Lewiston?

69 emergency medicine physicians have an active NPI, a Lewiston practice address and emergency medicine (taxonomy code 207P00000X) as their primary specialty. 56 of them are linked to a hospital or medical group.

Which Lewiston medical groups have the most emergency medicine physicians?

BlueWater Emergency Partners, with 44, followed by Central Maine Medical Center with 14 and Rumford Hospital with 13.

Which Lewiston hospitals have the most emergency medicine physicians?

Central Maine Medical Center, with 49 affiliated emergency medicine physicians, followed by Rumford Hospital with 25 and Bridgton Hospital with 25.

What share of Lewiston emergency medicine physicians practice at a hospital?

56 of the 56 Lewiston emergency medicine physicians with a mapped site of care, or 100%, have a current hospital affiliation.

What is the taxonomy code for emergency medicine?

207P00000X is the NPPES taxonomy code for emergency medicine. Sub-specialties with their own code are counted on their own lists.

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