Middlesex County EMS

Countywide Information

• BLS = Basic Life Support (Basic EMTs)
• INT = Intermediate Level Support
• ALS = Advanced Life Support (Paramedics)
• SMC: Saints Medical Center Paramedics (Formally GLEMS- Lowell)
• Note that town's fire frequencies are listed for Private Ambulance Companies providing 911 contracts unless noted.

EMS Provider Information

Community	EMS Providers	Frequency	Tone	Notes	Confirmation/Reconfirmations
Acton	BLS: Fire Dept	453.1750	D074
Acton	ALS:Professional EMS	TG: 19824 on MSP			2016.03.25 GaryS
Arlington	BLS: Fire Dept	460.6000 R	82.5		2017.09.04 ecps92
Arlington	ALS: Armstrong Ambulance	TG:	T
Ashby	BLS: Fire Dept	460.5000 R	91.5
Ashby	ALS: Townsend Fire	---	---
Ashland	BLS & ALS: Fire Dept	484.3875 R	123.0
Ayer	BLS & ALS: Fire Dept	470.4250 R	D065
Bedford	BLS & ALS: Fire Dept	453.7375 R	D125
Bedford	Armstrong Ambulance (primary back up)	---
Bedford	ALS: Professional EMS	TG: 19824 on MSP	---		2017.03.04 GaryS
Belmont	ALS & BLS: Fire Dept	482.7750	77.0		2019.01.05 ecps92
Belmont	Backup ALS: Armstrong Ambulance	---	---
Belmont	Backup ALS: Professional EMS	TG: 19824 on MSP	---		2016.03.25 GaryS
Billerica	BLS & ALS: Police Dept	483.0875 R	146.2	P15: 24/7 P150: 0800-2000 Sun-Sun	2019.01.20 ecps92
Boxborough	BLS: Fire Dept	46.5000	100.0
Boxborough	ALS: Professional EMS	TG: 19824 on MSP	---		2016.03.25 GaryS
Burlington	BLS: Fire Dept	483.3625 R	131.8
Burlington	ALS: Armstrong Ambulance
Cambridge	BLS: Professional Ambulance	800MHz Trunked	---
Cambridge	ALS: Fire Dept	800MHz Trunked	---
Carlisle	BLS: Fire Dept	33.6600	186.2		2017.07.01
Carlisle	ALS: Professional EMS	TG: 19824 on MSP	---
Chelmsford	BLS: Trinity EMS	---	---	Trinity A12-Chelmsford dedicated 911 BLS
Chelmsford	ALS: SMC Paramedics	482.7750	88.5	Trinity A12-Chelmsford dedicated 911 BLS
Concord	BLS: Fire Dept	483.5375 R	146.2		2019.03.19 ecps92
Concord	ALS: Professional EMS	TG: 19824 on MSP	---		2016.03.25 GaryS
Dracut	BLS: Patriot Ambulance ALS: SMC Paramedics	--- 154.4000	--- 146.2	Trinity will be assuming 9-1-1 responses as of 10/1/2016	GaryS
Dunstable	BLS: Trinity EMS ALS: SMC Paramedics	--- 33.6600	--- 141.3	Dispatched from Tyngsboro Base
Everett	BLS & ALS: Cataldo Ambulance	---	---
Framingham	BLS & ALS: Brewster Ambulance	---	---
Groton	BLS: Groton EMS ALS: Ayer Fire ALS: Townsend Fire-EMS	155.9025 R 470.4250 453.9000 R	127.3 D065 173.8
Holliston	BLS: Fire Dept	470.4750 R	D065
Holliston	ALS: Events EMS	463.6250	88.5		2012.11.28
Hopkinton	BLS & ALS: Fire Dept	460.0875 R	D065		2013.06.19 N1BHH
Hudson	BLS & ALS: Patriot Ambulance	---	---	Paramedic 2
Lexington	BLS & ALS: Fire Dept	482.0875 R	D271		2017.03.04 ecps92
Lincoln	BLS: Fire Dept ALS: Professional EMS	470.8500 R TG: 19824 on MSP	74.4 ---		2016.03.25 GaryS
Littleton	BLS: Fire Dept ALS: Professional EMS	153.8150 TG: 19824 on MSP	151.4 ---		2016.03.25 GaryS
Lowell	BLS: Trinity EMS ALS: SMC Paramedics	--- 154.2050 R	--- 186.2	Lowell EMS Info	2018.09.25 N1ZYY
Malden	BLS & ALS: Cataldo Ambulance	---	---
Marlborough	BLS & ALS: Patriot Ambulance	---	--	Paramedic 3: East Marlborough Paramedic 6: West Marlborough
Maynard	BLS: Fire Dept ALS: Professional EMS	470.9000 TG: 19824 on MSP	D065 ---		2016.03.25 GaryS
Medford	BLS & ALS: Armstrong Ambulance	---	---
Melrose	BLS & ALS: Cataldo Ambulance	---	---
Natick	BLS & ALS: Fire Dept	154.2050 R	107.2
Newton	BLS & ALS: Cataldo Ambulance	---	---
North Reading	BLS: Fire Dept ALS: Action Ambulance	453.9500 ---	D664 ---
Pepperell	BLS & INT: Fire Dept ALS: MedStar Ambulance ALS: Townsend Fire-EMS	33.5200 --- 453.9000 R	141.3 --- 173.8		2014.06.07 N1BHH
Reading	BLS & ALS: Fire Dept	483.4125 R	146.2
Sherborn	BLS & INT: Fire Dept ALS: AMR Ambulance	483.0875 ---	114.8 ---		2019.01.21 ecps92
Shirley	BLS: Shirley EMS	471.5000 R	D114		2017.02.03 JBolduc
Shirley	ALS: Ayer Fire	470.4250 R	D065	Switched to SFD UHF 471.5000(D114) for dispatch
Somerville	BLS & ALS: Cataldo Ambulance	---	---
Stoneham	BLS & ALS: Action Ambulance	---	---
Stow	BLS & INT: Stow EMS ALS: Patriot Ambulance	46.5000 ---	100.0 ---
Sudbury	BLS & ALS: Fire Dept	482.7500	127.3 ---		2016.03.25 GaryS
Tewksbury	BLS: Fire Dept ALS: SMC Paramedics	483.7125 R ---	100.0 ---
Townsend	BLS & ALS: Townsend Fire-EMS	Tac 1: 453.9000 R Tac 3: 453.7250 R	173.8 131.8		2014.06.07 N1BHH
Tyngsborough	BLS: Trinity EMS ALS: SMC Paramedics	--- 484.3750	--- 167.9	Trinity A14- Dedicated Tyngsboro 911 BLS
Wakefield	BLS & ALS: Cataldo Ambulance	483.4375	146.2	Effective November 28, 2019	2019.12.04 GaryS
Waltham	BLS & ALS: Cataldo Ambulance	---	---		2014.12.14 N1BHH
Watertown	BLS & ALS: Fire Department	483.7125	131.8	Back Up: Professional Ambulance	2017.02.07 GaryS
Wayland	BLS & ALS Fire Departent	482.4125	203.5	Back Up ALS Professional EMS TG: 19824 on MSP	2017.03.04 GaryS
Westford	BLS & ALS Fire Dept	471.3250 R	107.2		2019.02.02 ecps92
Weston	BLS: Fire Dept	154.1600	94.8		2019.08.01 N1ZYY
Weston	ALS: Professional EMS	MSP		ALS:Professional EMS TG: 19824 on MSP
Wilmington	BLS: Fire Dept	154.2875 R	D025		2019.08.26 ecps92
Wilmington	ALS: Action Ambulance	---	---
Winchester	BLS & ALS: Fire Dept	483.6875	131.8		2020.01.02 ecps92
Woburn	BLS: Fire Dept	483.6125 R	131.8		2020.01.02 ecps92
Woburn	ALS: Action Ambulance	---	---

CMED Information

Middlesex EMS Agencies and Hospitals are handled by 3 different CMED's
As of 2012 Merrimack Valley CMED is completing Narrowband conversion and at the same time changing PL Tones to 123.0 Hz
As of December 31, 2012 Boston CMED has completed Narrow-banding conversion and at the same time changing PL Tones to 136.5 Hz.
It is not known as to the availability of Med 9 and Med 10 for Non Boston EMS users, as these two channels have different tones and different designations by Boston EMS

Agency	Frequency/System	Type	Tone	Use/Notes	Confirmation/ReConfirmations
CMED-Med 1	463.0000 468.0000	D	123.0	Framingham Hospital	2016.02.08 ecps92
CMED-MED 12	463.0125 468.0125	D
CMED-Med 2	463.0250 468.0250	D		Cambridge Hospital	2012.12.15 ecps92
CMED-MED 22	463.0375 468.0375	D	136.5		2018.12.15 ecps92
CMED-Med 3	463.0500 468.0500	D	136.5	MetroWest Medical Winchester Hospital	2019.01.05 ecps92
CMED-MED 32	463.0625 468.0625	D
CMED-Med 4	463.0750 468.0750	D		Call in Frequency
CMED-MED 42	463.0875 468.0875	D	123.0	Call in Frequency for North Shore	2013.09.07 ecps92
CMED-Med 5	463.1000 468.1000	D
CMED-MED 52	463.1125 468.1125	D	110.9	Marlboro Hospital	2019.04.12 ecps92
CMED-Med 6	463.1250 468.1250	D
CMED-MED 62	463.1375 468.1375	D
CMED-Med 7	463.1500 468.1500	D	123.0	Melrose Hospital	2014.03.22 ecps92
CMED-Med 7	463.1500 468.1500	D	123.0	Whidden Hospital	2013.09.07 ecps92
CMED-MED 72	463.1625 468.1625	D
CMED-Med 8	463.1750 468.1750	D
CMED-MED 82	463.1875 468.1875	D
CMED-Med 9	462.9500	R	123.0	Lawrence General Paramedics Disp	2019.02.16 ecps92
CMED-MED 92	462.9625 467.9625	D
CMED-Med 10	462.9750	R
CMED-MED 102	462.9875	R	123.0	Statewide Med 102 MCI Channel Northeast CMED Interop with Municipal EMS Disp and Private EMS Disp	2012.11.28

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