Ryan James Messier, RN

  • Haverhill, MA
  • Registered nurse
NPI1548757727PAC ID7618207655
Medicare patients, 2024
177
Hospital affiliations
2
Medical groups
2
State license
1
Year NPI issued
2018
Practice address
70 East Street, Methuen, MA 01844
Practice phone
Call (978) 687-0156
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Merrimack Health Methuen Hospital

Hospital · Methuen, Massachusetts

See all 4 affiliations

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Ryan James Messier is a registered nurse in Haverhill, Massachusetts

Ryan Messier practices at Merrimack Health Methuen Hospital in Methuen, Massachusetts, part of Lawrence Hospital.

Ryan Messier's NPI, 1548757727, was assigned on April 13, 2018. Ryan Messier holds Massachusetts license RN2269013.

NPI and contact details
Medicare PAC ID
7618207655
NPI enumeration date
April 13, 2018
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(978) 687-0156
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
33
Medical school graduation
2019

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Ryan James Messier practices in Methuen and Haverhill

Ryan Messier's primary practice is Merrimack Health Methuen Hospital, at 70 East Street, Methuen, MA 01844 in Essex County. The practice phone is (978) 687-0156. The NPI Registry lists Ryan Messier's practice address as 140 Lincoln Ave, Haverhill, MA 01830.

  • Merrimack Health Methuen HospitalPrimary
    70 East Street, Methuen, MA 01844 · Essex CountyPhone(978) 687-0156
  • NPI Registry address
    140 Lincoln Ave, Haverhill, MA 01830 · Essex County

Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data

Ryan James Messier is affiliated with 2 sites of care and 2 medical groups

Ryan Messier's primary practice is Merrimack Health Methuen Hospital in Methuen, Massachusetts, part of Lawrence Hospital. Ryan Messier is also affiliated with Anna Jaques Hospital. The medical group on file is Steward Medical Group. Dmand AI also links Ryan Messier to 1 more medical group, named with a free account.

See all 4 affiliations for Ryan Messier

Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Ryan James Messier's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Ryan Messier practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Merrimack Health Methuen HospitalAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Ryan James Messier is one of 215 registered nurses in Massachusetts

Registered nurse is Ryan Messier's primary specialty in the NPI Registry, under taxonomy code 163W00000X. Ryan Messier is licensed in Massachusetts.

Specialties and state licenses

  • Registered nurse, MassachusettsPrimaryLicense RN2269013 · taxonomy 163W00000X

Registered nurses near Ryan Messier

Counts of registered nurses with a Dmand AI profile, by place and practice. Each opens the list.

215registered nurses in Massachusetts
2registered nurses in Haverhill

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Ryan James Messier treated 177 Medicare patients in 2024, average age 73

CMS counts 177 Medicare patients who saw Ryan Messier in 2024. The largest group is 65 to 74, with 71 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Ryan Messier's median patient age at 60, with 0% women.

Medicare patients, 2024177
Average age73
Average risk score1.19
Also on Medicaid20%

Ryan Messier's Medicare patients by age, 2024

Ryan Messier's Medicare patients by sex, 2024

  • Women9252%
  • Men8548%

Chronic conditions among Ryan Messier's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Arthritis58%
  4. Anxiety32%
  5. Cancer29%
  6. Chronic kidney disease29%
  7. Mood disorders29%
  8. Diabetes27%

Share of Medicare patients with each condition. A patient can have several.

Ryan Messier's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 60

Patient panel by sex, all payers

  • Women0%
  • Men100%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

How Ryan James Messier takes part in Medicare

Ryan Messier accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

Sources for Ryan James Messier's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Ryan James Messier

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

What is Ryan James Messier's NPI number?

Ryan James Messier's NPI number is 1548757727. It was assigned on April 13, 2018, and it is active in the NPI Registry.

What does Ryan James Messier specialize in?

Ryan James Messier is a registered nurse in Haverhill, Massachusetts. The primary specialty in the NPI Registry is Registered Nurse (taxonomy code 163W00000X).

Where does Ryan James Messier practice?

Ryan Messier practices at 70 East Street, Methuen, MA 01844. Ryan Messier also practices at 140 Lincoln Ave, Haverhill, MA 01830. Ryan Messier's primary practice is Merrimack Health Methuen Hospital in Methuen, Massachusetts, part of Lawrence Hospital. Dmand AI also links Ryan Messier to 1 medical group.

What is Ryan James Messier's office phone number?

The practice phone on file for Ryan Messier is (978) 687-0156.

What is Ryan James Messier's medical license number?

Ryan Messier holds Massachusetts license RN2269013.

Which hospitals is Ryan James Messier affiliated with?

Ryan Messier practices at Merrimack Health Methuen Hospital in Methuen, Massachusetts. Ryan Messier is also affiliated with Anna Jaques Hospital.

What medical group is Ryan James Messier part of?

Ryan Messier is linked to Steward Medical Group. Dmand AI links Ryan Messier to 1 more medical group.

Does Ryan James Messier accept Medicare?

Yes. CMS lists Ryan Messier as accepting Medicare assignment.

How many Medicare patients does Ryan James Messier see?

CMS counts 177 Medicare patients who saw Ryan Messier in 2024, with an average age of 73.

How long has Ryan James Messier been practicing?

Ryan Messier graduated from medical school in 2019, 7 years ago.

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