Corey Claffey, NP

  • Boston, MA
  • Nurse practitioner
NPI1245893312PAC ID9537575360
Medicare patients, 2024
186
Part D claims, 2024
464
Hospital affiliations
7
Medical groups
4
State license
1
Practice address
55 Fruit Street, Boston, MA 02114
Practice phone
Call (617) 726-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Massachusetts General Hospital

Hospital · Boston, Massachusetts

See all 12 affiliations

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Corey Claffey is a nurse practitioner in Boston, Massachusetts

Corey Claffey practices at Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham.

Corey Claffey's NPI, 1245893312, was assigned on April 15, 2019. Corey Claffey holds Massachusetts license RN2280396.

NPI and contact details
Medicare PAC ID
9537575360
NPI enumeration date
April 15, 2019
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(617) 726-2000
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
34
Medical school graduation
2018

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

Corey Claffey practices at Massachusetts General Hospital in Boston, Massachusetts

Corey Claffey's primary practice is Massachusetts General Hospital, at 55 Fruit Street, Boston, MA 02114 in Suffolk County. The practice phone is (617) 726-2000.

Source: Dmand AI Affiliation Data

Corey Claffey is affiliated with 8 sites of care and 4 medical groups

Corey Claffey's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Corey Claffey is also affiliated with Brigham and Women's Hospital. The medical group on file is Massachusetts General Physicians Organization (MGPO). Dmand AI also links Corey Claffey to 5 more hospitals, 3 medical groups and 1 community health center, each named with a free account.

See all 12 affiliations for Corey Claffey

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

Dmand AI tracks the EHR system at Corey Claffey's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Corey Claffey practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Massachusetts General HospitalAvailable with a free account
+7 more sites and 3 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Corey Claffey is one of 2,511 nurse practitioners in Massachusetts

Nurse practitioner is Corey Claffey's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Corey Claffey is licensed in Massachusetts.

Specialties and state licenses

  • Nurse practitioner, MassachusettsPrimaryLicense RN2280396 · taxonomy 363L00000X

Nurse practitioners near Corey Claffey

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

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

Corey Claffey treated 186 Medicare patients in 2024, average age 75

CMS counts 186 Medicare patients who saw Corey Claffey in 2024. The largest group is 75 to 84, with 86 patients. 75% of them have arthritis, and 74% have high cholesterol. Their average risk score is 1.05, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Corey Claffey's median patient age at 74, with 57% women.

Medicare patients, 2024186
Average age75
Average risk score1.05

Corey Claffey's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Corey Claffey's Medicare patients by sex, 2024

  • Women11160%
  • Men7540%

Chronic conditions among Corey Claffey's Medicare patients, 2024

  1. Arthritis75%
  2. High cholesterol74%
  3. High blood pressure72%
  4. Anxiety28%
  5. Mood disorders24%
  6. Chronic kidney disease21%
  7. Cancer20%
  8. Depression20%

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

Corey Claffey's patients across all payers

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

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women57%
  • Men43%

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

Corey Claffey wrote 464 Medicare Part D claims in 2024

In 2024, Corey Claffey wrote 464 Medicare Part D claims for 292 patients. 97% of them were for generic drugs.

Part D claims, 2024464
Part D patients292

Corey Claffey's Part D claims by kind of drug, 2024

  • Generic450 claims97%
  • Brand-name14 claims3%

Drug classes CMS tracks in Corey Claffey's Part D claims, 2024

  • Opioids33%155 of 464 claims
  • Antibiotics44%204 of 464 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

How Corey Claffey takes part in Medicare

Corey Claffey 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)

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Sources for Corey Claffey'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand 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)
Part D prescribingMedicare Part D Prescribers - 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 Corey Claffey

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

What is Corey Claffey's NPI number?

Corey Claffey's NPI number is 1245893312. It was assigned on April 15, 2019, and it is active in the NPI Registry.

What does Corey Claffey specialize in?

Corey Claffey is a nurse practitioner in Boston, Massachusetts. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).

Where does Corey Claffey practice?

Corey Claffey practices at 55 Fruit Street, Boston, MA 02114. Corey Claffey's primary practice is Massachusetts General Hospital in Boston, Massachusetts, part of Mass General Brigham. Dmand AI also links Corey Claffey to 5 hospitals, 3 medical groups and 1 community health center.

What is Corey Claffey's office phone number?

The practice phone on file for Corey Claffey is (617) 726-2000.

What is Corey Claffey's medical license number?

Corey Claffey holds Massachusetts license RN2280396.

Which hospitals is Corey Claffey affiliated with?

Corey Claffey practices at Massachusetts General Hospital in Boston, Massachusetts. Corey Claffey is also affiliated with Brigham and Women's Hospital. Dmand AI links Corey Claffey to 5 more hospitals.

What medical group is Corey Claffey part of?

Corey Claffey is linked to Massachusetts General Physicians Organization (MGPO). Dmand AI links Corey Claffey to 3 more medical groups.

Does Corey Claffey accept Medicare?

Yes. CMS lists Corey Claffey as accepting Medicare assignment.

How many Medicare patients does Corey Claffey see?

CMS counts 186 Medicare patients who saw Corey Claffey in 2024, with an average age of 75.

How long has Corey Claffey been practicing?

Corey Claffey graduated from medical school in 2018, 8 years ago.

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