Erin E. O'Sullivan, NP
- Medicare patients, 2024
- 100
- Part D claims, 2024
- 62
- Hospital affiliations
- 3
- Industry payments
- $159
- Medical groups
- 3
- Practice address
- 585 Lebanon Street, Melrose, MA 02176
- Practice phone
- Call (781) 979-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Erin O'Sullivan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Erin E. O'Sullivan is a gerontology nurse practitioner in Melrose, Massachusetts
Erin O'Sullivan practices at MelroseWakefield Hospital in Melrose, Massachusetts, part of Tufts Medicine.
Erin O'Sullivan's NPI, 1558339887, was assigned on March 11, 2006.
- NPI
- 1558339887NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8628052040
- NPI enumeration date
- March 11, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (781) 979-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Erin E. O'Sullivan practices at MelroseWakefield Hospital in Melrose, Massachusetts
Erin O'Sullivan's primary practice is MelroseWakefield Hospital, at 585 Lebanon Street, Melrose, MA 02176 in Middlesex County. The practice phone is (781) 979-3000.
- MelroseWakefield Hospital585 Lebanon Street, Melrose, MA 02176 · Middlesex CountyPhone(781) 979-3000
Source: Dmand AI Affiliation Data
Erin E. O'Sullivan is affiliated with 5 sites of care and 3 medical groups
Erin O'Sullivan's primary practice is MelroseWakefield Hospital in Melrose, Massachusetts, part of Tufts Medicine. Erin O'Sullivan is also affiliated with Salem Hospital. The medical group on file is Tufts Medical Center Community Care. Dmand AI also links Erin O'Sullivan to 1 more hospital, 2 medical groups, 1 group practice or clinic and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Erin E. O'Sullivan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Erin O'Sullivan practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MelroseWakefield Hospital | Available with a free account |
| +4 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Tufts Medicine and 6.2K+ hospitals, with verified contacts in the same login.
Erin E. O'Sullivan is one of 239 gerontology nurse practitioners in Massachusetts
Gerontology is Erin O'Sullivan's primary specialty in the NPI Registry, under taxonomy code 363LG0600X.
Specialties and state licenses
- Gerontology nurse practitionerPrimary
Gerontology nurse practitioners near Erin O'Sullivan
Counts of gerontology 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
Erin E. O'Sullivan treated 100 Medicare patients in 2024, average age 76
CMS counts 100 Medicare patients who saw Erin O'Sullivan in 2024. The largest group is 75 to 84, with 45 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 2.33, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Erin O'Sullivan's median patient age at 74, with 40% women.
Erin O'Sullivan's Medicare patients by age, 2024
Erin O'Sullivan's Medicare patients by sex, 2024
- Women5656%
- Men4444%
Chronic conditions among Erin O'Sullivan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Chronic kidney disease59%
- Atrial fibrillation50%
- Diabetes50%
- Ischemic heart disease50%
- Arthritis48%
- Mood disorders45%
Share of Medicare patients with each condition. A patient can have several.
Erin O'Sullivan'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
- Women40%
- Men59%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Erin E. O'Sullivan wrote 62 Medicare Part D claims in 2024
In 2024, Erin O'Sullivan wrote 62 Medicare Part D claims for 30 patients. 79% of them were for generic drugs.
Erin O'Sullivan's Part D claims by kind of drug, 2024
- Generic49 claims79%
- Brand-name13 claims21%
Drug classes CMS tracks in Erin O'Sullivan's Part D claims, 2024
- Antibiotics27%17 of 62 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 Erin E. O'Sullivan takes part in Medicare
Erin O'Sullivan 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)
For MedTech and pharma teams
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Erin E. O'Sullivan received $159 in industry payments in 2025
CMS Open Payments shows 1 general payment to Erin O'Sullivan from 1 drug or device company in 2025. Device or supply loans make up the largest share, 100% of the total. Integra LifeSciences Corporation paid the most, $159.
Companies that paid Erin O'Sullivan the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Erin E. O'Sullivan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Erin E. O'Sullivan
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Erin E. O'Sullivan's NPI number?
Erin E. O'Sullivan's NPI number is 1558339887. It was assigned on March 11, 2006, and it is active in the NPI Registry.
What does Erin E. O'Sullivan specialize in?
Erin E. O'Sullivan is a gerontology nurse practitioner in Melrose, Massachusetts. The primary specialty in the NPI Registry is Gerontology Nurse Practitioner (taxonomy code 363LG0600X).
Where does Erin E. O'Sullivan practice?
Erin O'Sullivan practices at 585 Lebanon Street, Melrose, MA 02176. Erin O'Sullivan's primary practice is MelroseWakefield Hospital in Melrose, Massachusetts, part of Tufts Medicine. Dmand AI also links Erin O'Sullivan to 1 hospital, 2 medical groups, 1 group practice or clinic and 1 home health agency.
What is Erin E. O'Sullivan's office phone number?
The practice phone on file for Erin O'Sullivan is (781) 979-3000.
Which hospitals is Erin E. O'Sullivan affiliated with?
Erin O'Sullivan practices at MelroseWakefield Hospital in Melrose, Massachusetts. Erin O'Sullivan is also affiliated with Salem Hospital. Dmand AI links Erin O'Sullivan to 1 more hospital.
What medical group is Erin E. O'Sullivan part of?
Erin O'Sullivan is linked to Tufts Medical Center Community Care. Dmand AI links Erin O'Sullivan to 2 more medical groups.
Does Erin E. O'Sullivan accept Medicare?
Yes. CMS lists Erin O'Sullivan as accepting Medicare assignment.
How many Medicare patients does Erin E. O'Sullivan see?
CMS counts 100 Medicare patients who saw Erin O'Sullivan in 2024, with an average age of 76.
Has Erin E. O'Sullivan received payments from drug or device companies?
CMS Open Payments shows $159 in general payments to Erin O'Sullivan from 1 company from 2025 to 2025. The largest total came from Integra LifeSciences Corporation.
How long has Erin E. O'Sullivan been practicing?
Erin O'Sullivan graduated from medical school in 1998, 28 years ago.
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