Kathleen Ammon, NP
- Medicare patients, 2024
- 48
- Part D claims, 2024
- 66
- Hospital affiliations
- 1
- Industry payments
- $107
- Medical group
- 1
- Practice address
- 50 Rowe St, Melrose, MA 02176
- Practice phone
- Call (781) 338-7521
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Hallmark Health Medical Associates Inc
Melrose, Massachusetts
Find Kathleen Ammon'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.
Kathleen Ammon is an obstetrics and gynecology nurse practitioner in Melrose, Massachusetts
Kathleen Ammon practices at Hallmark Health Medical Associates Inc in Melrose, Massachusetts.
Kathleen Ammon's NPI, 1104282136, was assigned on January 6, 2016. Kathleen Ammon holds Massachusetts license RN2278892.
- NPI
- 1104282136NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456659358
- NPI enumeration date
- January 6, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (781) 338-7521
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Kathleen Ammon practices at Hallmark Health Medical Associates Inc in Melrose, Massachusetts
Kathleen Ammon's primary practice is Hallmark Health Medical Associates Inc, at 50 Rowe St, Melrose, MA 02176 in Middlesex County. The practice phone is (781) 338-7521.
- Hallmark Health Medical Associates Inc50 Rowe St, Melrose, MA 02176 · Middlesex CountyPhone(781) 338-7521
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Kathleen Ammon is affiliated with 3 sites of care and 1 medical group
Kathleen Ammon's primary practice is Hallmark Health Medical Associates Inc in Melrose, Massachusetts. Kathleen Ammon is also affiliated with MelroseWakefield Hospital. The medical group on file is Tufts Medical Center Community Care. Dmand AI also links Kathleen Ammon to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Kathleen Ammon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Kathleen Ammon practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Hallmark Health Medical Associates Inc | Available with a free account |
| +2 more affiliated sites | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Kathleen Ammon is one of 54 obstetrics and gynecology nurse practitioners in Massachusetts
Obstetrics and gynecology is Kathleen Ammon's primary specialty in the NPI Registry, under taxonomy code 363LX0001X. Kathleen Ammon is licensed in Massachusetts.
Specialties and state licenses
- Obstetrics and gynecology nurse practitioner, MassachusettsPrimary
Obstetrics and gynecology nurse practitioners near Kathleen Ammon
Counts of obstetrics and gynecology 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
Kathleen Ammon treated 48 Medicare patients in 2024, average age 72
CMS counts 48 Medicare patients who saw Kathleen Ammon in 2024. The largest group is 65 to 74, with 31 patients. 69% of them have high cholesterol, and 58% have high blood pressure. Their average risk score is 0.82, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Kathleen Ammon's median patient age at 37, with 99% women.
Kathleen Ammon's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Kathleen Ammon's Medicare patients, 2024
- High cholesterol69%
- High blood pressure58%
- Arthritis48%
- Anxiety31%
- Chronic kidney disease31%
- Depression25%
- Mood disorders25%
Share of Medicare patients with each condition. A patient can have several.
Kathleen Ammon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 37
Patient panel by sex, all payers
- Women99%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Kathleen Ammon wrote 66 Medicare Part D claims in 2024
In 2024, Kathleen Ammon wrote 66 Medicare Part D claims for 34 patients. 94% of them were for generic drugs.
Kathleen Ammon's Part D claims by kind of drug, 2024
- Generic62 claims94%
- Brand-name and other4 claims6%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Kathleen Ammon takes part in Medicare
Kathleen Ammon 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
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Kathleen Ammon received $107 in industry payments in 2025
CMS Open Payments shows 4 general payments to Kathleen Ammon from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $60.
Companies that paid Kathleen Ammon 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 Kathleen Ammon'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation 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 Kathleen Ammon
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Kathleen Ammon's NPI number?
Kathleen Ammon's NPI number is 1104282136. It was assigned on January 6, 2016, and it is active in the NPI Registry.
What does Kathleen Ammon specialize in?
Kathleen Ammon is an obstetrics and gynecology nurse practitioner in Melrose, Massachusetts. The primary specialty in the NPI Registry is Obstetrics & Gynecology Nurse Practitioner (taxonomy code 363LX0001X).
Where does Kathleen Ammon practice?
Kathleen Ammon practices at 50 Rowe St, Melrose, MA 02176. Kathleen Ammon's primary practice is Hallmark Health Medical Associates Inc in Melrose, Massachusetts. Dmand AI also links Kathleen Ammon to 1 group practice or clinic.
What is Kathleen Ammon's office phone number?
The practice phone on file for Kathleen Ammon is (781) 338-7521.
What is Kathleen Ammon's medical license number?
Kathleen Ammon holds Massachusetts license RN2278892.
Which hospitals is Kathleen Ammon affiliated with?
Kathleen Ammon is affiliated with MelroseWakefield Hospital.
What medical group is Kathleen Ammon part of?
Kathleen Ammon is linked to Tufts Medical Center Community Care.
Does Kathleen Ammon accept Medicare?
Yes. CMS lists Kathleen Ammon as accepting Medicare assignment.
How many Medicare patients does Kathleen Ammon see?
CMS counts 48 Medicare patients who saw Kathleen Ammon in 2024, with an average age of 72.
Has Kathleen Ammon received payments from drug or device companies?
CMS Open Payments shows $107 in general payments to Kathleen Ammon from 2 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Kathleen Ammon been practicing?
Kathleen Ammon graduated from medical school in 2015, 11 years ago.
Selling to obstetrics and gynecology practices?
See obstetrics and gynecology nurse practitioners in Massachusetts by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card