Mary Ann Harmon, APRN
- Medicare patients, 2024
- 46
- Part D claims, 2024
- 119
- MIPS score, 2024
- 87
- Hospital affiliations
- 2
- Medical group
- 1
- Practice address
- 50 Division St, New Haven, CT 06511
- Practice phone
- Call (203) 785-2140
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Yale Medicine
New Haven, Connecticut
Find Mary Ann Harmon'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.
Mary Ann Harmon is a nurse practitioner in New Haven, Connecticut
Mary Ann Harmon practices at Yale Medicine in New Haven, Connecticut.
Mary Ann Harmon's NPI, 1477044824, was assigned on May 22, 2018. Mary Ann Harmon holds Connecticut license 7265.
- NPI
- 1477044824NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820343544
- NPI enumeration date
- May 22, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (203) 785-2140
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Mary Ann Harmon practices at Yale Medicine in New Haven, Connecticut
Mary Ann Harmon's primary practice is Yale Medicine, at 50 Division St, New Haven, CT 06511 in South Central Ct County. The practice phone is (203) 785-2140.
- Yale Medicine50 Division St, New Haven, CT 06511 · South Central Ct CountyPhone(203) 785-2140
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Mary Ann Harmon is affiliated with 4 sites of care and 1 medical group
Mary Ann Harmon's primary practice is Yale Medicine in New Haven, Connecticut. Mary Ann Harmon is also affiliated with Yale New Haven Hospital. The medical group on file is Yale Health. Dmand AI also links Mary Ann Harmon to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mary Ann Harmon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Ann Harmon practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Yale Medicine | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Mary Ann Harmon is one of 635 nurse practitioners in Connecticut
Nurse practitioner is Mary Ann Harmon's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Mary Ann Harmon is licensed in Connecticut.
Specialties and state licenses
- Nurse practitioner, ConnecticutPrimary
Nurse practitioners near Mary Ann Harmon
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
Mary Ann Harmon treated 46 Medicare patients in 2024, average age 76
CMS counts 46 Medicare patients who saw Mary Ann Harmon in 2024. The largest group is 75 to 84, with 19 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 26% are also on Medicaid. Their average risk score is 1.67, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Mary Ann Harmon's median patient age at 78, with 54% women.
Mary Ann Harmon's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Mary Ann Harmon's Medicare patients by sex, 2024
- Women2963%
- Men1737%
Chronic conditions among Mary Ann Harmon's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Stroke or TIA75%
- Arthritis57%
- Diabetes52%
- Mood disorders50%
- Depression41%
- Atrial fibrillation39%
Share of Medicare patients with each condition. A patient can have several.
Mary Ann Harmon's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Mary Ann Harmon wrote 119 Medicare Part D claims in 2024
In 2024, Mary Ann Harmon wrote 119 Medicare Part D claims for 35 patients. 86% of them were for generic drugs.
Mary Ann Harmon's Part D claims by kind of drug, 2024
- Generic102 claims86%
- Brand-name and other17 claims14%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Mary Ann Harmon scored 87 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 87 out of 100 for Mary Ann Harmon for performance year 2024, reported as part of a group. Mary Ann Harmon accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Mary Ann Harmon's MIPS scores, performance year 2024
- 87of 100Final score
- 77.4of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Sources for Mary Ann Harmon'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 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)Clinician Public Reporting: Overall MIPS Performance (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 Mary Ann Harmon
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mary Ann Harmon's NPI number?
Mary Ann Harmon's NPI number is 1477044824. It was assigned on May 22, 2018, and it is active in the NPI Registry.
What does Mary Ann Harmon specialize in?
Mary Ann Harmon is a nurse practitioner in New Haven, Connecticut. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Mary Ann Harmon practice?
Mary Ann Harmon practices at 50 Division St, New Haven, CT 06511. Mary Ann Harmon's primary practice is Yale Medicine in New Haven, Connecticut. Dmand AI also links Mary Ann Harmon to 1 hospital and 1 group practice or clinic.
What is Mary Ann Harmon's office phone number?
The practice phone on file for Mary Ann Harmon is (203) 785-2140.
What is Mary Ann Harmon's medical license number?
Mary Ann Harmon holds Connecticut license 7265.
Which hospitals is Mary Ann Harmon affiliated with?
Mary Ann Harmon is affiliated with Yale New Haven Hospital. Dmand AI links Mary Ann Harmon to 1 more hospital.
What medical group is Mary Ann Harmon part of?
Mary Ann Harmon is linked to Yale Health.
Does Mary Ann Harmon accept Medicare?
Yes. CMS lists Mary Ann Harmon as accepting Medicare assignment.
What is Mary Ann Harmon's MIPS score?
Mary Ann Harmon's MIPS final score for performance year 2024 is 87 out of 100, reported as part of a group.
How many Medicare patients does Mary Ann Harmon see?
CMS counts 46 Medicare patients who saw Mary Ann Harmon in 2024, with an average age of 76.
How long has Mary Ann Harmon been practicing?
Mary Ann Harmon graduated from medical school in 2017, 9 years ago.
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