Provider Profile
Mary Ann Harmon, APRN
Unclaimed ProfileAbout Mary Ann Harmon
Mary Ann Harmon, APRN is a nurse practitioner practicing in North Haven, CT. According to Medicare claims data, Mary Ann cared for 44 Medicare patients across 50 services. The services billed most often include established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (203) 234-7460
- Email not available
Practice Locations
31 BROADWAY
North Haven, CT 06473
46 Prince St Ste 601
New Haven, CT 06519
954 Main St
Branford, CT 06405
Procedures Most Often Billed to Medicare
50 services · 44 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
50 | More often than most peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in North Haven 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Mary Ann Harmon?
Mary Ann Harmon is a nurse practitioner in North Haven, CT. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Mary Ann Harmon's address?
Mary Ann Harmon is listed at 31 Broadway, North Haven, CT 06473. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Mary Ann Harmon?
The number on file is (203) 234-7460. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Mary Ann Harmon's NPI number?
Mary Ann Harmon's National Provider Identifier is 1477044824. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Mary Ann Harmon train?
Mary Ann Harmon attended Other, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How long has Mary Ann Harmon been practicing?
Mary Ann Harmon has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What procedures does Mary Ann Harmon perform?
According to Medicare billing data, Mary Ann Harmon the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mary Ann Harmon confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mary Ann Harmon. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.