Provider Profile
Ann M. Keenan, AGNP, CCRN
Unclaimed ProfileAbout Ann Keenan
Ann M. Keenan, AGNP, CCRN is a nurse practitioner based in Dededo, GU. Ann is a 2020 graduate of University of Rochester School of Medicine and Dentistry. Medicare claims data shows Ann provided 58 services to 37 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more and residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes.
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
- (671) 989-6600
- Email not available
Practice Locations
655 HARMON LOOP RD STE 102
Dededo, GU 96929
Procedures Most Often Billed to Medicare
58 services · 37 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
31 | Less often than most peers in Nurse Practitioner |
| Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99349 |
27 | Less 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.
Other nurse practitioners at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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.
More connections — 22 related providers in 3 groups
Other nurse practitioners in Dededo 6
Same specialty, same city.
Trained at University of Rochester School of Medicine and Dentistry 8
Other providers in the same specialty who trained at the same institution.
Class of 2020 at University of Rochester School of Medicine and Dentistry 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Ann M. Keenan, AGNP?
Ann M. Keenan, AGNP is a nurse practitioner in Dededo, GU. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Ann M. Keenan, AGNP's address?
Ann M. Keenan, AGNP is listed at 655 Harmon Loop Rd Ste 102, Dededo, GU 96929. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Ann M. Keenan, AGNP?
The number on file is (671) 989-6600. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Ann M. Keenan, AGNP?
Ann M. Keenan, AGNP's National Provider Identifier is 1669211405. 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 Ann M. Keenan, AGNP train?
Ann M. Keenan, AGNP attended University of Rochester School of Medicine and Dentistry, graduating in 2020. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Ann M. Keenan, AGNP have?
Ann M. Keenan, AGNP has 6 years experience. Calculated from a graduation year of 2020, reported in the CMS National Downloadable File.
CMS public data
What procedures does Ann M. Keenan, AGNP perform?
According to Medicare billing data, Ann M. Keenan, AGNP 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
Is Ann M. Keenan, AGNP's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Ann M. Keenan, AGNP. 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.