Ann Fenton, M.D.
Urology Physician · Tamuning, GU
Ann Fenton, M.D. is a urology physician with a practice address in Tamuning, Guam, and NPI 1144208851, issued on Jan 3, 2006. Check the license (Guam M-1855, as entered in NPPES) with the Guam board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ann Fenton
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License numbers
- M-1855 GU
01054715A IN
Self-reported in NPPES; status is on the state search - Practice location
- 341 S Marine Corps Dr, Tamuning, GU 96913
- Phone
- (671) 989-1368
- Enumerated
- Jan 3, 2006
- Record last updated
- May 15, 2024
- Medicare enrollment
- Enrolled (PECOS I20151015001000); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 1999
- Entity
- Type 1 · individual
3 nearest urology physician records → All 4 in Guam → Look up another NPI →
Also registered at 341 S Marine Corps Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Renee Koffend, AU.D., CCC-AAudiologist1083715684
Verify Ann Fenton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Guam board licenses this profession
Search for license M-1855Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average urology physician in 2024
93 Medicare Part D claims for 18 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Finasteride37 claims
- Tamsulosin Hcl25 claims
- Cephalexin11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Guam Healthcare Development IncorporatedDededo, GU
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Urology Physician providers in Guam
There are 4 urology physician records in Guam.
All 4 in Guam → Every provider in Tamuning → Urology Physician nationwide →
The 3 urology physician records with the nearest ZIP codes
- Jim Chen, M.D.Tamuning, GU 969131952497380
- Ramsey Chichakli, M.D.Tamuning, GU 969131457478273
- Virgilio Petero Jr, MDDededo, GU 969291528228798
Common questions
What is Ann Fenton, M.D.'s NPI number?
Ann Fenton, M.D.'s National Provider Identifier (NPI) is 1144208851, issued on Jan 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ann Fenton, M.D. located?
The NPPES record lists a practice address at 341 S Marine Corps Dr, Tamuning, GU, 96913. Phone: (671) 989-1368. Providers update this record themselves, so call before visiting.
How can I verify Ann Fenton, M.D.'s license?
NPPES lists Guam license number M-1855, as entered by the provider. Search the Guam board that licenses this profession; the NPPES record confirms identity only.
How much does Ann Fenton, M.D. prescribe under Medicare Part D?
In 2024, Ann Fenton, M.D. had 93 Medicare Part D claims for 18 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.