Doctor profile · Federal record

Dr. Mary Anne Fenton, M.D.

Hematology & Oncology Physician (CMS: Hematology/Oncology) · Providence, RI

  • NPI 1881606622
  • Accepts Medicare
  • 37 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
593 Eddy St, Apc 138
Providence, RI 029034923
(401) 444-5391
fax (401) 444-8918
Mailing address
Po Box 3768
Boston, MA 022413768

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RH0003X — NUCC code
State license (1)
Rhode Island #MD10307
Medicaid
RI #9021217

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1881606622. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
279
Distinct HCPCS
5
Medicare allowed
$28,996
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 106 59 $98
99213 Established patient office or other outpatient visit, 20-29 minutes 79 73 $67
99215 Established patient office or other outpatient visit, 40-54 minutes 57 30 $144
99214 Established patient office or other outpatient visit, 30-39 minutes 20 11 $98
99205 New patient office or other outpatient visit, 60-74 minutes 17 17 $182

In context: peer comparison

Among 21 peers in Providence Hematology & Oncology Physician, average services per provider: 527. This provider delivers 0.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
721
Patients
171
Total drug cost
$419,025
Drug Type Claims Patients Total cost
Anastrozole Generic 405 108 $7,015
Letrozole Generic 118 29 $2,905
Exemestane Generic 55 11 $13,912
Tamoxifen Citrate Generic 32 0 $1,046
Dexamethasone Generic 26 12 $152
Ibrance (Palbociclib) Brand 24 0 $385,891
Alendronate Sodium Generic 20 0 $313
Ondansetron Hcl Generic 15 11 $115
Eliquis (Apixaban) Brand 14 0 $7,485
Oxycodone Hcl Generic 12 0 $191

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Anne Fenton's medical specialty?
Dr. Mary Anne Fenton practices Hematology & Oncology Physician in Providence, RI.
Where does Dr. Mary Anne Fenton practice?
Dr. Mary Anne Fenton practices at 593 Eddy St, Providence, RI 029034923. Office phone: 4014445391.
What is Dr. Mary Anne Fenton's NPI?
Dr. Mary Anne Fenton's National Provider Identifier (NPI) is 1881606622, issued by NPPES.
Does Dr. Mary Anne Fenton accept Medicare assignment?
Yes. Dr. Mary Anne Fenton accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Anne Fenton commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.