Doctor profile · Federal record

Dr. Madeline Flaherty, RN, FNP-BC

Nurse Practitioner · Family Nurse Practitioner · Boston, MA

  • NPI 1619644176
  • Accepts Medicare
  • 7 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
243 Charles St
Boston, MA 021143096
(617) 573-3223

Credentials & registration

NPPES · NUCC
NPI registered
August 2021 — 5 yrs on file
Profile last updated
December 2, 2025
Year of graduation
2019 — 7 yrs since
Specialty taxonomy
363L00000X — NUCC code
State licenses (2)
Massachusetts #RN2337528 · Massachusetts #2337528

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619644176. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
18
Distinct HCPCS
1
Medicare allowed
$2,397
HCPCS Description Services Patients Avg allowed
64612 Injection of chemical for paralysis of nerve muscles on side of face 18 16 $133

In context: peer comparison

Among 151 peers in this city , average services per provider: 101. This provider delivers 0.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
119
Patients
29
Total drug cost
$1,696
Drug Type Claims Patients Total cost
Lisinopril Generic 33 18 $327
Atorvastatin Calcium Generic 23 0 $607
Levothyroxine Sodium Generic 19 11 $399
Amlodipine Besylate Generic 17 0 $94
Simvastatin Generic 15 0 $228
Indomethacin Generic 12 0 $41

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Madeline Flaherty's medical specialty?
Dr. Madeline Flaherty practices Nurse Practitioner in Boston, MA.
Where does Dr. Madeline Flaherty practice?
Dr. Madeline Flaherty practices at 243 Charles St, Boston, MA 021143096. Office phone: 6175733223.
What is Dr. Madeline Flaherty's NPI?
Dr. Madeline Flaherty's National Provider Identifier (NPI) is 1619644176, issued by NPPES.
Does Dr. Madeline Flaherty accept Medicare assignment?
Yes. Dr. Madeline Flaherty accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Madeline Flaherty commonly perform?
Top Medicare-reported procedures in 2023: Injection of chemical for paralysis of nerve muscles on side of face (HCPCS 64612). Source: CMS Medicare Physician & Other Practitioners file.