Doctor profile · Federal record

Dr. Alissa Genthon

Critical Care Medicine (Internal Medicine) Physician · Emergency Medicine Physician · Boston, MA

  • NPI 1104142595
  • 16 yrs on file
  • Licensed in 2 states
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
One Boston Medical Center Place, Dowling 1 North
Boston, MA 02118
(617) 414-7757
fax (617) 414-7759
Additional location
5777 E Mayo Blvd
Phoenix, AZ 850544502
(480) 342-1800
Mailing address
13400 E Shea Blvd
Scottsdale, AZ 852595452

Credentials & registration

NPPES · NUCC
NPI registered
April 2010 — 16 yrs on file
Profile last updated
January 9, 2025
Specialty taxonomy
207RC0200X — NUCC code
State licenses (2)
Arizona #57965 · Massachusetts #260787

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1104142595. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
67
Distinct HCPCS
1
Medicare allowed
$13,846
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 67 39 $207

In context: peer comparison

Among 17 peers in Boston Critical Care Medicine (Internal Medicine) Physician, average services per provider: 92. This provider delivers 0.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Alissa Genthon's medical specialty?
Dr. Alissa Genthon practices Critical Care Medicine (Internal Medicine) Physician in Boston, MA.
Where does Dr. Alissa Genthon practice?
Dr. Alissa Genthon practices at One Boston Medical Center Place, Boston, MA 02118. Office phone: 6174147757.
What is Dr. Alissa Genthon's NPI?
Dr. Alissa Genthon's National Provider Identifier (NPI) is 1104142595, issued by NPPES.
What procedures does Dr. Alissa Genthon commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.