Doctor profile · Federal record

Dr. Clark Cassone, MSN, FNP-BC

Nurse Practitioner · Family Nurse Practitioner · Boston, MA

  • NPI 1720335615
  • MIPS 83.1 / 100 · 2023
  • 14 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
55 Fruit St
Boston, MA 021142696
(617) 724-9197
Additional location
450 Brookline Ave
Boston, MA 02215
(617) 632-6464
fax (617) 632-6180
Additional location
1100 9Th Ave, MS:H15-1550
Seattle, WA 981012756
(206) 341-0708
fax (206) 341-0625
Mailing address
450 Brookline Ave
Boston, MA 022155450

Credentials & registration

NPPES · NUCC
NPI registered
August 2012 — 14 yrs on file
Profile last updated
January 3, 2024
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Massachusetts #RN2269715

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720335615. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
130
Distinct HCPCS
4
Medicare allowed
$12,252
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 73 41 $72
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 25 17 $108
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 19 19 $118
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 13 13 $158

In context: peer comparison

Among 151 peers in this city , average services per provider: 101. This provider delivers 1.3× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Clark Cassone's medical specialty?
Dr. Clark Cassone practices Nurse Practitioner in Boston, MA.
Where does Dr. Clark Cassone practice?
Dr. Clark Cassone practices at 55 Fruit St, Boston, MA 021142696. Office phone: 6177249197.
What is Dr. Clark Cassone's NPI?
Dr. Clark Cassone's National Provider Identifier (NPI) is 1720335615, issued by NPPES.
What procedures does Dr. Clark Cassone commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.