Doctor profile · Federal record

Dr. Claire Cronin, M.D.

Surgery Physician (CMS: General Surgery) · Boston, MA

  • NPI 1720084833
  • Accepts Medicare
  • 31 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
133 Brookline Ave
Boston, MA 022153904
(617) 421-8749
fax (617) 421-2236

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
February 10, 2021
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
208600000X — NUCC code
State license (1)
Massachusetts #204344
Medicaid
MA #3209121

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720084833. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
153
Distinct HCPCS
5
Medicare allowed
$31,974
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 60 58 $99
99214 Established patient office or other outpatient visit, 30-39 minutes 45 43 $138
19301 Partial removal of breast 19 18 $712
99205 New patient office or other outpatient visit, 60-74 minutes 18 18 $239
99204 New patient office or other outpatient visit, 45-59 minutes 11 11 $182

In context: peer comparison

Among 61 peers in Boston Surgery Physician, average services per provider: 58. This provider delivers 2.6× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Claire Cronin's medical specialty?
Dr. Claire Cronin practices Surgery Physician in Boston, MA.
Where does Dr. Claire Cronin practice?
Dr. Claire Cronin practices at 133 Brookline Ave, Boston, MA 022153904. Office phone: 6174218749.
What is Dr. Claire Cronin's NPI?
Dr. Claire Cronin's National Provider Identifier (NPI) is 1720084833, issued by NPPES.
Does Dr. Claire Cronin accept Medicare assignment?
Yes. Dr. Claire Cronin accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Claire Cronin commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Partial removal of breast (HCPCS 19301). Source: CMS Medicare Physician & Other Practitioners file.