Doctor profile · Federal record

Dr. Rachel Ishikawa, PH.D.

Clinical Psychologist · Cognitive & Behavioral Psychologist · Boston, MA

  • NPI 1942646138
  • Accepts Medicare
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
55 Fruit Street, Wang Ambulatory Care Center
Boston, MA 02114
(617) 724-5600

Credentials & registration

NPPES · NUCC
NPI registered
May 2013 — 13 yrs on file
Profile last updated
March 17, 2017
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
Massachusetts #10076

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1942646138. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
226
Distinct HCPCS
3
Medicare allowed
$25,063
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 109 20 $135
90834 Psychotherapy, 45 minutes 100 22 $92
90832 Psychotherapy, 30 minutes 17 11 $69

In context: peer comparison

Among 12 peers in this city , average services per provider: 113. This provider delivers 2.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Rachel Ishikawa's medical specialty?
Dr. Rachel Ishikawa practices Clinical Psychologist in Boston, MA.
Where does Dr. Rachel Ishikawa practice?
Dr. Rachel Ishikawa practices at 55 Fruit Street, Boston, MA 02114. Office phone: 6177245600.
What is Dr. Rachel Ishikawa's NPI?
Dr. Rachel Ishikawa's National Provider Identifier (NPI) is 1942646138, issued by NPPES.
Does Dr. Rachel Ishikawa accept Medicare assignment?
Yes. Dr. Rachel Ishikawa accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Rachel Ishikawa commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837); Psychotherapy (HCPCS 90834); Psychotherapy (HCPCS 90832). Source: CMS Medicare Physician & Other Practitioners file.