Doctor profile · Federal record

Dr. William Ruzicka, MD, PHD

Psychiatry Physician (CMS: Psychiatry) · Psychiatry Physician · Belmont, MA

  • NPI 1225297765
  • Accepts Medicare
  • MIPS 70.5 / 100 · 2023
  • 18 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
115 Mill Street, McLean Hospital
Belmont, MA 02478
(617) 855-2000

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
June 22, 2012
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
2084P0800X — NUCC code
State licenses (2)
Massachusetts #246523 · Massachusetts #L-236646

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225297765. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
88
Distinct HCPCS
1
Medicare allowed
$4,708
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 88 35 $53

In context: peer comparison

Among 20 peers in this city , average services per provider: 134. This provider delivers 0.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. William Ruzicka's medical specialty?
Dr. William Ruzicka practices Psychiatry Physician in Belmont, MA.
Where does Dr. William Ruzicka practice?
Dr. William Ruzicka practices at 115 Mill Street, Belmont, MA 02478. Office phone: 6178552000.
What is Dr. William Ruzicka's NPI?
Dr. William Ruzicka's National Provider Identifier (NPI) is 1225297765, issued by NPPES.
Does Dr. William Ruzicka accept Medicare assignment?
Yes. Dr. William Ruzicka accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Ruzicka commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231). Source: CMS Medicare Physician & Other Practitioners file.