Doctor profile · Federal record

Dr. Peter Anastassiou, M.D.

Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (CMS: Thoracic Surgery) · Surgery Physician · San Francisco, CA

  • NPI 1912904806
  • Accepts Medicare
  • 43 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2100 Webster St, Ste 200
San Francisco, CA 941152373
(415) 600-7860
fax (415) 600-7865

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
June 10, 2015
Year of graduation
1983 — 43 yrs since
Specialty taxonomy
208G00000X — NUCC code
State license (1)
California #A43203
Medicaid
CA #00A432030

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912904806. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
181
Distinct HCPCS
5
Medicare allowed
$25,672
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 74 51 $104
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 38 38 $192
99204 New patient office or other outpatient visit, 45-59 minutes 37 37 $187
99214 Established patient office or other outpatient visit, 30-39 minutes 18 15 $131
64620 Injection of agent to destroy rib nerve 14 14 $101

In context: peer comparison

Among 8 peers in San Francisco Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician, average services per provider: 33. This provider delivers 5.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Peter Anastassiou's medical specialty?
Dr. Peter Anastassiou practices Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician in San Francisco, CA.
Where does Dr. Peter Anastassiou practice?
Dr. Peter Anastassiou practices at 2100 Webster St, San Francisco, CA 941152373. Office phone: 4156007860.
What is Dr. Peter Anastassiou's NPI?
Dr. Peter Anastassiou's National Provider Identifier (NPI) is 1912904806, issued by NPPES.
Does Dr. Peter Anastassiou accept Medicare assignment?
Yes. Dr. Peter Anastassiou accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Peter Anastassiou commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Initial hospital care with moderate level of medical decision making (HCPCS 99223); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.