Doctor profile · Federal record

Dr. Stuart Fischer, M.D.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Interventional Cardiology Physician · Los Alamitos, CA

  • NPI 1083656086
  • Accepts Medicare
  • MIPS 86.9 / 100 · 2023
  • 47 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5300 Katella Ave
Los Alamitos, CA 907202808
(562) 430-7533
fax (562) 430-8055

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 21, 2022
Year of graduation
1979 — 47 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
California #G47229
Medicaid
CA #00G472290

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083656086. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
578
Distinct HCPCS
9
Medicare allowed
$65,123
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 368 179 $141
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 57 46 $16
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 32 31 $220
93294 Evaluation of single, dual, multiple lead or leadless pacemaker system, remote up to 90 days 31 13 $32
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 31 13 $27
93280 Programming of dual lead pacemaker system 22 19 $92
93015 Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision and review by physician 15 14 $73
93242 Heart rhythm recording continous external ekg over more than 48 hours up to 7 days 11 11 $14
93244 Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 11 11 $25

In context: peer comparison

Among 5 peers in this city , average services per provider: 210. This provider delivers 2.8× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,242
Transactions
63
Manufacturers
15
Payer (manufacturer) Industry Txns Amount
Novartis Pharmaceuticals Corporation 16 $282.21
PFIZER INC. 11 $158.58
Boehringer Ingelheim Pharmaceuticals, Inc. 9 $147.36
Kiniksa Pharmaceuticals International, plc 5 $106.12
SCPHARMACEUTICALS INC. 3 $70.60
Janssen Pharmaceuticals, Inc 3 $68.82
ATRICURE, INC. 1 $62.23
Amgen Inc. 3 $61.50
E.R. Squibb & Sons, L.L.C. 3 $59.51
Merck Sharp & Dohme LLC 2 $35.87
Actelion Pharmaceuticals US, Inc. 1 $35.21
AstraZeneca Pharmaceuticals LP 2 $33.81
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) 2 $31.31
SANOFI-AVENTIS U.S. LLC 1 $25.31
Boston Scientific Corporation 1 $24.94

By nature of payment

Food and Beverage
$1,242

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,192
Patients
296
Total drug cost
$323,025
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 207 46 $232,020
Metoprolol Succinate Generic 151 45 $2,674
Carvedilol Generic 110 33 $1,527
Atorvastatin Calcium Generic 106 32 $1,698
Metoprolol Tartrate Generic 87 24 $882
Ezetimibe Generic 69 15 $4,746
Rosuvastatin Calcium Generic 69 22 $2,074
Amlodipine Besylate Generic 67 23 $747
Xarelto (Rivaroxaban) Brand 56 15 $66,763
Clopidogrel (Clopidogrel Bisulfate) Brand 54 14 $754

Frequently asked questions

Auto-generated from federal data
What is Dr. Stuart Fischer's medical specialty?
Dr. Stuart Fischer practices Cardiovascular Disease Physician in Los Alamitos, CA.
Where does Dr. Stuart Fischer practice?
Dr. Stuart Fischer practices at 5300 Katella Ave, Los Alamitos, CA 907202808. Office phone: 5624307533.
What is Dr. Stuart Fischer's NPI?
Dr. Stuart Fischer's National Provider Identifier (NPI) is 1083656086, issued by NPPES.
Does Dr. Stuart Fischer accept Medicare assignment?
Yes. Dr. Stuart Fischer accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Stuart Fischer commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306). Source: CMS Medicare Physician & Other Practitioners file.