Doctor profile · Federal record

Dr. Marshal Fox, M.D.

Clinical Cardiac Electrophysiology Physician (CMS: Cardiac Electrophysiology) · Cardiovascular Disease Physician · Springfield, MA

  • NPI 1093962334
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3300 Main Street, 2Nd Floor Suite A
Springfield, MA 011071112
(413) 794-2273
fax (413) 794-0198
Mailing address
280 Chestnut St, 2Nd Floor
Springfield, MA 011991001

Credentials & registration

NPPES · NUCC
NPI registered
August 2008 — 18 yrs on file
Profile last updated
February 2, 2018
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207RC0001X — NUCC code
State license (1)
Massachusetts #237365

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093962334. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,418
Distinct HCPCS
10
Medicare allowed
$225,548
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 2,285 1,614 $8
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 139 136 $12
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 137 136 $8
99214 Established patient office or other outpatient visit, 30-39 minutes 134 130 $98
93248 Heart rhythm review and interpretation of continous external ekg over 8-15 days 87 69 $26
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 72 71 $175
99205 New patient office or other outpatient visit, 60-74 minutes 66 66 $180
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 62 62 $131
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 60 33 $120
99204 New patient office or other outpatient visit, 45-59 minutes 51 51 $134

In context: peer comparison

Among 3 peers in this city , average services per provider: 149. This provider delivers 23× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,554
Transactions
9
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 6 $1,188.73
Medtronic, Inc. 1 $150.14
Boston Scientific Corporation 1 $120.02
Biosense Webster, Inc. 1 $95.25

By nature of payment

Food and Beverage
$795
Travel and Lodging
$759

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,456
Patients
366
Total drug cost
$500,305
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 386 85 $397,043
Metoprolol Succinate Generic 335 84 $7,679
Flecainide Acetate Generic 198 53 $12,645
Amiodarone Hcl Generic 103 32 $2,339
Xarelto (Rivaroxaban) Brand 58 16 $72,162
Diltiazem 24hr Er (Cd) (Diltiazem Hcl) Brand 54 15 $2,299
Metoprolol Tartrate Generic 54 15 $407
Sotalol (Sotalol Hcl) Brand 41 11 $1,248
Carvedilol Generic 40 13 $511
Furosemide Generic 38 18 $220

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Marshal Fox's medical specialty?
Dr. Marshal Fox practices Clinical Cardiac Electrophysiology Physician in Springfield, MA.
Where does Dr. Marshal Fox practice?
Dr. Marshal Fox practices at 3300 Main Street, Springfield, MA 011071112. Office phone: 4137942273.
What is Dr. Marshal Fox's NPI?
Dr. Marshal Fox's National Provider Identifier (NPI) is 1093962334, issued by NPPES.
Does Dr. Marshal Fox accept Medicare assignment?
Yes. Dr. Marshal Fox accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marshal Fox commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older) (HCPCS 99152); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.