Doctor profile · Federal record

Dr. Douglas Mah, MD

Clinical Cardiac Electrophysiology Physician (CMS: Pediatric Medicine) · Pediatric Cardiology Physician · Boston, MA

  • NPI 1912062324
  • Accepts Medicare
  • 22 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Longwood Avenue, Department of Cardiology
Boston, MA 021155724
(617) 355-6000

Credentials & registration

NPPES · NUCC
NPI registered
December 2006 — 20 yrs on file
Profile last updated
September 18, 2020
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207RC0001X — NUCC code
State license (1)
Massachusetts #244768

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1912062324. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
75
Distinct HCPCS
2
Medicare allowed
$642
HCPCS Description Services Patients Avg allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 51 43 $9
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 24 23 $8

In context: peer comparison

Among 20 peers in Boston Clinical Cardiac Electrophysiology Physician, average services per provider: 88. This provider delivers 0.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$2,717
Transactions
23
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Abbott Laboratories 12 $1,390.13
Medtronic, INC. 8 $1,144.96
Biosense Webster, INC. 2 $136.77
Boston Scientific Corporation 1 $44.74

By nature of payment

Travel and Lodging
$1,962
Food and Beverage
$755

Frequently asked questions

Auto-generated from federal data
What is Dr. Douglas Mah's medical specialty?
Dr. Douglas Mah practices Clinical Cardiac Electrophysiology Physician in Boston, MA.
Where does Dr. Douglas Mah practice?
Dr. Douglas Mah practices at 300 Longwood Avenue, Boston, MA 021155724. Office phone: 6173556000.
What is Dr. Douglas Mah's NPI?
Dr. Douglas Mah's National Provider Identifier (NPI) is 1912062324, issued by NPPES.
Does Dr. Douglas Mah accept Medicare assignment?
Yes. Dr. Douglas Mah accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Douglas Mah commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.