Doctor profile · Federal record

Dr. Mark Tanenbaum, M.D.

Cardiovascular Disease Physician (CMS: Cardiovascular Disease (Cardiology)) · Fairfax, VA

  • NPI 1114929247
  • Accepts Medicare
  • 40 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3580 Joseph Siewick Dr Ste 305
Fairfax, VA 220331764
(703) 648-3266
fax (703) 648-3264
Additional location
4825 Mark Center Dr Ste 150
Alexandria, VA 223111846
(703) 751-8111
fax (703) 751-1105
Mailing address
2901 Telestar CT., #300
Falls Church, VA 220421263

Credentials & registration

NPPES · NUCC
NPI registered
June 2005 — 21 yrs on file
Profile last updated
August 25, 2022
Year of graduation
1986 — 40 yrs since
Specialty taxonomy
207RC0000X — NUCC code
State license (1)
Virginia #0101043105
Medicaid (3)
DC #031738500 · VA #1114929247 · MD #121300800

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114929247. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,554
Distinct HCPCS
10
Medicare allowed
$222,289
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 767 609 $144
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 537 522 $17
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 402 349 $9
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 228 228 $113
99204 New patient office or other outpatient visit, 45-59 minutes 102 102 $187
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99 82 $132
99213 Established patient office or other outpatient visit, 20-29 minutes 84 79 $103
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 77 77 $75
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 74 69 $87
93244 Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 46 46 $26

In context: peer comparison

Among 11 peers in Fairfax Cardiovascular Disease Physician, average services per provider: 129. This provider delivers 20× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$210
Transactions
6
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 1 $111.15
Pfizer INC. 2 $46.27
Amgen INC. 1 $21.12
Genzyme Corporation 1 $18.16
Novartis Pharmaceuticals Corporation 1 $13.14

By nature of payment

Food and Beverage
$210

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,484
Patients
512
Total drug cost
$260,338
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 328 106 $5,140
Metoprolol Succinate Generic 189 68 $3,818
Amlodipine Besylate Generic 146 51 $896
Eliquis (Apixaban) Brand 125 46 $183,351
Ezetimibe Generic 106 31 $5,354
Rosuvastatin Calcium Generic 92 32 $2,782
Furosemide Generic 68 34 $487
Lisinopril Generic 67 24 $532
Carvedilol Generic 62 21 $767
Losartan Potassium Generic 57 23 $670

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Tanenbaum's medical specialty?
Dr. Mark Tanenbaum practices Cardiovascular Disease Physician in Fairfax, VA.
Where does Dr. Mark Tanenbaum practice?
Dr. Mark Tanenbaum practices at 3580 Joseph Siewick Dr Ste 305, Fairfax, VA 220331764. Office phone: 7036483266.
What is Dr. Mark Tanenbaum's NPI?
Dr. Mark Tanenbaum's National Provider Identifier (NPI) is 1114929247, issued by NPPES.
Does Dr. Mark Tanenbaum accept Medicare assignment?
Yes. Dr. Mark Tanenbaum accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Tanenbaum 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); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.