Doctor profile · Federal record

Dr. Mark Villalon, MD

Interventional Cardiology Physician (CMS: Interventional Cardiology) · Internal Medicine Physician · Napa, CA

  • NPI 1720249816
  • Accepts Medicare
  • 18 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3443 Villa Ln, Suite 2
Napa, CA 945586417
(707) 253-8280

Credentials & registration

NPPES · NUCC
NPI registered
June 2008 — 18 yrs on file
Profile last updated
July 12, 2016
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207RI0011X — NUCC code
State licenses (2)
California #A129668 · Massachusetts #256817
Medicaid
MA #110094017A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720249816. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
2,982
Distinct HCPCS
10
Medicare allowed
$374,875
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 843 440 $142
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 220 190 $226
93306 Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 216 208 $73
99215 Established patient office or other outpatient visit, 40-54 minutes 196 127 $198
93297 Evaluation of implantable heart and blood vessel monitoring system, remote up to 30 days 148 35 $27
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 101 96 $185
93296 Evaluation of single, dual, multiple lead or leadless pacemaker system or implantable defibrillator system, remote up to 90 days 99 37 $28
99152 Use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes 95 84 $13
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 89 56 $83
J2785 Injection, regadenoson, 0.1 mg 88 21 $55

In context: peer comparison

Among 3 peers in Napa Interventional Cardiology Physician, average services per provider: 113. This provider delivers 26× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,179
Transactions
37
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
Inari Medical, INC. 13 $499.33
Biotronik INC. 3 $176.18
Abbott Laboratories 3 $111.49
Philips North America LLC 4 $63.81
Kestra Medical Technology Services, INC. 2 $62.94
Boston Scientific Corporation 2 $54.16
Baxter Healthcare 2 $50.53
Biosense Webster, INC. 1 $36.76
Janssen Pharmaceuticals, INC 2 $30.83
Atricure, INC. 1 $27.77
Heartflow, INC. 2 $27.50
Novartis Pharmaceuticals Corporation 1 $19.31
AstraZeneca Pharmaceuticals Lp 1 $18.13

By nature of payment

Food and Beverage
$1,179

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,730
Patients
600
Total drug cost
$445,365
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 323 106 $6,096
Metoprolol Succinate Generic 195 63 $3,466
Eliquis (Apixaban) Brand 176 56 $242,111
Amlodipine Besylate Generic 163 53 $2,125
Metoprolol Tartrate Generic 149 54 $1,822
Carvedilol Generic 112 37 $1,456
Lisinopril Generic 86 31 $892
Rosuvastatin Calcium Generic 83 25 $3,717
Jardiance (Empagliflozin) Brand 77 32 $111,704
Spironolactone Generic 77 33 $1,239

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Villalon's medical specialty?
Dr. Mark Villalon practices Interventional Cardiology Physician in Napa, CA.
Where does Dr. Mark Villalon practice?
Dr. Mark Villalon practices at 3443 Villa Ln, Napa, CA 945586417. Office phone: 7072538280.
What is Dr. Mark Villalon's NPI?
Dr. Mark Villalon's National Provider Identifier (NPI) is 1720249816, issued by NPPES.
Does Dr. Mark Villalon accept Medicare assignment?
Yes. Dr. Mark Villalon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Villalon commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306); Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (HCPCS 93306). Source: CMS Medicare Physician & Other Practitioners file.