Doctor profile · Federal record

Dr. Kevin Masek, M.D.

Emergency Medicine Physician · San Mateo, CA

  • NPI 1811280563
  • MIPS 86.3 / 100 · 2023
  • 15 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
222 W 39Th Ave
San Mateo, CA 944034364
(402) 770-2357
Mailing address
857 Union St Apt B
San Francisco, CA 941332618

Credentials & registration

NPPES · NUCC
NPI registered
May 2011 — 15 yrs on file
Profile last updated
October 17, 2014
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #A122087

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1811280563. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
113
Distinct HCPCS
3
Medicare allowed
$14,488
HCPCS Description Services Patients Avg allowed
99284 Emergency department visit with moderate level of medical decision making 46 46 $130
99285 Emergency department visit with high level of medical decision making 44 43 $189
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 23 21 $9

In context: peer comparison

Among 6 peers in this city , average services per provider: 62. This provider delivers 1.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
11
Patients
11
Total drug cost
$45
Drug Type Claims Patients Total cost
Ibuprofen Generic 11 11 $45

Frequently asked questions

Auto-generated from federal data
What is Dr. Kevin Masek's medical specialty?
Dr. Kevin Masek practices Emergency Medicine Physician in San Mateo, CA.
Where does Dr. Kevin Masek practice?
Dr. Kevin Masek practices at 222 W 39Th Ave, San Mateo, CA 944034364. Office phone: 4027702357.
What is Dr. Kevin Masek's NPI?
Dr. Kevin Masek's National Provider Identifier (NPI) is 1811280563, issued by NPPES.
What procedures does Dr. Kevin Masek commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with high level of medical decision making (HCPCS 99285); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010). Source: CMS Medicare Physician & Other Practitioners file.