Doctor profile · Federal record

Dr. Steven Portouw, M.D.

Emergency Medicine Physician (CMS: Emergency Medicine) · Encinitas, CA

  • NPI 1659371995
  • Accepts Medicare
  • 35 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
354 Santa Fe Dr
Encinitas, CA 920245142
(760) 230-2251
Mailing address
Po Box 230760
Encinitas, CA 920230760

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
July 24, 2015
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
207P00000X — NUCC code
State license (1)
California #G85996

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1659371995. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
332
Distinct HCPCS
9
Medicare allowed
$15,756
HCPCS Description Services Patients Avg allowed
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing 52 49 $7
99213 Established patient office or other outpatient visit, 20-29 minutes 51 51 $96
99214 Established patient office or other outpatient visit, 30-39 minutes 48 47 $135
J0696 Injection, ceftriaxone sodium, per 250 mg 44 11 $1
J2405 Injection, ondansetron hydrochloride, per 1 mg 44 11 $0
81003 Automated urinalysis test 31 31 $2
96374 Injection of drug or substance into vein 27 27 $42
99203 New patient office or other outpatient visit, 30-44 minutes 22 22 $120
96361 Infusion into a vein for hydration, each additional hour 13 11 $14

In context: peer comparison

Among 12 peers in this city , average services per provider: 80. This provider delivers 4.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
56
Patients
55
Total drug cost
$607
Drug Type Claims Patients Total cost
Diclofenac Sodium Generic 17 17 $390
Cephalexin Generic 14 13 $57
Doxycycline Hyclate Generic 14 14 $109
Ondansetron Odt (Ondansetron) Brand 11 11 $50

Frequently asked questions

Auto-generated from federal data
What is Dr. Steven Portouw's medical specialty?
Dr. Steven Portouw practices Emergency Medicine Physician in Encinitas, CA.
Where does Dr. Steven Portouw practice?
Dr. Steven Portouw practices at 354 Santa Fe Dr, Encinitas, CA 920245142. Office phone: 7602302251.
What is Dr. Steven Portouw's NPI?
Dr. Steven Portouw's National Provider Identifier (NPI) is 1659371995, issued by NPPES.
Does Dr. Steven Portouw accept Medicare assignment?
Yes. Dr. Steven Portouw accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steven Portouw commonly perform?
Top Medicare-reported procedures in 2023: Routine electrocardiogram (ecg) using at least 12 leads with tracing (HCPCS 93005); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.