Physician Profile
Steven J. Portouw, M.D. is a healthcare provider in Encinitas, CA specializing in emergency medicine. Steven trained at Uniformed Services Uhs Fe Hebert School of Med, graduating in 1991. Medicare claims data shows Steven provided 343 services to 268 patients. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and injection, ondansetron hydrochloride, per 1 mg.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
354 SANTA FE DR
Encinitas, CA 92024
Within Emergency Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Abdomen & Digestion
Allergy & Immune
Allergy & Immunology
Bites & Stings
Blood & Circulation
Brain & Nerves
Breathing
Digestion & Stomach
Ear, Nose & Throat
Endocrine & Metabolic
Environmental
Eye Care
Eye Emergency
General Emergency
Heart & Chest
Heart & Circulation
Heart & Lungs
Infections & Illness
Injuries & Trauma
Lungs & Breathing
Men's Health
Poisoning & Environmental
Poisoning & Toxins
Skin & Infections
Spine & Back
Urinary & Bladder
Urinary & Kidney
Women's Health
Abdominal Procedures
Airway & Breathing
Anesthesia & Sedation
Breathing & Airway
Critical Care
Diagnostics
Digestive Care
Ear, Nose & Throat
Eye & ENT
Eye Care
Heart & Diagnostics
Heart Care
Imaging & Diagnostics
Injections & Vaccines
Kidney Care
Lung & Respiratory
Medications
Mental Health
Minor Procedures
Minor Trauma
Orthopedic Procedures
Orthopedics
Poisoning & Toxicology
Specialized Care
Stroke & Vascular
Supportive Care
Toxicology
Women's Health
Wound Care
343 services · 268 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with tracing | Treatment | 93005 |
35 | As often as other peers in Emergency Medicine |
| Injection of drug or substance into vein | Treatment | 96374 |
22 | As often as other peers in Emergency Medicine |
| Injection of additional new drug or substance into vein | Treatment | 96375 |
15 | Less often than most peers in Emergency Medicine |
| Injection, ondansetron hydrochloride, per 1 mg | Drug given | J2405 |
48 | Less often than most peers in Emergency Medicine |
| Injection, ceftriaxone sodium, per 250 mg | Drug given | J0696 |
48 | Less often than most peers in Emergency Medicine |
| Injection, morphine sulfate, up to 10 mg | Drug given | J2270 |
11 | Too few peers to compare |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
52 | As often as other peers in Emergency Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
51 | As often as other peers in Emergency Medicine |
| Automated urinalysis test | Lab test | 81003 |
33 | As often as other peers in Emergency Medicine |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
17 | Less often than most peers in Emergency Medicine |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Steven J. Portouw is an emergency physician in Encinitas, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.
NPI registry
Steven J. Portouw is listed at 354 Santa Fe Dr, Encinitas, CA 92024. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (760) 230-2251. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Steven J. Portouw's National Provider Identifier is 1659371995. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Steven J. Portouw attended Uniformed Services Uhs Fe Hebert School of Med, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
Steven J. Portouw has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Steven J. Portouw provides treatments such as routine electrocardiogram using at least 12 leads with tracing and injection of drug or substance into vein, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Steven J. Portouw. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.