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DR. OSCAR ALBERTO CASTREJON MD
NPI 1508020355
Emergency Medicine in Las Cruces, NM

Active since July 10, 2008PECOS EnrolledAccepts Medicare Assignment
4739 RADIANT CT, LAS CRUCES, NM 88011(575) 640-5187 Get Directions Write a Review

NPPES record last updated: May 6, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 6, 2025, Feb 8, 2019 (2 updates tracked since 2019).

About Dr. Oscar Alberto Castrejon Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. OSCAR ALBERTO CASTREJON MD (NPI 1508020355) is an individual emergency medicine provider in Las Cruces, New Mexico, licensed in Texas (V5247) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Memorial Medical Center, and is a graduate of Other (2005).

NPPES Registry Identity

NPI1508020355
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. OSCAR ALBERTO CASTREJONCredential: MD
Location Address4739 RADIANT CTLas Cruces, NM 88011-7191
Mailing Address1205 S Solano DrLas Cruces, NM 88001-3709 · (575) 640-5187
Phone(575) 640-5187
Sole ProprietorNo
Medical School CMSOtherGraduated 2005
Enumeration DateJuly 10, 2008
Last NPPES UpdateMay 6, 20252 updates tracked since enumeration
NPPES CertifiedMay 6, 2025
✔ NPI 1508020355 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in TX · V5247✔ Licensed in NM · RS2008-0577
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedFamily MedicineTaxonomy 207Q00000X · License RS2008-0577 (NM)
4739 RADIANT CT, Las Cruces, NM 88011
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Oscar Alberto Castrejon Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5395917819
PECOS Enrollment IDI20111005000607
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285
An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.
205 services195 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010
A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.
148 services123 patients
Emergency department visit with moderate level of medical decision making 99284
An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.
116 services112 patients
Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
46 services45 patients
Emergency department visit with low level of medical decision making 99283
An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.
24 services23 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Memorial Medical Center

Acute Care Hospitals · Las Cruces, NM
1/5 CMS rating
OwnershipProprietary
CMS Certification Number320018
Location2450 South Telshor BlvdLas Cruces, NM 88011 · Dona Ana County
Emergency services Birthing friendly

Los Alamos Medical Center

Acute Care Hospitals · Los Alamos, NM
OwnershipProprietary
CMS Certification Number320033
Location3917 West RoadLos Alamos, NM 87544 · Los Alamos County
Emergency services Birthing friendly

Three Crosses Regional Hospital LLC

Acute Care Hospitals · Las Cruces, NM
OwnershipProprietary
CMS Certification Number320091
Location2560 Samaritan DriveLas Cruces, NM 88001 · Dona Ana County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 88011 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$84.79 typical visit price
range $54.26 – $166.80
Typical copayment $21.19 (range $13.56 – $41.70)
Most-billed visit code 99203
Established Patient
$96.38 typical visit price
range $17.00 – $135.35
Typical copayment $24.09 (range $4.25 – $33.83)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims 2

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$82.90 avg. paid by Medicare
Portable gaseous oxygen system, rental; home compressor used to fill portable oxygen cylinders; includes portable containers, regulator, flowmeter, humidifier, cannula or mask, and tubing K0738
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$30.87 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Oscar Castrejon's NPI number?

The NPI number for Oscar Castrejon is 1508020355. It was assigned to this individual provider in the NPPES registry on July 10, 2008.

Where is Oscar Castrejon located?

Oscar Castrejon practices at 4739 Radiant Ct, Las Cruces, NM 88011. The listed phone number is (575) 640-5187.

What is Oscar Castrejon's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Oscar Castrejon enrolled in Medicare?

Yes. Oscar Castrejon is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Oscar Castrejon accept?

Health plans from Blue Cross and Blue Shield of Texas list Oscar Castrejon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Oscar Castrejon affiliated with any hospitals?

According to CMS data, Oscar Castrejon is affiliated with Memorial Medical Center, Los Alamos Medical Center and Three Crosses Regional Hospital LLC.

When was this NPI record last updated?

The NPPES record for Oscar Castrejon was last updated on May 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.