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DR. DORIAN RAMIREZ M.D.
NPI 1609074020
Emergency Medicine in Torrance, CA

Active since July 06, 2007PECOS Enrolled
93.11/100
CMS Quality Rating
1000 W CARSON ST, BOX 21, TORRANCE, CA 90502(310) 222-3500 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Dorian Ramirez M.d. NPPES

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

DR. DORIAN RAMIREZ M.D. (NPI 1609074020) is an individual emergency medicine provider in Torrance, California, licensed in California (A96530) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1609074020
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. DORIAN RAMIREZCredential: M.D.
Location Address1000 W CARSON ST, BOX 21Torrance, CA 90502-2004
Mailing Address1000 W Carson St, Box 21Torrance, CA 90502-2004 · (310) 222-3500
Phone(310) 222-3500
Sole ProprietorNo
Enumeration DateJuly 6, 2007
Last NPPES UpdateJuly 8, 2007
✔ NPI 1609074020 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in CA · A96530
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.
1000 W CARSON ST, Torrance, CA 90502
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Dorian Ramirez M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Medicare Billing Reassignments

2

Medicare enrollment records show Dorian Ramirez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Providence Health & Services - Oregon
839 mi
General Acute Care Hospital
4805 NE GLISAN ST
Portland, OR 97213
  • Reassigned Medicare billing, Oregon enrollment
  • 676 clinicians in this Medicare group
NPI 1003991845 (503) 451-3000
Providence Health & Services - Oregon
840 mi
General Acute Care Hospital
9205 SW BARNES RD
Portland, OR 97225
  • Reassigned Medicare billing, Oregon enrollment
  • 753 clinicians in this Medicare group
NPI 1114015971 (503) 451-3000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

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.
125 services124 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.
50 services49 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.
21 services21 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90502 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
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

93.11/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality94.14
Promoting Interoperability100
Improvement Activities40
Cost78.74

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MISS BRITTANY IRVINE M.A.
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (310) 222-2345
DEPAREMENT OF MANTAL HEALTH
Case Management
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (310) 222-1648
DINA M MEZA
Nurse Practitioner (Family)
1000 W CARSON ST, HEAD AND NECK BOX 6
TORRANCE, CA 90502
Los Angeles County (310) 222-2741
MARIA GUADALUPE VALADEZ
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (559) 789-1327
ESTEBAN COTA
Specialist
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (310) 222-2345
MS. DAWN MARIE TLUSTY RN
Registered Nurse (Infusion Therapy)
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (310) 222-1906
DR. NICOLE MOORE MD
Student in an Organized Health Care Education/Training Program
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (310) 222-2345
KENTON YUJI SAKURAI
Psychiatry & Neurology (Psychiatry)
1000 W CARSON ST
TORRANCE, CA 90502
Los Angeles County (424) 306-4000

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 Dorian Ramirez's NPI number?

The NPI number for Dorian Ramirez is 1609074020. It was assigned to this individual provider in the NPPES registry on July 6, 2007.

Where is Dorian Ramirez located?

Dorian Ramirez practices at 1000 W Carson St Box 21, Torrance, CA 90502. The listed phone number is (310) 222-3500.

What is Dorian Ramirez's specialty?

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

Is Dorian Ramirez enrolled in Medicare?

Yes. Dorian Ramirez is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Dorian Ramirez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dorian Ramirez reassigns Medicare benefits to 2 organizations: Providence Health & Services - Oregon (Portland, OR) and Providence Health & Services - Oregon (Portland, OR). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Dorian Ramirez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Dorian Ramirez was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.