DR. JEFFREY ALAN REY M.D.
NPI 1477587327
Emergency Medicine in Mission Viejo, CA

Q: What is Jeffrey Rey's NPI number?

The NPI number for Jeffrey Rey is 1477587327. It was assigned to this individual provider in the NPPES registry on July 10, 2006.

Q: What is Jeffrey Rey's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Jeffrey Rey was last updated on June 27, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.

Active since July 10, 2006PECOS Enrolled

27700 MEDICAL CENTER RD, MISSION VIEJO, CA 92691(949) 364-1400(949) 365-4941 Get Directions Write a Review

NPPES record last updated: June 27, 2008. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Dr. Jeffrey Alan Rey M.d. NPPES

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

DR. JEFFREY ALAN REY M.D. (NPI 1477587327) is an individual emergency medicine provider in Mission Viejo, California, licensed in California (A35481) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1477587327

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameDR. JEFFREY ALAN REYCredential: M.D.

Location Address27700 MEDICAL CENTER RDMission Viejo, CA 92691-6426

Mailing AddressPo Box 660099Arcadia, CA 91066-0099 · (626) 447-0296 · Fax (626) 447-6057

Phone(949) 364-1400

Fax(949) 365-4941

Sole ProprietorYes

Enumeration DateJuly 10, 2006

Last NPPES UpdateJune 27, 2008

✔ NPI 1477587327 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 · A35481

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.

27700 MEDICAL CENTER RD, Mission Viejo, CA 92691

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Other Identifiers 3

Medicare UPINF47036CA

Medicaid00A354810CA

Medicare PINWA35481BCA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Jeffrey Alan Rey 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

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

Mission Viejo Emergency Medical Associates

Same address

Emergency Medicine

27700 MEDICAL CENTER RD
Mission Viejo, CA 92691

Reassigned Medicare billing, California enrollment
86 clinicians in this Medicare group

NPI 1073542916 (844) 474-4019

Mission Viejo Emergency Medical Associates, Inc.

6.0 mi

Emergency Medicine

31872 COAST HWY
Laguna Beach, CA 92651

Reassigned Medicare billing, California enrollment
110 clinicians in this Medicare group

NPI 1134355597 (844) 474-4019

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 4

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.

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.

159 services129 patients

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.

148 services145 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.

59 services58 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.

43 services43 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92691 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.

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.

CHELSEA ZIMMERMAN

Nurse Practitioner (Acute Care)