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DR. MARK MICHAEL REYNOLDS M.D.
NPI 1831124577
Emergency Medicine in Laguna Hills, CA

Active since July 11, 2006PECOS Enrolled
94.62/100
CMS Quality Rating
26522 POINSETTIA CT, LAGUNA HILLS, CA 92653(949) 233-2454 Get Directions Write a Review

NPPES record last updated: March 31, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Mark Michael Reynolds M.d. NPPES

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

DR. MARK MICHAEL REYNOLDS M.D. (NPI 1831124577) is an individual emergency medicine provider in Laguna Hills, California, licensed in California (G78047) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1831124577
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. MARK MICHAEL REYNOLDSCredential: M.D.
Location Address26522 POINSETTIA CTLaguna Hills, CA 92653-7556
Mailing Address26522 Poinsettia CtLaguna Hills, CA 92653-7556 · (949) 233-2454
Phone(949) 233-2454
Sole ProprietorYes
Enumeration DateJuly 11, 2006
Last NPPES UpdateMarch 31, 2010
✔ NPI 1831124577 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 · G78047
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.
26522 POINSETTIA CT, Laguna Hills, CA 92653
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Other Identifiers 3

Medicare UPING60732CA
Medicaid00G780470CA
Medicare PINWG78047ACA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Mark Michael Reynolds 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 Mark Reynolds reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Nili N. Alai, MD, Inc.
0.4 mi
Specialist
26081 MERIT CIR STE 109
Laguna Hills, CA 92653
  • Reassigned Medicare billing, California enrollment
  • 5 clinicians in this Medicare group
NPI 1952590135 (949) 582-7699
California Emergency Physc Med Grp
1.7 mi
General Practice
26137 LA PAZ RD, SUITE 120
Mission Viejo, CA 92691
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Cep America - California
  • Also billed through NPI 1588552848 (California)
  • 1,204 clinicians in this Medicare group
NPI 1356503627 (510) 350-2663

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 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.
295 services279 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.
222 services213 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.
65 services65 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.
45 services45 patients
X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
14 services14 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92653 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.

94.62/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality76.67
Improvement Activities40
Cost97.14

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 Mark Reynolds's NPI number?

The NPI number for Mark Reynolds is 1831124577. It was assigned to this individual provider in the NPPES registry on July 11, 2006.

Where is Mark Reynolds located?

Mark Reynolds practices at 26522 Poinsettia Ct, Laguna Hills, CA 92653. The listed phone number is (949) 233-2454.

What is Mark Reynolds's specialty?

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

Is Mark Reynolds enrolled in Medicare?

Yes. Mark Reynolds is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mark Reynolds's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mark Reynolds reassigns Medicare benefits to 2 organizations: Nili N. Alai, MD, Inc. (Laguna Hills, CA) and California Emergency Physc Med Grp (Mission Viejo, CA). 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 Mark Reynolds'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 Mark Reynolds was last updated on March 31, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.