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WILLIAM JAMES GREEN M.D.
NPI 1891758686
Emergency Medicine - Emergency Medical Services in Newport Beach, CA

Active since April 11, 2006PECOS EnrolledAccepts Medicare Assignment
75/100
CMS Quality Rating
ONE HOAG DR, ECU DEPT., NEWPORT BEACH, CA 92658(949) 764-5689(405) 749-4561 Get Directions Write a Review

NPPES record last updated: August 23, 2010. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About William James Green M.d. NPPES

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

WILLIAM JAMES GREEN M.D. (NPI 1891758686) is an individual emergency medical services provider in Newport Beach, California, licensed in California (G70480) and active in the NPI registry since April 2006. He is enrolled in Medicare PECOS and is a graduate of Saint Louis University School Of Medicine (1989).

NPPES Registry Identity

NPI1891758686
Entity TypeIndividualMale
Primary Taxonomy207PE0004X
Provider Legal NameWILLIAM JAMES GREENCredential: M.D.
Location AddressONE HOAG DR, ECU DEPT.Newport Beach, CA 92658-6100
Mailing AddressPo Box 720300Oklahoma City, OK 73172-0300 · (800) 749-4560 · Fax (405) 749-4561
Phone(949) 764-5689
Fax(405) 749-4561
Sole ProprietorYes
Medical School CMSSaint Louis University School Of MedicineGraduated 1989
Enumeration DateApril 11, 2006
Last NPPES UpdateAugust 23, 2010
✔ NPI 1891758686 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency Medicine · Emergency Medical ServicesAllopathic & Osteopathic Physicians
Taxonomy Code207PE0004X
License✔ Licensed in CA · G70480
Definition
An emergency medicine physician who specializes in non-hospital based emergency medical services (e.g., disaster site, accident scene, transport vehicle, etc.) to provide pre-hospital assessment, treatment, and transport patients.
ONE HOAG DR, Newport Beach, CA 92658
Open in Google Maps ↗

Other Identifiers 6

Other00G704800CA · Blue Shield
Medicare ID-Type UnspecifiedWG70480DCA
OtherP00242841CA · Rr Medicare
Medicare UPINE99102CA
Medicaid00G704800670CA
Medicaid00G704800CA

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

William James Green M.d. 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 ID4688636012
PECOS Enrollment IDI20041028000680
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 8

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.
484 services472 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.
254 services227 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.
126 services124 patients
Ultrasound of heart, follow-up 93308
A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.
121 services120 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.
69 services69 patients
Ultrasound scan of chest 76604
An ultrasound scan of the chest is a non-invasive imaging procedure that uses sound waves to create pictures of the structures within your chest, such as your heart and lungs. It's a safe, painless method that helps doctors diagnose and monitor various conditions.
63 services63 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92658 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.

75/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice

Other Providers at the Same Location NPPES

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

JOANNA CHAU JANE CHEN M.D.
Emergency Medicine (Emergency Medical Services)
ONE HOAG DR, ECU DEPT.
NEWPORT BEACH, CA 92658
Orange County (949) 764-5689

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 William Green's NPI number?

The NPI number for William Green is 1891758686. It was assigned to this individual provider in the NPPES registry on April 11, 2006.

Where is William Green located?

William Green practices at One Hoag Dr Ecu Dept., Newport Beach, CA 92658. The listed phone number is (949) 764-5689.

What is William Green's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Emergency Medical Services, with taxonomy code 207PE0004X.

Is William Green enrolled in Medicare?

Yes. William Green 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.

When was this NPI record last updated?

The NPPES record for William Green was last updated on August 23, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.