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WILLIAM P KLEIN MD
NPI 1205834819
Internal Medicine in Newport Beach, CA

Active since July 08, 2005PECOS EnrolledAccepts Medicare Assignment
100/100
CMS Quality Rating
1501 SUPERIOR AVE, #111, NEWPORT BEACH, CA 92663(949) 274-8030(949) 642-3127 Get Directions Write a Review

NPPES record last updated: January 17, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About William P Klein Md NPPES

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

WILLIAM P KLEIN MD (NPI 1205834819) is an individual internal medicine provider in Newport Beach, California, licensed in California (G14712) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and is a graduate of State University Of New York Downstate Medical Center (1966).

NPPES Registry Identity

NPI1205834819
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameWILLIAM P KLEINCredential: MD
Location Address1501 SUPERIOR AVE, #111Newport Beach, CA 92663-3600
Mailing Address1501 Superior Ave, #111Newport Beach, CA 92663-3600 · (949) 274-8030 · Fax (949) 642-3127
Phone(949) 274-8030
Fax(949) 642-3127
Sole ProprietorNo
Medical School CMSState University Of New York Downstate Medical CenterGraduated 1966
Enumeration DateJuly 8, 2005
Last NPPES UpdateJanuary 17, 2008
✔ NPI 1205834819 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · G14712
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
1501 SUPERIOR AVE, Newport Beach, CA 92663
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Other Identifiers 2

Medicaid00G147120CA
Medicare PINWG14712DCA

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 P Klein 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 ID7810977857
PECOS Enrollment IDI20040721001089
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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
706 services246 patients
Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more 99215
This service involves a follow-up appointment for existing patients, lasting between 40 to 54 minutes. During this time, your healthcare provider will assess your current health status, discuss any changes or concerns, review your treatment plan, and answer any questions you may have.
225 services221 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
212 services212 patients
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000
An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.
144 services139 patients
Test to measure expiratory airflow and volume 94010
This test, known as spirometry, assesses how well your lungs work. It measures how much air you can inhale, how much you can exhale and how quickly you can exhale. It's non-invasive and helps diagnose conditions like asthma or COPD.
134 services109 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
37 services37 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92663 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
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
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.

100/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality100
Improvement Activities40

Reported Quality Measures

Advance Care Plan
100%508 patients5/55-star benchmark: 100%
Controlling High Blood Pressure
85%284 patients4/55-star benchmark: 98%
Documentation of Current Medications in the Medical Record
100%1,881 patients5/55-star benchmark: 100%
Falls: Plan of Care
100%43 patients
Falls: Screening for Future Fall Risk
100%500 patients5/55-star benchmark: 100%
Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
100%719 patients5/55-star benchmark: 100%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Referred Medical Equipment & Supplies CMS DME claims 4

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

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
1 supplier12 claims12 services$13.62 avg. paid by Medicare
Continuous positive airway pressure (cpap) device E0601
DME-Other DME · category DE001N
1 supplier12 claims12 services$25.80 avg. paid by Medicare
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
2 suppliers24 claims24 services$59.65 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$31.53 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DENA AMR MD INC
Surgery
1501 SUPERIOR AVE, SUITE 202
NEWPORT BEACH, CA 92663
Orange County (949) 631-3454
LAUREN ANN MESSELBECK L.AC.
Acupuncturist
1501 SUPERIOR AVE, SUITE 300
NEWPORT BEACH, CA 92663
Orange County (949) 836-2857
DR. GARY S MCCARTER DPM
Podiatrist (Foot & Ankle Surgery)
1501 SUPERIOR AVE, SUITE 110
NEWPORT BEACH, CA 92663
Orange County (949) 631-4099
RYAN M KLEIN MD
Internal Medicine
1501 SUPERIOR AVE, STE 111
NEWPORT BEACH, CA 92663
Orange County (949) 274-8030
LIANG REN DDS
Dentist (General Practice)
1501 SUPERIOR AVE, SUITE306
NEWPORT BEACH, CA 92663
Orange County (949) 218-1408
JOHNNY WONG DDS INC.
Dentist
1501 SUPERIOR AVE, SUITE 200
NEWPORT BEACH, CA 92663
Orange County (949) 642-9928
MILLER COSMETICS INC. A MEDICAL CORPORATION
Otolaryngology (Otolaryngology/Facial Plastic Surgery)
1501 SUPERIOR AVE, SUITE 301
NEWPORT BEACH, CA 92663
Orange County (909) 215-9463
BONNIE VIRGINIA BOCK MD
Internal Medicine (Infectious Disease)
1501 SUPERIOR AVE, SUITE 300
NEWPORT BEACH, CA 92663
Orange County (949) 645-9010

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 Klein's NPI number?

The NPI number for William Klein is 1205834819. It was assigned to this individual provider in the NPPES registry on July 8, 2005.

Where is William Klein located?

William Klein practices at 1501 Superior Ave #111, Newport Beach, CA 92663. The listed phone number is (949) 274-8030.

What is William Klein's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is William Klein enrolled in Medicare?

Yes. William Klein 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 Klein was last updated on January 17, 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.