DR. BRET A. WITTER M.D.
NPI 1396783387
Internal Medicine - Cardiovascular Disease in Los Alamitos, CA

Active since June 03, 2006PECOS EnrolledAccepts Medicare Assignment
88.68/100
CMS Quality Rating
5300 KATELLA AVE, LOS ALAMITOS, CA 90720(562) 430-7533(562) 430-8055 Get Directions Write a Review

NPPES record last updated: October 11, 2018. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Oct 11, 2018, Apr 1, 2016 (2 updates tracked since 2016).

About Dr. Bret A. Witter M.d. NPPES

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

DR. BRET A. WITTER M.D. (NPI 1396783387) is an individual cardiovascular disease provider in Los Alamitos, California, licensed in California (A45250) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Baylor College Of Medicine (1987).

NPPES Registry Identity

NPI1396783387
Entity TypeIndividualMale
Primary Taxonomy207RC0000X
Provider Legal NameDR. BRET A. WITTERCredential: M.D.
Location Address5300 KATELLA AVELos Alamitos, CA 90720-2808
Mailing Address5300 Katella AveLos Alamitos, CA 90720-2808 · (562) 430-7533 · Fax (562) 430-8055
Fax(562) 430-8055
Sole ProprietorNo
Medical School CMSBaylor College Of MedicineGraduated 1987
Enumeration DateJune 3, 2006
Last NPPES UpdateOctober 11, 20182 updates tracked since enumeration
NPI 1396783387 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RC0000X
License Licensed in CA · A45250
Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

5300 KATELLA AVE, Los Alamitos, CA 90720

Other Identifiers 1

Medicaid00A452500CA

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

Dr. Bret A. Witter 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 ID446349427
PECOS Enrollment IDI20071128000346
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 31

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.
1,195 services565 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.
923 services769 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.
358 services273 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
259 services104 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
200 services192 patients
Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306
This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.
132 services128 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90720 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
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
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.

88.68/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Individually scored
Quality73.24
Promoting Interoperability100
Improvement Activities40

Reported Quality Measures

Controlling High Blood Pressure
80%473 patients4/55-star benchmark: 98%
Coronary Artery Disease (CAD): Angiotensin-Converting Enzyme (ACE) Inhibitor or Angiotensin Receptor Blocker (ARB) Therapy - Diabetes or Left Ventricular Systolic Dysfunction (LVEF <= 40%)
86%21 patients4/55-star benchmark: 100%
Coronary Artery Disease (CAD): Antiplatelet Therapy
90%278 patients4/55-star benchmark: 100%
Documentation of Current Medications in the Medical Record
96%2,573 patients4/55-star benchmark: 100%
e-Prescribing
99%996 patients4/55-star benchmark: 100%
Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented
29%1,193 patients2/55-star benchmark: 100%
Provide Patients Electronic Access to Their Health Information
88%532 patients4/55-star benchmark: 100%
Statin Therapy for the Prevention and Treatment of Cardiovascular Disease
76%505 patients3/55-star benchmark: 91%
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.

Other Providers at the Same Location NPPES 13

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

Nurse Practitioner
5300 KATELLA AVE
LOS ALAMITOS, CA 90720
Internal Medicine
5300 KATELLA AVE
LOS ALAMITOS, CA 90720
Internal Medicine
5300 KATELLA AVE
LOS ALAMITOS, CA 90720
Physician Assistant (Medical)
5300 KATELLA AVE
LOS ALAMITOS, CA 90720
Internal Medicine (Cardiovascular Disease)
5300 KATELLA AVE
LOS ALAMITOS, CA 90720
Internal Medicine (Cardiovascular Disease)
5300 KATELLA AVE
LOS ALAMITOS, CA 90720
Internal Medicine (Cardiovascular Disease)
5300 KATELLA AVE
LOS ALAMITOS, CA 90720
Internal Medicine (Interventional Cardiology)
5300 KATELLA AVE
LOS ALAMITOS, CA 90720

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 Bret Witter's NPI number?

The NPI number for Bret Witter is 1396783387. It was assigned to this individual provider in the NPPES registry on June 3, 2006.

Where is Bret Witter located?

Bret Witter practices at 5300 Katella Ave, Los Alamitos, CA 90720. The listed phone number is (562) 430-7533.

What is Bret Witter's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Bret Witter enrolled in Medicare?

Yes. Bret Witter 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 Bret Witter was last updated on October 11, 2018. NPI Profile syncs with the weekly NPPES data releases published by CMS.