WALT MARQUARDT MD
NPI 1881766962
Internal Medicine - Interventional Cardiology in Sacramento, CA

Active since November 14, 2006PECOS EnrolledAccepts Medicare Assignment
96.5/100
CMS Quality Rating
3941 J STREET, SUITE 260, SACRAMENTO, CA 95819(916) 736-2323(916) 736-0620 Get Directions Write a Review

NPPES record last updated: January 30, 2015. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Walt Marquardt Md NPPES

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

WALT MARQUARDT MD (NPI 1881766962) is an individual interventional cardiology provider in Sacramento, California, licensed in California (G59664) and active in the NPI registry since November 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Pittsburgh School Of Medicine (1981).

NPPES Registry Identity

NPI1881766962
Entity TypeIndividualMale
Primary Taxonomy207RI0011X
Provider Legal NameWALT MARQUARDTCredential: MD
Location Address3941 J STREET, SUITE 260Sacramento, CA 95819-3633
Mailing Address1010 Hurley Way, Suite 500Sacramento, CA 95825-3216 · (916) 564-3040 · Fax (916) 564-3065
Fax(916) 736-0620
Sole ProprietorNo
Medical School CMSUniversity Of Pittsburgh School Of MedicineGraduated 1981
Enumeration DateNovember 14, 2006
Last NPPES UpdateJanuary 30, 2015
NPI 1881766962 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

Primary SpecialtyInternal Medicine · Interventional CardiologyAllopathic & Osteopathic Physicians
Taxonomy Code207RI0011X
License Licensed in CA · G59664
Definition
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License G59664 (CA)
Also ListedNuclear Medicine · Nuclear CardiologyTaxonomy 207UN0901X · License G59664 (CA)
3941 J STREET, Sacramento, CA 95819

Other Identifiers 20

Medicare ID-Type Unspecified00G596640CA
MedicaidGR0068235CA
Medicare PINZZZ00966ZCA
OtherZZZ47673ZCA · Blue Shield
Medicare UPINA53515
MedicaidGR0068232CA
Medicare PINZZZ17828ZCA
Other060033947CA · Railroad Medicare
Medicaid00G596640CA
MedicaidGR0068233CA
Medicare PINZZZ28052ZCA
Medicare PINZZZ00965ZCA
OtherZZZ47675ZCA · Blue Shield
MedicaidGR0068230CA
MedicaidGR0068231CA
MedicaidGR006823BCA
Medicare PINZZZ00968ZCA
OtherZZZ47676ZCA · Blue Shield
OtherZZZ62306ZCA · Blue Shield
Medicare PINZZZ00967ZCA

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

Walt Marquardt 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 ID7618861139
PECOS Enrollment IDI20040330001049
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 32

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.
429 services391 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.
423 services397 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.
337 services325 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232
Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.
221 services84 patients
Insertion of stents with balloon dilation of coronary artery or branch, single artery or branch 92928
This procedure involves placing a small, mesh tube (stent) in your coronary artery to keep it open. A balloon is used to expand the stent and artery, improving blood flow to your heart. It's typically done for a single artery or branch.
159 services124 patients
Insertion of tube in left lower heart chamber and coronary artery for diagnosis with review by radiologist 93458
This procedure involves placing a tube into your left lower heart chamber and coronary artery. It helps doctors diagnose heart conditions by allowing them to view these areas in detail. A radiologist will review the images to ensure accurate diagnosis.
143 services143 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 95819 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
$137.20 typical visit price
range $60.44 – $180.85
Typical copayment $34.30 (range $15.11 – $45.21)
Most-billed visit code 99204
Established Patient
$105.95 typical visit price
range $19.88 – $148.15
Typical copayment $26.48 (range $4.97 – $37.03)
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.

96.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality80.34
Promoting Interoperability100
Improvement Activities40

Referred Medical Equipment & Supplies CMS DME claims

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

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
1 supplier12 claims12 services$57.53 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 13

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

Orthopaedic Surgery
3941 J STREET, SUITE 370
SACRAMENTO, CA 95819
Surgery (Vascular Surgery)
3941 J STREET, SUITE 370
SACRAMENTO, CA 95819
Internal Medicine (Cardiovascular Disease)
3941 J STREET, SUITE 260
SACRAMENTO, CA 95819
Physician Assistant
3941 J STREET, SUITE 270
SACRAMENTO, CA 95819
Nuclear Medicine (Nuclear Cardiology)
3941 J STREET, SUITE 260
SACRAMENTO, CA 95819
Internal Medicine (Cardiovascular Disease)
3941 J STREET, SUITE 260
SACRAMENTO, CA 95819
Internal Medicine (Clinical Cardiac Electrophysiology)
3941 J STREET, SUITE 260
SACRAMENTO, CA 95819
Internal Medicine (Gastroenterology)
3941 J STREET, SUITE #450
SACRAMENTO, CA 95819

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 Walt Marquardt's NPI number?

The NPI number for Walt Marquardt is 1881766962. It was assigned to this individual provider in the NPPES registry on November 14, 2006.

Where is Walt Marquardt located?

Walt Marquardt practices at 3941 J Street Suite 260, Sacramento, CA 95819. The listed phone number is (916) 736-2323.

What is Walt Marquardt's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Interventional Cardiology, with taxonomy code 207RI0011X.

Is Walt Marquardt enrolled in Medicare?

Yes. Walt Marquardt 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 Walt Marquardt was last updated on January 30, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.