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DR. WALTER MICHAEL BORTZ M.D.
NPI 1225012016
Internal Medicine in Marrero, LA

Active since December 05, 2005PECOS EnrolledAccepts Medicare Assignment
96.9/100
CMS Quality Rating
1101 MEDICAL CENTER BLVD, MARRERO, LA 70072(504) 349-1656(504) 349-1933 Get Directions Write a Review

NPPES record last updated: January 2, 2019. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Walter Michael Bortz M.d. NPPES

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

DR. WALTER MICHAEL BORTZ M.D. (NPI 1225012016) is an individual internal medicine provider in Marrero, Louisiana, licensed in Louisiana (307621) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with West Jefferson Medical Center, and is a graduate of Boston University School Of Medicine (1993).

NPPES Registry Identity

NPI1225012016
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. WALTER MICHAEL BORTZCredential: M.D.
Location Address1101 MEDICAL CENTER BLVDMarrero, LA 70072-3147
Mailing Address1101 Medical Center BlvdMarrero, LA 70072-3147 · (504) 349-1656 · Fax (504) 349-1933
Phone(504) 349-1656
Fax(504) 349-1933
Sole ProprietorNo
Medical School CMSBoston University School Of MedicineGraduated 1993
Enumeration DateDecember 5, 2005
Last NPPES UpdateJanuary 2, 2019
✔ NPI 1225012016 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in LA · 307621✔ Licensed in CA · G83310
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.
1101 MEDICAL CENTER BLVD, Marrero, LA 70072
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include HMO Louisiana.Insurance ›

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. Walter Michael Bortz 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 ID8729976519
PECOS Enrollment IDI20180611001016
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 6

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.

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.
94 services55 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
45 services31 patients
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231
Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.
43 services24 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.
40 services23 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
39 services39 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
20 services20 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

West Jefferson Medical Center

Acute Care Hospitals · Marrero, LA
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number190039
Location1101 Medical Center BlvdMarrero, LA 70072 · Jefferson County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70072 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
$128.88 typical visit price
range $55.50 – $170.30
Typical copayment $32.22 (range $13.87 – $42.57)
Most-billed visit code 99204
Established Patient
$98.35 typical visit price
range $17.42 – $138.03
Typical copayment $24.58 (range $4.35 – $34.50)
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.

96.9/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality77.77
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
2 suppliers15 claims15 services$61.72 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.

LAURA KATHLEEN BROWN MSN-APRN
Nurse Practitioner (Acute Care)
1101 MEDICAL CENTER BLVD
MARRERO, LA 70072
Jefferson Parish (504) 349-2351
MS. ROSALIE MARIE LARSON MSN, RN
Registered Nurse (Critical Care Medicine)
1101 MEDICAL CENTER BLVD
MARRERO, LA 70072
Jefferson Parish (504) 349-2400
DR. KENNETH C. MALMSTROM MD
Hospitalist
1101 MEDICAL CENTER BLVD
MARRERO, LA 70072
Jefferson Parish (504) 349-1656
DR. JAMES W CALLAGHAN MD
Emergency Medicine
1101 MEDICAL CENTER BLVD, EMERGENCY DEPARTMENT
MARRERO, LA 70072
Jefferson Parish (504) 349-1533
HERNAN ADAMES MD
Internal Medicine
1101 MEDICAL CENTER BLVD
MARRERO, LA 70072
Jefferson Parish (504) 349-1656
JAHNAVI RUDRAKSHALA MD
Internal Medicine
1101 MEDICAL CENTER BLVD
MARRERO, LA 70072
Jefferson Parish (504) 349-1656
DR. JAMIESON GLASSER M.D.
Student in an Organized Health Care Education/Training Program
1101 MEDICAL CENTER BLVD
MARRERO, LA 70072
Jefferson Parish (504) 347-5511
ELIZABETH COCHRANE RITZ M.D.
Emergency Medicine
1101 MEDICAL CENTER BLVD
MARRERO, LA 70072
Jefferson Parish (504) 349-1533

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 Walter Bortz's NPI number?

The NPI number for Walter Bortz is 1225012016. It was assigned to this individual provider in the NPPES registry on December 5, 2005.

Where is Walter Bortz located?

Walter Bortz practices at 1101 Medical Center Blvd, Marrero, LA 70072. The listed phone number is (504) 349-1656.

What is Walter Bortz's specialty?

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

Is Walter Bortz enrolled in Medicare?

Yes. Walter Bortz 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.

What insurance does Walter Bortz accept?

Health plans from HMO Louisiana list Walter Bortz as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Walter Bortz affiliated with any hospitals?

According to CMS data, Walter Bortz is affiliated with West Jefferson Medical Center.

When was this NPI record last updated?

The NPPES record for Walter Bortz was last updated on January 2, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.