DR. ZACHARY T HAFEZ MD
NPI 1851706709
Emergency Medicine in Saint Louis, MO

Active since June 29, 2014PECOS EnrolledAccepts Medicare Assignment
79.29/100
CMS Quality Rating
400 S KINGSHIGHWAY BLVD, DEPT EMERGENCY MED, SAINT LOUIS, MO 63110(314) 362-9123(314) 747-3338 Get Directions Write a Review

NPPES record last updated: May 4, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 4, 2026, Apr 25, 2024, Apr 10, 2024 and 4 more (7 updates tracked since 2020).

About Dr. Zachary T Hafez Md NPPES

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

DR. ZACHARY T HAFEZ MD (NPI 1851706709) is an individual emergency medicine provider in Saint Louis, Missouri, licensed in Missouri (2016030823) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, is affiliated with Ssm St Joseph Health Center, and maintains a secondary practice location in Saint Louis.

NPPES Registry Identity

NPI1851706709
Entity TypeIndividualMale
Primary Taxonomy207P00000X
Provider Legal NameDR. ZACHARY T HAFEZCredential: MD
Location Address400 S KINGSHIGHWAY BLVD, DEPT EMERGENCY MEDSaint Louis, MO 63110-1014
Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 362-9123 · Fax (314) 747-3338
Fax(314) 747-3338
Sole ProprietorNo
Medical School CMSUniversity Of Missouri, Columbia School Of MedicineGraduated 2014
Enumeration DateJune 29, 2014
Last NPPES UpdateMay 4, 20267 updates tracked since enumeration
NPPES CertifiedMay 4, 2026
NPI 1851706709 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License Licensed in MO · 2016030823
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
Also ListedGeneral PracticeTaxonomy 208D00000X · License 2016030823 (MO)
400 S KINGSHIGHWAY BLVD, Saint Louis, MO 63110

Secondary Practice Location 1

Location 11201 S Grand BlvdSaint Louis, MO 63104-1016 · Phone (314) 617-2000

Other Identifiers 1

Medicaid200042457MO

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. Zachary T Hafez 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 ID5294012530
PECOS Enrollment IDI20170515001498
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 3

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.
39 services39 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.
19 services19 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.
14 services14 patients

Hospital Affiliations CMS Care Compare

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

Ssm St Joseph Health Center

Acute Care Hospitals · Saint Charles, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260005
Location300 1st Capitol DrSaint Charles, MO 63301 · St. Charles County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63110 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
$86.32 typical visit price
range $55.65 – $169.38
Typical copayment $21.58 (range $13.91 – $42.34)
Most-billed visit code 99203
Established Patient
$98.37 typical visit price
range $17.76 – $137.92
Typical copayment $24.59 (range $4.44 – $34.48)
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.

79.29/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality71.46
Promoting Interoperability100
Improvement Activities40
Cost59.51

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.

Emergency Medicine
400 S KINGSHIGHWAY BLVD, DEPT EMERGENCY MED
SAINT LOUIS, MO 63110
Nurse Practitioner
400 S KINGSHIGHWAY BLVD, DEPT EMERGENCY MEDICINE
SAINT LOUIS, MO 63110
Emergency Medicine
400 S KINGSHIGHWAY BLVD, DEPT EMERGENCY MED
SAINT LOUIS, MO 63110
Emergency Medicine
400 S KINGSHIGHWAY BLVD, DEPT EMERGENCY MED
SAINT LOUIS, MO 63110
Emergency Medicine
400 S KINGSHIGHWAY BLVD, DEPT EMERGENCY MED
SAINT LOUIS, MO 63110
Emergency Medicine
400 S KINGSHIGHWAY BLVD
SAINT LOUIS, MO 63110
Physician Assistant
400 S KINGSHIGHWAY BLVD, DEPT EMERGENCY MED
SAINT LOUIS, MO 63110
Emergency Medicine
400 S KINGSHIGHWAY BLVD, DEPT EMERGENCY MED
SAINT LOUIS, MO 63110

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 Zachary Hafez's NPI number?

The NPI number for Zachary Hafez is 1851706709. It was assigned to this individual provider in the NPPES registry on June 29, 2014.

Where is Zachary Hafez located?

Zachary Hafez practices at 400 S Kingshighway Blvd Dept Emergency Med, Saint Louis, MO 63110. The listed phone number is (314) 362-9123.

What is Zachary Hafez's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Zachary Hafez enrolled in Medicare?

Yes. Zachary Hafez 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.

Is Zachary Hafez affiliated with any hospitals?

According to CMS data, Zachary Hafez is affiliated with Ssm St Joseph Health Center.

When was this NPI record last updated?

The NPPES record for Zachary Hafez was last updated on May 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.