DR. PATRICK BRYAN MAZI MD
NPI 1063875995
Internal Medicine - Infectious Disease in Saint Louis, MO

Q: What is Patrick Mazi's NPI number?

The NPI number for Patrick Mazi is 1063875995. It was assigned to this individual provider in the NPPES registry on March 29, 2016.

Q: What is Patrick Mazi's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Q: When was this NPI record last updated?

The NPPES record for Patrick Mazi was last updated on April 17, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.

Active since March 29, 2016PECOS EnrolledAccepts Medicare Assignment

79.29/100

CMS Quality Rating

620 S TAYLOR AVE, DIV IM INFECTIOUS DISEASE, STE 100, SAINT LOUIS, MO 63110(314) 747-1206(314) 454-5392 Get Directions Write a Review

NPPES record last updated: April 17, 2025. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jun 21, 2024, Apr 25, 2024, Apr 10, 2024 and 4 more (7 updates tracked since 2016).

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About Dr. Patrick Bryan Mazi Md NPPES

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

DR. PATRICK BRYAN MAZI MD (NPI 1063875995) is an individual infectious disease provider in Saint Louis, Missouri, licensed in Missouri (2020027277) and active in the NPI registry since March 2016. He is enrolled in Medicare PECOS, is affiliated with Barnes Jewish Hospital, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1063875995

Entity TypeIndividualMale

Primary Taxonomy207RI0200X

Provider Legal NameDR. PATRICK BRYAN MAZICredential: MD

Location Address620 S TAYLOR AVE, DIV IM INFECTIOUS DISEASE, STE 100Saint Louis, MO 63110-1035

Mailing AddressPo Box 7412011Chicago, IL 60674-2011 · (314) 747-1206 · Fax (314) 454-5392

Phone(314) 747-1206

Fax(314) 454-5392

Sole ProprietorNo

Medical School CMSOtherGraduated 2016

Enumeration DateMarch 29, 2016

Last NPPES UpdateApril 17, 20257 updates tracked since enumeration

NPPES CertifiedJune 21, 2024

✔ NPI 1063875995 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RI0200X

License✔ Licensed in MO · 2020027277

Definition

An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

Also ListedAnesthesiology · Critical Care MedicineTaxonomy 207LC0200X · License 2020027277 (MO)

Also ListedInternal MedicineTaxonomy 207R00000X · License 2020027277 (MO)

Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License 2020027277 (MO)

Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License 2020027277 (MO)

620 S TAYLOR AVE, Saint Louis, MO 63110

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Other Identifiers 1

Medicaid200086316MO

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cox HealthPlans.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. Patrick Bryan Mazi 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 ID9638501505

PECOS Enrollment IDI20210802002423

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.

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.

85 services35 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.

42 services26 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

36 services34 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.

35 services30 patients

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.

26 services18 patients

Critical care, first 30-74 minutes 99291

18 services12 patients

Hospital Affiliations CMS Care Compare

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

Barnes Jewish Hospital

Acute Care Hospitals · Saint Louis, MO

4/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number260032

LocationOne Barnes-Jewish Hospital PlazaSaint Louis, MO 63110 · St. Louis City County

Emergency services Birthing friendly

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

$128.28 typical visit price

range $55.65 – $169.38

Typical copayment $32.07 (range $13.91 – $42.34)

Most-billed visit code 99204

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

Quality

71.46

Promoting Interoperability

100

Improvement Activities

Cost

59.51

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.

DR. MATIFADZA GAIL HLATSHWAYO MD

Internal Medicine (Infectious Disease)

620 S TAYLOR AVE, STE 100
SAINT LOUIS, MO 63110

St. Louis City (314) 362-9098

DR. CARLOS ROBERTO MEJIA CHEW MD

Internal Medicine (Infectious Disease)