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DR. ALEXANDER JOHN MAZZAFERRO M.D.
NPI 1982017786
Family Medicine in Saint Louis, MO

Active since June 09, 2014PECOS EnrolledAccepts Medicare Assignment
4280 MID AMERICA LN STE 30, SAINT LOUIS, MO 63129(314) 782-2620 Get Directions Write a Review

NPPES record last updated: March 17, 2018. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 17, 2018, Jun 30, 2017 (2 updates tracked since 2017).

About Dr. Alexander John Mazzaferro M.d. NPPES

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

DR. ALEXANDER JOHN MAZZAFERRO M.D. (NPI 1982017786) is an individual family medicine provider in Saint Louis, Missouri, licensed in Missouri (2017018127) and active in the NPI registry since June 2014. He is enrolled in Medicare PECOS, is affiliated with Mercy Hospital St Louis, and maintains a secondary practice location in Saint Louis.

NPPES Registry Identity

NPI1982017786
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. ALEXANDER JOHN MAZZAFERROCredential: M.D.
Location Address4280 MID AMERICA LN STE 30Saint Louis, MO 63129-1202
Mailing Address4280 Mid America Place, Suite 30Saint Louis, MO 63129 · (314) 475-2465 · Fax (314) 782-2620
Phone(314) 782-2620
Sole ProprietorYes
Medical School CMSSaint Louis University School Of MedicineGraduated 2014
Enumeration DateJune 9, 2014
Last NPPES UpdateMarch 17, 20182 updates tracked since enumeration
✔ NPI 1982017786 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
Licenses✔ Licensed in MO · 2017018127✔ Licensed in MO · 2014017191
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
4280 MID AMERICA LN STE 30, Saint Louis, MO 63129
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Secondary Practice Location 1

Location 1615 S New Ballas Rd, FAMILY MEDICINESaint Louis, MO 63141-8221 · Phone (314) 251-8888 · Fax (314) 251-8889

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health, Ambetter from Sunflower Health Plan and more.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. Alexander John Mazzaferro 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 ID7911124490
PECOS Enrollment IDI20170725002970
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 7

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.
290 services184 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
149 services149 patients
Advance care planning, first 30 minutes 99497
Advance care planning is a process where you discuss your healthcare preferences with your doctor. This conversation, lasting up to 30 minutes, helps ensure your wishes are respected if you're unable to communicate them in the future. It's about your care, your way.
79 services79 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
43 services37 patients
Administration of influenza virus vaccine G0008
The administration of the influenza virus vaccine, also known as the flu shot, is a simple procedure to protect against the flu. A healthcare provider injects a small dose of the vaccine into your arm. This stimulates your immune system to produce antibodies, which will help your body fight off the flu if exposed.
40 services40 patients
Influenza vaccine split virus, preservative free 90662
The Influenza Vaccine Split Virus, preservative-free, is a flu shot to protect against the influenza virus. It is made from parts of inactivated flu viruses and doesn't contain preservatives, reducing potential side effects. It helps your body develop immunity to the flu.
36 services36 patients

Hospital Affiliations CMS Care Compare 3

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

Mercy Hospital St Louis

Acute Care Hospitals · Saint Louis, MO
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260020
Location615 New Ballas RoadSaint Louis, MO 63141 · St. Louis County
Emergency services Birthing friendly

Mercy Hospital Jefferson

Acute Care Hospitals · Festus, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260023
Location1400 Us Highway 61Festus, MO 63028 · Jefferson County
Emergency services

Mercy Hospital South

Acute Care Hospitals · Saint Louis, MO
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number260077
Location10010 Kennerly RoadSaint Louis, MO 63128 · St. Louis County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 63129 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.

Other Providers at the Same Location NPPES 2

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

KIALY ANN MUDD FNP-C
Nurse Practitioner (Family)
4280 MID AMERICA LN STE 30
SAINT LOUIS, MO 63129
St. Louis County (314) 782-2600
EMILY CAROLYN KLOS FNP
Nurse Practitioner (Family)
4280 MID AMERICA LN STE 30
SAINT LOUIS, MO 63129
St. Louis County (314) 782-2600

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 Alexander Mazzaferro's NPI number?

The NPI number for Alexander Mazzaferro is 1982017786. It was assigned to this individual provider in the NPPES registry on June 9, 2014.

Where is Alexander Mazzaferro located?

Alexander Mazzaferro practices at 4280 Mid America Ln Ste 30, Saint Louis, MO 63129. The listed phone number is (314) 782-2620.

What is Alexander Mazzaferro's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Alexander Mazzaferro enrolled in Medicare?

Yes. Alexander Mazzaferro 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 Alexander Mazzaferro accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Home State Health and Ambetter from Sunflower Health Plan and 4 other insurers list Alexander Mazzaferro 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 Alexander Mazzaferro affiliated with any hospitals?

According to CMS data, Alexander Mazzaferro is affiliated with Mercy Hospital St Louis, Mercy Hospital Jefferson and Mercy Hospital South.

When was this NPI record last updated?

The NPPES record for Alexander Mazzaferro was last updated on March 17, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.