DR. JOHN E MAYER JR. MD
NPI 1992815708
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Boston, MA

Active since August 30, 2006PECOS Enrolled
300 LONGWOOD AVE, FA-144, BOSTON, MA 02115(617) 355-8258(617) 730-0214 Get Directions Write a Review

NPPES record last updated: June 18, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. John E Mayer Jr. Md NPPES

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

DR. JOHN E MAYER JR. MD (NPI 1992815708) is an individual thoracic surgery (cardiothoracic vascular surgery) provider in Boston, Massachusetts, licensed in Massachusetts (52467) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1992815708
Entity TypeIndividualMale
Primary Taxonomy208G00000X
Provider Legal NameDR. JOHN E MAYER JR.Credential: MD
Location Address300 LONGWOOD AVE, FA-144Boston, MA 02115-5724
Mailing Address300 Longwood Ave, Fa-144Boston, MA 02115-5724 · (617) 355-4104 · Fax (617) 730-0214
Fax(617) 730-0214
Sole ProprietorNo
Enumeration DateAugust 30, 2006
Last NPPES UpdateJune 18, 2008
NPI 1992815708 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyThoracic Surgery (Cardiothoracic Vascular Surgery)Allopathic & Osteopathic Physicians
Taxonomy Code208G00000X
License Licensed in MA · 52467
Definition
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.
300 LONGWOOD AVE, Boston, MA 02115

Other Identifiers 4

Medicaid6176763MA
Medicare PINJ03349
Medicare UPINB97726MA
Medicare PINJ0334901

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. John E Mayer Jr. Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02115 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
$189.86 typical visit price
range $63.72 – $189.86
Typical copayment $47.46 (range $15.93 – $47.46)
Most-billed visit code 99205
Established Patient
$78.84 typical visit price
range $21.07 – $155.29
Typical copayment $19.71 (range $5.26 – $38.82)
Most-billed visit code 99213
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 20

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

Social Worker (Clinical)
300 LONGWOOD AVE
BOSTON, MA 02115
Nurse Practitioner (Psychiatric/Mental Health)
300 LONGWOOD AVE
BOSTON, MA 02115
Anesthesiology (Pediatric Anesthesiology)
300 LONGWOOD AVE
BOSTON, MA 02115
Physical Therapist
300 LONGWOOD AVE
BOSTON, MA 02115
Social Worker (Clinical)
300 LONGWOOD AVE, CHILDREN'S HOSPITAL BOSTON
BOSTON, MA 02115
Pediatrics
300 LONGWOOD AVE, BADER 203
BOSTON, MA 02115
Nurse Practitioner (Pediatrics)
300 LONGWOOD AVE, HUNNEWELL BUILDING 322
BOSTON, MA 02115
Pediatrics (Neonatal-Perinatal Medicine)
300 LONGWOOD AVE
BOSTON, MA 02115

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 John Mayer's NPI number?

The NPI number for John Mayer is 1992815708. It was assigned to this individual provider in the NPPES registry on August 30, 2006.

Where is John Mayer located?

John Mayer practices at 300 Longwood Ave Fa-144, Boston, MA 02115. The listed phone number is (617) 355-8258.

What is John Mayer's specialty?

The primary specialty registered for this NPI is Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.

Is John Mayer enrolled in Medicare?

Yes. John Mayer is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for John Mayer was last updated on June 18, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.