Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARY TWAROG
NPI 1699425207
Anesthesiology in Newton, MA

Active since March 25, 2022PECOS Enrolled
2014 WASHINGTON ST, NEWTON, MA 02462(617) 243-6000 Get Directions Write a Review

NPPES record last updated: July 31, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mary Twarog NPPES

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

MARY TWAROG (NPI 1699425207) is an individual anesthesiology provider in Newton, Massachusetts, licensed in Massachusetts (1027399) and active in the NPI registry since March 2022. She is enrolled in Medicare PECOS and is a graduate of State University Of New York At Buffalo School Of Medicine (2022).

NPPES Registry Identity

NPI1699425207
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameMARY TWAROG
Location Address2014 WASHINGTON STNewton, MA 02462-1607
Mailing Address3800 Reservoir Rd Nw Dept OfWashington, DC 20007-2113 · (202) 444-8556 · Fax (202) 444-8854
Sole ProprietorNo
Medical School CMSState University Of New York At Buffalo School Of MedicineGraduated 2022
Enumeration DateMarch 25, 2022
Last NPPES UpdateJuly 31, 2026
NPPES CertifiedJuly 31, 2026
NPI 1699425207 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License Licensed in MA · 1027399
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
2014 WASHINGTON ST, Newton, MA 02462

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Mary Twarog is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5698244135
PECOS Enrollment IDI20260514001341
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.

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.

Radiology (Radiation Oncology)
2014 WASHINGTON ST
NEWTON, MA 02462
Social Worker (Clinical)
2014 WASHINGTON ST
NEWTON, MA 02462
Physician Assistant
2014 WASHINGTON ST
NEWTON, MA 02462
Physician Assistant (Surgical)
2014 WASHINGTON ST, DEPARTMENT OF ORTHOPEDICS
NEWTON, MA 02462
Physician Assistant (Surgical)
2014 WASHINGTON ST
NEWTON, MA 02462
Pediatrics (Neonatal-Perinatal Medicine)
2014 WASHINGTON ST, SCN 6 NORTH
NEWTON, MA 02462
Pathology (Anatomic Pathology & Clinical Pathology)
2014 WASHINGTON ST, NEWTON-WELLESLEY HOSPITAL
NEWTON, MA 02462
Nurse Practitioner (Adult Health)
2014 WASHINGTON ST, NEWTON WELLESLEY HOSPITAL DEPT. OF ANESTHESIA
NEWTON, MA 02462

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 Mary Twarog's NPI number?

The NPI number for Mary Twarog is 1699425207. It was assigned to this individual provider in the NPPES registry on March 25, 2022.

Where is Mary Twarog located?

Mary Twarog practices at 2014 Washington St, Newton, MA 02462. The listed phone number is (617) 243-6000.

What is Mary Twarog's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Mary Twarog enrolled in Medicare?

Yes. Mary Twarog is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Mary Twarog was last updated on July 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.