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DR. ANTONIA ELIZABETH STEPHEN MD
NPI 1386626679
Surgery in Boston, MA

Active since November 14, 2005PECOS EnrolledAccepts Medicare Assignment
55 FRUIT ST, SURGICAL ONCOLOGY ASSOCIATES YAW 7B, BOSTON, MA 02114(617) 726-0531(617) 724-3895 Get Directions Write a Review

NPPES record last updated: July 30, 2012. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Dr. Antonia Elizabeth Stephen Md NPPES

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

DR. ANTONIA ELIZABETH STEPHEN MD (NPI 1386626679) is an individual surgery provider in Boston, Massachusetts, licensed in Massachusetts (160829) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Harvard Medical School (1996).

NPPES Registry Identity

NPI1386626679
Entity TypeIndividualFemale
Primary Taxonomy208600000X
Provider Legal NameDR. ANTONIA ELIZABETH STEPHENCredential: MD
Location Address55 FRUIT ST, SURGICAL ONCOLOGY ASSOCIATES YAW 7BBoston, MA 02114-2621
Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 726-0531 · Fax (617) 724-3895
Phone(617) 726-0531
Fax(617) 724-3895
Sole ProprietorNo
Medical School CMSHarvard Medical SchoolGraduated 1996
Enumeration DateNovember 14, 2005
Last NPPES UpdateJuly 30, 2012
✔ NPI 1386626679 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in MA · 160829
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
55 FRUIT ST, Boston, MA 02114
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Other Identifiers 5

OtherJ27326MA · Bcbs Ma
Medicare UPINH90807
Medicare ID-Type UnspecifiedA37115MA
Other760800MA · Tufts Health Plan
Medicaid2041031MA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield.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. Antonia Elizabeth Stephen 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 ID5294629358
PECOS Enrollment IDI20040802000157
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.

Ultrasonic guidance during surgery 76998
Ultrasonic guidance during surgery is a technique that uses sound waves to create real-time images of the inside of your body. This helps the surgeon navigate and perform procedures more accurately, reducing the risk of complications. It's like a GPS for your body's internal structures.
118 services116 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.
89 services79 patients
Removal or exploration of parathyroid glands 60500
The procedure for removal or exploration of parathyroid glands involves a surgeon making a small incision in the neck to locate and remove one or more of the tiny parathyroid glands. These glands control calcium levels in the body. This procedure helps treat conditions like hyperparathyroidism.
67 services67 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.
56 services54 patients
Telephone medical discussion with physician, 21-30 minutes 99443
This service involves a 21-30 minute phone conversation with a physician. It's a chance for you to discuss your health concerns, symptoms or treatment plans. It's similar to an in-person consultation, but conducted over the phone for your convenience and safety.
25 services21 patients
Removal of thyroid lobe on side of neck 60220
This procedure involves the removal of one side of your thyroid gland, located in your neck. It's done to treat conditions like nodules or tumors. You'll be under anesthesia, and the surgeon will make a small incision in your neck to remove the lobe. Recovery typically takes a few weeks.
20 services20 patients

Hospital Affiliations CMS Care Compare 4

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

Massachusetts General Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220071
Location55 Fruit StreetBoston, MA 02114 · Suffolk County
Emergency services Birthing friendly

Massachusetts Eye And Ear Infirmary -

Acute Care Hospitals · Boston, MA
OwnershipVoluntary non-profit - Private
CMS Certification Number220075
Location243 Charles StreetBoston, MA 02114 · Suffolk County
Emergency services

Newton-Wellesley Hospital

Acute Care Hospitals · Newton, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220101
Location2014 Washington StreetNewton, MA 02462 · Middlesex County
Emergency services Birthing friendly

Brigham And Women's Hospital

Acute Care Hospitals · Boston, MA
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number220110
Location75 Francis StreetBoston, MA 02115 · Suffolk County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 02114 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
$97.64 typical visit price
range $63.72 – $189.86
Typical copayment $24.41 (range $15.93 – $47.46)
Most-billed visit code 99203
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.

STUTI GIRISH SHROFF MD, MBBS
Pathology (Anatomic Pathology)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 726-2971
NANCY WANG M.D.
Internal Medicine (Hematology & Oncology)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (017) 724-4000
DR. DUSAN HANIDZIAR M.D., PH.D.
Anesthesiology
55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114
Suffolk County (617) 726-3030
JOHN JOSEPH DANKO DO
Physical Medicine & Rehabilitation
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 726-2000
DR. MICHAEL ANDREW LOBRITZ M.D, PH.D.
Internal Medicine (Infectious Disease)
55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114
Suffolk County (617) 724-9248
MS. KELLY ELISHA TRECARTIN NP
Nurse Practitioner (Acute Care)
55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114
Suffolk County (617) 726-7400
JAMIE MARIE ALLEN NP
Nurse Practitioner
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 724-4410
DR. DHAVAL SANJEEV KOLTE M.B.B.S., PH.D.
Internal Medicine (Cardiovascular Disease)
55 FRUIT ST
BOSTON, MA 02114
Suffolk County (617) 643-3238

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 Antonia Stephen's NPI number?

The NPI number for Antonia Stephen is 1386626679. It was assigned to this individual provider in the NPPES registry on November 14, 2005.

Where is Antonia Stephen located?

Antonia Stephen practices at 55 Fruit St Surgical Oncology Associates Yaw 7B, Boston, MA 02114. The listed phone number is (617) 726-0531.

What is Antonia Stephen's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Antonia Stephen enrolled in Medicare?

Yes. Antonia Stephen 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 Antonia Stephen accept?

Health plans from Anthem Blue Cross and Blue Shield list Antonia Stephen 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 Antonia Stephen affiliated with any hospitals?

According to CMS data, Antonia Stephen is affiliated with Massachusetts General Hospital, Massachusetts Eye And Ear Infirmary -, Newton-Wellesley Hospital and Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Antonia Stephen was last updated on July 30, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.