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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. PETER STEFANOVICH MD
NPI 1508857251
Anesthesiology in Boston, MA

Active since November 02, 2005PECOS Enrolled
55 FRUIT STREET CLN 309, ANESTHESIA ASSOCIATES, BOSTON, MA 02114(617) 726-3030 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Peter Stefanovich Md NPPES

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

DR. PETER STEFANOVICH MD (NPI 1508857251) is an individual anesthesiology provider in Boston, Massachusetts, licensed in Massachusetts (206540) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Other (1988).

NPPES Registry Identity

NPI1508857251
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. PETER STEFANOVICHCredential: MD
Location Address55 FRUIT STREET CLN 309, ANESTHESIA ASSOCIATESBoston, MA 02114-2696
Mailing AddressPo Box 9142, Mass General Physician OrganizationCharlestown, MA 02129-9142 · (617) 724-0287 · Fax (617) 726-2894
Phone(617) 726-3030
Sole ProprietorNo
Medical School CMSOtherGraduated 1988
Enumeration DateNovember 2, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1508857251 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in MA · 206540
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.
55 FRUIT STREET CLN 309, Boston, MA 02114
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Other Identifiers 3

OtherJ25208MA · Bcbs Ma
Medicaid0199061MA
Other206540MA · Tufts Health Plan

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. Peter Stefanovich 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 ID9830383660
PECOS Enrollment IDI20101104001575
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 6

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.

Daily hospital management of continuous spinal drug administration 01996
Continuous spinal drug administration is a hospital procedure where medication is delivered directly into the spinal fluid through a small tube. It helps manage pain or other conditions. Daily hospital management involves monitoring for effectiveness and any potential side effects.
90 services34 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.
73 services39 patients
Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 64447
This procedure involves injecting a numbing agent and/or steroid into a nerve in your thigh. It's done to alleviate pain or inflammation. A needle will be carefully positioned near the nerve, and the medicine will be administered.
34 services34 patients
Anesthesia for procedure for total knee joint replacement 01402
Anesthesia for a total knee joint replacement numbs your body to eliminate pain during surgery. This could be general anesthesia where you're unconscious, or regional anesthesia where only the leg is numb. It's administered by a specialist, ensuring safety and comfort.
16 services16 patients
Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 64415
This procedure involves injecting a numbing agent or steroid into your arm's nerve bundle. It's done to manage pain or inflammation. The injection helps block nerve signals that cause discomfort, providing relief. It's a safe, common procedure.
16 services16 patients
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 99221
Initial hospital inpatient care refers to the first day of your stay in the hospital. This service typically includes a 30-minute check-up with a healthcare professional. They'll assess your health, discuss your condition, and plan your treatment. It's part of ensuring you receive the best possible care.
16 services16 patients

Hospital Affiliations CMS Care Compare 2

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

Other Providers at the Same Location NPPES 5

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

DR. JILL ALISON MORGANSTERN MD
Anesthesiology (Critical Care Medicine)
55 FRUIT STREET CLN 309, ANESTHESIA ASSOCIATES
BOSTON, MA 02114
Suffolk County (617) 726-3030
CELESTE JEANNINE MARIA DAY CRNA
Nurse Anesthetist, Certified Registered
55 FRUIT STREET CLN 309, MGH ANESTHESIA ASSOCIATES
BOSTON, MA 02114
Suffolk County (617) 726-3030
DR. RODGER MUSSER WHITE MD
Anesthesiology
55 FRUIT STREET CLN 309, ANESTHESIA ASSOCIATES
BOSTON, MA 02114
Suffolk County (617) 726-3030
DR. GIORA LANDESBERG MD
Anesthesiology (Critical Care Medicine)
55 FRUIT STREET CLN 309, ANESTHESIA ASSOCIATES
BOSTON, MA 02114
Suffolk County (617) 726-3030
DR. HEIDI PETRA BAS MD
Anesthesiology
55 FRUIT STREET CLN 309, ANESTHESIA ASSOCIATES
BOSTON, MA 02114
Suffolk County (617) 726-3030

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 Peter Stefanovich's NPI number?

The NPI number for Peter Stefanovich is 1508857251. It was assigned to this individual provider in the NPPES registry on November 2, 2005.

Where is Peter Stefanovich located?

Peter Stefanovich practices at 55 Fruit Street Cln 309 Anesthesia Associates, Boston, MA 02114. The listed phone number is (617) 726-3030.

What is Peter Stefanovich's specialty?

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

Is Peter Stefanovich enrolled in Medicare?

Yes. Peter Stefanovich 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.

Is Peter Stefanovich affiliated with any hospitals?

According to CMS data, Peter Stefanovich is affiliated with Massachusetts General Hospital and Massachusetts Eye And Ear Infirmary -.

When was this NPI record last updated?

The NPPES record for Peter Stefanovich was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.