SYDNEY CAROLINE KARNOVSKY
NPI 1962083675
Family Medicine in Boston, MA

Active since April 15, 2021PECOS EnrolledAccepts Medicare Assignment

NPPES record last updated: June 19, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Jun 19, 2025, Apr 15, 2021 (2 updates tracked since 2021).

About Sydney Caroline Karnovsky NPPES

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

SYDNEY CAROLINE KARNOVSKY (NPI 1962083675) is an individual family medicine provider in Boston, Massachusetts, licensed in Massachusetts (1020002) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Georgetown University School Of Medicine (2021).

NPPES Registry Identity

NPI1962083675
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameSYDNEY CAROLINE KARNOVSKY
Location Address55 FRUIT STBoston, MA 02114-2621
Mailing Address55 Fruit StBoston, MA 02114-2621 · (617) 726-2000
Sole ProprietorYes
Medical School CMSGeorgetown University School Of MedicineGraduated 2021
Enumeration DateApril 15, 2021
Last NPPES UpdateJune 19, 20252 updates tracked since enumeration
NPPES CertifiedJune 19, 2025
NPI 1962083675 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in MA · 1020002
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.
55 FRUIT ST, Boston, MA 02114

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

Sydney Caroline Karnovsky 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 ID5193122844
PECOS Enrollment IDI20250925001120
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.

Hospital Affiliations CMS Care Compare 3

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

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
$111.18 typical visit price
range $21.07 – $155.29
Typical copayment $27.79 (range $5.26 – $38.82)
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 20

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

Pathology (Anatomic Pathology)
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Hematology & Oncology)
55 FRUIT ST
BOSTON, MA 02114
Anesthesiology
55 FRUIT ST, GRAY-BIGELOW 444
BOSTON, MA 02114
Physical Medicine & Rehabilitation
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Infectious Disease)
55 FRUIT ST, DIVISION OF INFECTIOUS DISEASE, GRJ-504
BOSTON, MA 02114
Nurse Practitioner (Acute Care)
55 FRUIT ST, BIGALOW 852 F
BOSTON, MA 02114
Nurse Practitioner
55 FRUIT ST
BOSTON, MA 02114
Internal Medicine (Cardiovascular Disease)
55 FRUIT ST
BOSTON, MA 02114

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 Sydney Karnovsky's NPI number?

The NPI number for Sydney Karnovsky is 1962083675. It was assigned to this individual provider in the NPPES registry on April 15, 2021.

Where is Sydney Karnovsky located?

Sydney Karnovsky practices at 55 Fruit St, Boston, MA 02114. The listed phone number is (617) 726-2000.

What is Sydney Karnovsky's specialty?

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

Is Sydney Karnovsky enrolled in Medicare?

Yes. Sydney Karnovsky 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 Sydney Karnovsky affiliated with any hospitals?

According to CMS data, Sydney Karnovsky is affiliated with Massachusetts General Hospital, Newton-Wellesley Hospital and Brigham And Women's Hospital.

When was this NPI record last updated?

The NPPES record for Sydney Karnovsky was last updated on June 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.