NICHOLAS SADOVNIKOFF MD
NPI 1669400628
Anesthesiology in Brighton, MA

Active since June 29, 2006PECOS EnrolledAccepts Medicare Assignment
736 CAMBRIDGE ST, BRIGHTON, MA 02135(617) 789-3000 Get Directions Write a Review

NPPES record last updated: January 14, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jan 14, 2026, Mar 17, 2025 (2 updates tracked since 2025).

About Nicholas Sadovnikoff Md NPPES

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

NICHOLAS SADOVNIKOFF MD (NPI 1669400628) is an individual anesthesiology provider in Brighton, Massachusetts, licensed in Massachusetts (156344) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Maine Medical Center, and maintains a secondary practice location in Boston.

NPPES Registry Identity

NPI1669400628
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameNICHOLAS SADOVNIKOFFCredential: MD
Location Address736 CAMBRIDGE STBrighton, MA 02135-2907
Mailing Address960 Massachusetts AveBoston, MA 02118-2620 · (617) 414-4505
Sole ProprietorNo
Medical School CMSWarren Alpert Medical School Of Brown UniversityGraduated 1984
Enumeration DateJune 29, 2006
Last NPPES UpdateJanuary 14, 20262 updates tracked since enumeration
NPPES CertifiedJanuary 14, 2026
✔ NPI 1669400628 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in MA · 156344✔ Licensed in ME · MD27576
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.
736 CAMBRIDGE ST, Brighton, MA 02135

Secondary Practice Location 1

Location 175 Francis St, Brigham and Womens Hosp Dept of Anesthesiology PerioperBoston, MA 02115 · Phone (617) 732-5500

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Nicholas Sadovnikoff 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 ID2365463791
PECOS Enrollment IDI20260213000033
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.

Medicare Billing Reassignments

3

Medicare enrollment records show Nicholas Sadovnikoff reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Internal Medicine
75 FRANCIS ST
Boston, MA 02115
  • Reassigned Medicare billing, Massachusetts enrollment
  • 4,574 clinicians in this Medicare group
Anesthesiology
795 MIDDLE ST
Fall River, MA 02721
  • Reassigned Medicare billing, Massachusetts enrollment
  • 347 clinicians in this Medicare group
Anesthesiology
22 BRAMHALL ST
Portland, ME 04102
  • Reassigned Medicare billing, Maine enrollment
  • Medicare enrollment name: Spectrum Healthcare Partners PA
  • 148 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

Maine Medical Center

Acute Care Hospitals · Portland, ME
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number200009
Location22 Bramhall StPortland, ME 04102 · Cumberland County
Emergency services Birthing friendly

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.

Internal Medicine
736 CAMBRIDGE ST, INTERNAL MEDICINE RESIDENCY PROGRAM - MAILBOX #13
BOSTON, MA 02135
Internal Medicine (Cardiovascular Disease)
736 CAMBRIDGE ST, DEPT. OF CARDIOLOGY
BRIGHTON, MA 02135
Psychiatry & Neurology (Psychiatry)
736 CAMBRIDGE ST
BRIGHTON, MA 02135
Student in an Organized Health Care Education/Training Program
736 CAMBRIDGE ST
BOSTON, MA 02135
Student in an Organized Health Care Education/Training Program
736 CAMBRIDGE ST
BRIGHTON, MA 02135
Student in an Organized Health Care Education/Training Program
736 CAMBRIDGE ST
BRIGHTON, MA 02135
Internal Medicine (Nephrology)
736 CAMBRIDGE ST, ST ELIZABETHS MED CTR
BOSTON, MA 02135
Pathology (Anatomic Pathology & Clinical Pathology)
736 CAMBRIDGE ST
BRIGHTON, MA 02135

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 Nicholas Sadovnikoff's NPI number?

The NPI number for Nicholas Sadovnikoff is 1669400628. It was assigned to this individual provider in the NPPES registry on June 29, 2006.

Where is Nicholas Sadovnikoff located?

Nicholas Sadovnikoff practices at 736 Cambridge St, Brighton, MA 02135. The listed phone number is (617) 789-3000.

What is Nicholas Sadovnikoff's specialty?

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

Is Nicholas Sadovnikoff enrolled in Medicare?

Yes. Nicholas Sadovnikoff 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.

Which organizations bill Medicare for Nicholas Sadovnikoff's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Sadovnikoff reassigns Medicare benefits to 3 organizations: Brigham & Womens Physicians Organization Inc (Boston, MA), Steward Medical Group, Inc (Fall River, MA) and Spectrum Healthcare Partners, P.A. (Portland, ME). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nicholas Sadovnikoff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Nicholas Sadovnikoff affiliated with any hospitals?

According to CMS data, Nicholas Sadovnikoff is affiliated with Maine Medical Center.

When was this NPI record last updated?

The NPPES record for Nicholas Sadovnikoff was last updated on January 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.