Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Certified Registered Nurse Anesthetist (CRNA)

Inessa Oks, CNA

Sees patients in Danvers, MA · Boston, MA · Massachusetts

Summary

Inessa Oks, CNA (Certified Registered Nurse Anesthetist (CRNA)) is enrolled with Medicare at 2 practice locations in Danvers, MA and Boston, MA. NPI 1386726719. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Inessa Oks, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Certified Registered Nurse Anesthetist (CRNA)Primary specialty
YesAccepts Medicare assignment
24Years since medical school (graduated 2002)
FemaleGender (as listed)
Massachusetts General Physicians Organization IncGroup practice

Quick answers

Where does Inessa Oks see patients?
Medicare's clinician data lists 2 practice locations, including Danvers, MA and Boston, MA. Call before your visit to confirm the address.
What is Inessa Oks's specialty?
Medicare lists Certified Registered Nurse Anesthetist (CRNA) as the primary specialty.
Does Inessa Oks accept Medicare assignment?
Yes. Medicare's clinician data says Inessa Oks accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Inessa Oks?
(978) 882-6100, as listed in official Medicare / NPI Registry data.
What is Inessa Oks's NPI number?
1386726719. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Inessa Oks is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Inessa Oks as a member of this group (CMS data updated 2026-10-02).

  • Massachusetts General Physicians Organization Inc3,558 clinicians in the group

Specialties

Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Massachusetts →

Other nurse anesthetists in Danvers

Clinicians with the same Medicare primary specialty in Danvers, MA — not a recommendation.

All nurse anesthetists in Danvers →

Clinician information

CredentialCNA
Graduation year2002
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1386726719
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians