DR. ALEXANDER NAGREBETSKY M.D. M.SC.
NPI 1942642012
Student in an Organized Health Care Education/Training Program in Chicago, IL
About Dr. Alexander Nagrebetsky M.d. M.sc. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALEXANDER NAGREBETSKY M.D. M.SC. (NPI 1942642012) is an individual student in an organized health care education/training program in Chicago, Illinois and active in the NPI registry since July 2013. He is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Other (2008).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
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
Dr. Alexander Nagrebetsky M.d. M.sc. 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.
Medicare Billing Reassignments
2Medicare enrollment records show Alexander Nagrebetsky reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,360 clinicians in this Medicare group
Boston, MA 02114
- Reassigned Medicare billing, Massachusetts enrollment
- 6,234 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.
Areas of Expertise CMS Part B claims 2
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.
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, MANewton-Wellesley Hospital
Acute Care Hospitals · Newton, MAFrequently 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 Alexander Nagrebetsky's NPI number?
The NPI number for Alexander Nagrebetsky is 1942642012. It was assigned to this individual provider in the NPPES registry on July 18, 2013.
Where is Alexander Nagrebetsky located?
Alexander Nagrebetsky practices at 1933 W Polk St Room Ssr 1311B, Chicago, IL 60612. The listed phone number is (312) 662-2708.
What is Alexander Nagrebetsky's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Alexander Nagrebetsky enrolled in Medicare?
Yes. Alexander Nagrebetsky 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 Alexander Nagrebetsky's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Nagrebetsky reassigns Medicare benefits to 2 organizations: Massachusetts General Physicians Organization Inc (Boston, MA) and The General Hospital Corporation (Boston, MA). 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 Alexander Nagrebetsky's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alexander Nagrebetsky accept?
Health plans from Taro Health list Alexander Nagrebetsky 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 Alexander Nagrebetsky affiliated with any hospitals?
According to CMS data, Alexander Nagrebetsky is affiliated with Massachusetts General Hospital and Newton-Wellesley Hospital.
When was this NPI record last updated?
The NPPES record for Alexander Nagrebetsky was last updated on July 18, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Dr. Alexander Nagrebetsky, M.D. M.SC. · NPI 1942642012
Student in an Organized Health Care Education/Training Program provider in Chicago, Illinois. Individual provider, active in the CMS NPPES registry since July 18, 2013.
## Identity
- **NPI:** 1942642012 (Entity type: Individual)
- **Enumerated:** July 18, 2013
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** No
## Practice location
- **Address:** 1933 W POLK ST, ROOM SSR 1311B, Chicago, IL 60612-4891
- **Phone:** (312) 662-2708
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Massachusetts General Physicians Organization Inc (NPI 1801874573, Boston, MA); The General Hospital Corporation (NPI 1023049236, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2008
## Record status
- **NPPES last updated:** July 18, 2013
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Source: [NPI Profile](https://npiprofile.com/npi/1942642012) · Data from the CMS NPPES public registry.