DR. ALLA MIKHAYLOVNA GUENIN MD
NPI 1275802324
Internal Medicine in Salem, MA
About Dr. Alla Mikhaylovna Guenin Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALLA MIKHAYLOVNA GUENIN MD (NPI 1275802324) is an individual internal medicine provider in Salem, Massachusetts, licensed in Massachusetts (276753) and active in the NPI registry since December 2011. She is enrolled in Medicare PECOS, is affiliated with North Shore Medical Center -, and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
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. Alla Mikhaylovna Guenin 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.
Medicare Billing Reassignments
3Medicare enrollment records show Alla Guenin reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Salem, MA 01970
- Reassigned Medicare billing, Massachusetts enrollment
- 83 clinicians in this Medicare group
Salem, MA 01970
- Reassigned Medicare billing, Massachusetts enrollment
- 43 clinicians in this Medicare group
Melrose, MA 02176
- Reassigned Medicare billing, Massachusetts enrollment
- 176 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 13
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
North Shore Medical Center -
Acute Care Hospitals · Salem, MAMassachusetts General Hospital
Acute Care Hospitals · Boston, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01970 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SALEM, MA 01970
SALEM, MA 01970
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 Alla Guenin's NPI number?
The NPI number for Alla Guenin is 1275802324. It was assigned to this individual provider in the NPPES registry on December 19, 2011. The provider is also known as Alla Mikhaylovna Campbell M.D..
Where is Alla Guenin located?
Alla Guenin practices at 55 Highland Ave Ste 304, Salem, MA 01970. The listed phone number is (978) 354-4611.
What is Alla Guenin's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Alla Guenin enrolled in Medicare?
Yes. Alla Guenin 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 Alla Guenin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alla Guenin reassigns Medicare benefits to 3 organizations: Charter Health PC (Salem, MA), Charter Ltc LLC (Salem, MA) and Massachusetts Acute Care Specialists PC (Melrose, 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 Alla Guenin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Alla Guenin affiliated with any hospitals?
According to CMS data, Alla Guenin is affiliated with North Shore Medical Center -, Massachusetts General Hospital and Brigham And Women's Hospital.
When was this NPI record last updated?
The NPPES record for Alla Guenin was last updated on October 29, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.