DR. YI-LO YU M.D.
NPI 1194952838
Obstetrics & Gynecology in Great Barrington, MA
About Dr. Yi-lo Yu M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. YI-LO YU M.D. (NPI 1194952838) is an individual obstetrics & gynecology provider in Great Barrington, Massachusetts, licensed in Massachusetts (256888) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, is affiliated with Berkshire Medical Center, and is a graduate of University Of Minnesota Medical School (2009).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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. Yi-lo Yu M.d. 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
6Medicare enrollment records show Yi-lo Yu reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Great Barrington, MA 01230
- Reassigned Medicare billing, Massachusetts enrollment
- 102 clinicians in this Medicare group
Pittsfield, MA 01201
- Reassigned Medicare billing, Massachusetts enrollment
- 405 clinicians in this Medicare group
Springfield, MA 01104
- Reassigned Medicare billing, Massachusetts enrollment
- 298 clinicians in this Medicare group
Athol, MA 01331
- Reassigned Medicare billing, Massachusetts enrollment
- 324 clinicians in this Medicare group
Athol, MA 01331
- Reassigned Medicare billing, Massachusetts enrollment
- 218 clinicians in this Medicare group
Gardner, MA 01440
- Reassigned Medicare billing, Massachusetts enrollment
- 344 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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Berkshire Medical Center
Acute Care Hospitals · Pittsfield, MAFairview Hospital
Critical Access Hospitals · Great Barrington, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01230 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 5
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREAT BARRINGTON, MA 01230
GREAT BARRINGTON, MA 01230
GT BARRINGTON, MA 01230
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 Yi-lo Yu's NPI number?
The NPI number for Yi-lo Yu is 1194952838. It was assigned to this individual provider in the NPPES registry on June 21, 2009.
Where is Yi-lo Yu located?
Yi-lo Yu practices at 27 Lewis Ave, Great Barrington, MA 01230. The listed phone number is (413) 528-1470.
What is Yi-lo Yu's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Yi-lo Yu enrolled in Medicare?
Yes. Yi-lo Yu 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 Yi-lo Yu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yi-lo Yu reassigns Medicare benefits to 6 organizations: Community Health Programs, Inc. (Great Barrington, MA), Berkshire Faculty Services Inc (Pittsfield, MA), Riverbend Medical Group, Inc. (Springfield, MA), Athol Memorial Hospital Incorporated (Athol, MA), Heywood Medical Group Inc (Athol, MA) and 1 more organization, listed in the Medicare section above. 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 Yi-lo Yu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Yi-lo Yu accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Yi-lo Yu 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 Yi-lo Yu affiliated with any hospitals?
According to CMS data, Yi-lo Yu is affiliated with Berkshire Medical Center and Fairview Hospital.
When was this NPI record last updated?
The NPPES record for Yi-lo Yu was last updated on December 1, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Dr. Yi-Lo Yu, M.D. · NPI 1194952838
Obstetrics & Gynecology physician in Great Barrington, Massachusetts. Individual provider, active in the CMS NPPES registry since June 21, 2009.
## Identity
- **NPI:** 1194952838 (Entity type: Individual)
- **Enumerated:** June 21, 2009
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 256888 (Massachusetts)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 27 LEWIS AVE, Great Barrington, MA 01230-1886
- **Phone:** (413) 528-1470
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Community Health Programs, Inc. (NPI 1013953009, Great Barrington, MA); Berkshire Faculty Services Inc (NPI 1548212939, Pittsfield, MA); Riverbend Medical Group, Inc. (NPI 1841651197, Springfield, MA); Athol Memorial Hospital Incorporated (NPI 1336120047, Athol, MA); Heywood Medical Group Inc (NPI 1881123552, Athol, MA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Minnesota Medical School, class of 2009
## Record status
- **NPPES last updated:** December 1, 2025
- **Other identifiers:** Medicaid 110097222/A (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1194952838) · Data from the CMS NPPES public registry.