DR. YI-LO YU M.D.
NPI 1194952838
Obstetrics & Gynecology in Great Barrington, MA

Active since June 21, 2009PECOS EnrolledAccepts Medicare Assignment
27 LEWIS AVE, GREAT BARRINGTON, MA 01230(413) 528-1470 Get Directions Write a Review

NPPES record last updated: December 1, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 1, 2025, Mar 17, 2018, Feb 19, 2018 (3 updates tracked since 2018).

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

NPI1194952838
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. YI-LO YUCredential: M.D.
Location Address27 LEWIS AVEGreat Barrington, MA 01230-1886
Mailing Address27 Lewis AveGreat Barrington, MA 01230-1886
Sole ProprietorYes
Medical School CMSUniversity Of Minnesota Medical SchoolGraduated 2009
Enumeration DateJune 21, 2009
Last NPPES UpdateDecember 1, 20253 updates tracked since enumeration
NPPES CertifiedDecember 1, 2025
NPI 1194952838 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses Licensed in MA · 256888 Licensed in CT · 81364 Licensed in NY · 320720-01
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
27 LEWIS AVE, Great Barrington, MA 01230

Other Identifiers 1

Medicaid110097222/AMA

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID8123255692
PECOS Enrollment IDI20131209001701
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.

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, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number220046
Location725 North StreetPittsfield, MA 01201 · Berkshire County
Emergency services Birthing friendly

Fairview Hospital

Critical Access Hospitals · Great Barrington, MA
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number221302
Location29 Lewis AvenueGreat Barrington, MA 01230 · Berkshire County
Emergency services Birthing friendly

Physician 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.

New Patient
$134.47 typical visit price
range $58.86 – $177.36
Typical copayment $33.61 (range $14.71 – $44.34)
Most-billed visit code 99204
Established Patient
$73.22 typical visit price
range $19.11 – $144.84
Typical copayment $18.30 (range $4.77 – $36.21)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Registered Nurse (Community Health)
27 LEWIS AVE
GREAT BARRINGTON, MA 01230
Durable Medical Equipment & Medical Supplies
27 LEWIS AVE
GREAT BARRINGTON, MA 01230
Obstetrics & Gynecology (Gynecology)
27 LEWIS AVE
GREAT BARRINGTON, MA 01230
Internal Medicine
27 LEWIS AVE
GT BARRINGTON, MA 01230
Orthopaedic Surgery
27 LEWIS AVE, ORTHOPEDICS AND SPORTS MEDICINE OF FAIRVIEW HOSPITAL
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.

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 8 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.