Yi-Lo Yu, M.D.
Obstetrics & Gynecology Physician · Great Barrington, MA
Yi-Lo Yu, M.D. is an obstetrics & gynecology physician with a practice address in Great Barrington, Massachusetts, and NPI 1194952838, issued on Jun 21, 2009. Check the license (Massachusetts 256888, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Yi-Lo Yu
- Credential
- M.D.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 256888 MA
81364 CT
320720-01 NY
Self-reported in NPPES; status is on the state search - Practice location
- 27 Lewis Ave, Great Barrington, MA 01230
- Phone
- (413) 528-1470
- Enumerated
- Jun 21, 2009
- Record last updated
- Dec 1, 2025
- Medicaid ID
- 110097222/A MA
- Medicare enrollment
- Enrolled (PECOS I20131209001701); accepts Medicare assignment
- Medical or professional school
- University Of Minnesota Medical School, 2009
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,127 in Massachusetts → Look up another NPI →
Also registered at 27 Lewis Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Rubino, DNP, FNP-BCCommunity Health Registered Nurse1134853526
- Keegan Strzempko, WHNPGynecology Physician1386229185
Verify Yi-Lo Yu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 256888Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
45 Medicare Part D claims for 26 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Estradiol20 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Community Health Programs IncPittsfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yi-Lo Yu among 1,127 obstetrics & gynecology physician records in Massachusetts
Yi-Lo Yu, M.D. is one of 1,127 obstetrics & gynecology physician records with a practice address in Massachusetts. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 64% of them.
- NPI issued2009 · 64% of these records are older, 32% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2009 · median 2004 among the 715 with a school on file
- Record last updated2025 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
4 obstetrics & gynecology physician records list a practice address in Great Barrington
They are 4 of the 278 NPPES records with a practice address in Great Barrington, and 1,127 obstetrics & gynecology physician records in Massachusetts.
All 1,127 in Massachusetts → Every provider in Great Barrington → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Andrew Beckwith, M.DGreat Barrington, MA 012301366423907
- Antoine El Khoury, M.D.Great Barrington, MA 012301225292485
- Luzvimin Garzon, M.D.Great Barrington, MA 012301265571756
- Bonnie Herr, MDAdams, MA 012201942267927
- Joan Lister, MDAdams, MA 012201821042821
- Daniel Barraez-Masroua, MDPittsfield, MA 012011528222304
- Robert Benner, MDPittsfield, MA 012011346231529
- Lindsay Cobden, MDPittsfield, MA 012011316236532
Common questions
What is Yi-Lo Yu, M.D.'s NPI number?
Yi-Lo Yu, M.D.'s National Provider Identifier (NPI) is 1194952838, issued on Jun 21, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Yi-Lo Yu, M.D. located?
The NPPES record lists a practice address at 27 Lewis Ave, Great Barrington, MA, 01230. Phone: (413) 528-1470. Providers update this record themselves, so call before visiting.
How can I verify Yi-Lo Yu, M.D.'s license?
NPPES lists Massachusetts license number 256888, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Yi-Lo Yu, M.D. prescribe under Medicare Part D?
In 2024, Yi-Lo Yu, M.D. had 45 Medicare Part D claims for 26 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.