Yoon K. Cho, MD
Obstetrics & Gynecology Physician · Medford, MA
Yoon K. Cho, MD is an obstetrics & gynecology physician with a practice address in Medford, Massachusetts, and NPI 1861880395, issued on Jan 6, 2015. Check the license (Massachusetts 277522, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Yoon K. Cho
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 277522 MA
Self-reported in NPPES; status is on the state search - Practice location
- 26 City Hall Mall, Medford, MA 02155
- Phone
- (617) 657-6444
- Enumerated
- Jan 6, 2015
- Record last updated
- Jan 10, 2024
- Fax
- (781) 306-5227
- Medicare enrollment
- Enrolled (PECOS I20190403000451); accepts Medicare assignment
- Medical or professional school
- Cincinnati College Of Medicine And Surgery, 2012
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,127 in Massachusetts → Look up another NPI →
Also registered at 26 City Hall Mall
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alicia Azpiri Magallanes, M.D.Psychiatry Physician1326217985
- Margaret Balya, M.D.Psychiatry Physician1427107242
- Veronica Baptista, M.D.Gastroenterology Physician1407827538
Verify Yoon K. Cho in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 277522Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
68% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
52 Medicare Part D claims for 35 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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
- Atrius Health IncMedford, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yoon K. Cho among 1,127 obstetrics & gynecology physician records in Massachusetts
Yoon K. Cho, MD 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 2015, is newer than 79% of them.
- NPI issued2015 · 79% of these records are older, 17% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2012 · median 2004 among the 715 with a school on file
- Record last updated2024 · 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).
Obstetrics & Gynecology Physician providers in Massachusetts
There are 1,127 obstetrics & gynecology physician records in Massachusetts.
All 1,127 in Massachusetts → Every provider in Medford → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Stephanie Bjork, M.D.Medford, MA 021551093949778
- Elizabeth BuechlerMedford, MA 021551164488516
- Ellen Guthrie, MDMedford, MA 021551538133343
- Beverly Loudin, MD, MPHMedford, MA 021551083699268
- Eliza Meade, MDMedford, MA 021551609032382
- Doreen Neptune-Hammond, MDMedford, MA 021551194811315
- Neelam Thacker, M.D.Medford, MA 021551790832822
- Vasant Thacker, MDMedford, MA 021551679611461
Common questions
What is Yoon K. Cho, MD's NPI number?
Yoon K. Cho, MD's National Provider Identifier (NPI) is 1861880395, issued on Jan 6, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Yoon K. Cho, MD located?
The NPPES record lists a practice address at 26 City Hall Mall, Medford, MA, 02155. Phone: (617) 657-6444. Providers update this record themselves, so call before visiting.
How can I verify Yoon K. Cho, MD's license?
NPPES lists Massachusetts license number 277522, 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 Yoon K. Cho, MD prescribe under Medicare Part D?
In 2024, Yoon K. Cho, MD had 52 Medicare Part D claims for 35 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.