Eun Kyung Koh
Endocrinology, Diabetes & Metabolism Physician · Boston, MA
Eun Kyung Koh is an endocrinology, diabetes & metabolism physician with a practice address in Boston, Massachusetts, and NPI 1306074968, issued on Jun 22, 2009. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Eun Kyung Koh
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- ME170392 FL
224368 AK
75162 AZ
C1-0027516 DE
MD-24439-0 HI
and 10 more
Self-reported in NPPES; status is on the state search - Practice location
- 56 Broad St Ste 14281, Boston, MA 02109
- Phone
- (888) 404-4813
- Enumerated
- Jun 22, 2009
- Record last updated
- Oct 31, 2025
- Fax
- (888) 675-4061
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 522 in Massachusetts → Look up another NPI →
Also registered at 56 Broad St Ste 14281
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Monica Gomberg, MDEndocrinology, Diabetes & Metabolism Physician1780983148
- Caroline Matuzsan, MSW, LSW, CDESocial Worker1861964769
- Sherry Roberts, RD, CDERegistered Dietitian1669998456
- Rita Rubin, MS, RD, CDERegistered Dietitian1285705426
- Eleni Sheehan, ARNPFamily Nurse Practitioner1851774814
- Kathryn Ward, LCSWClinical Social Worker1538854484
Verify Eun Kyung Koh in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
2,236 Medicare Part D claims for 349 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of claims.
Most prescribed
- Levothyroxine Sodium282 claims
- Ozempic194 claims
- Jardiance114 claims
- Metformin Hcl90 claims
- Methimazole66 claims
- Metformin Hcl Er65 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.
Industry payments in 2024: $108.71
5 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Eun Kyung Koh among 522 endocrinology, diabetes & metabolism physician records in Massachusetts
Eun Kyung Koh is one of 522 endocrinology, diabetes & metabolism physician records with a practice address in Massachusetts. 82% 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 66% of them.
- NPI issued2009 · 66% of these records are older, 31% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 72% of these records are
- Record last updated2025 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Massachusetts
There are 522 endocrinology, diabetes & metabolism physician records in Massachusetts.
All 522 in Massachusetts → Every provider in Boston → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Monica Gomberg, MDBoston, MA 021091780983148
- Florencia Halperin, M.D.Boston, MA 021091083804926
- Lisa Ceglia, M.D.Boston, MA 021111558417055
- Bess Dawson-Hughes, M.D.Boston, MA 021111528083714
- Andrew Greenberg, M.D.Boston, MA 021111720046956
- Jacqueline Kung, MDBoston, MA 021111518120872
- Ronald Lechan, M.D.Boston, MA 021111700824018
- Anastassios Pittas, MDBoston, MA 021111508976036
Common questions
What is Eun Kyung Koh's NPI number?
Eun Kyung Koh's National Provider Identifier (NPI) is 1306074968, issued on Jun 22, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Eun Kyung Koh located?
The NPPES record lists a practice address at 56 Broad St Ste 14281, Boston, MA, 02109. Phone: (888) 404-4813. Providers update this record themselves, so call before visiting.
How can I verify Eun Kyung Koh's license?
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 Eun Kyung Koh prescribe under Medicare Part D?
In 2024, Eun Kyung Koh had 2,236 Medicare Part D claims for 349 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.