George Karl Koch, D.M.D.
Endodontics · Brookline, MA
George Karl Koch, D.M.D. is an endodontics with a practice address in Brookline, Massachusetts, and NPI 1528410321, issued on Jul 6, 2016. Check the license (Massachusetts DN1857265, as entered in NPPES) with the Massachusetts board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- George Karl Koch
- Credential
- D.M.D.
- Primary taxonomy
- Endodontics 1223E0200X
- License number
- DN1857265 MA
Self-reported in NPPES; status is on the state search - Practice location
- 21 Longwood Ave, Brookline, MA 02446
- Phone
- (617) 738-0806
- Enumerated
- Jul 6, 2016
- Record last updated
- Aug 15, 2025
- Entity
- Type 1 · individual
Also registered at 21 Longwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charles Blatt, MDCardiovascular Disease Physician1043277619
- Sima Kasraie, DMDGeneral Practice Dentistry1831959345
- Stephanie LeeDentist1215637525
- Dara Lee Lewis, MDCardiovascular Disease Physician1578692018
- Wilfred Mamuya, MD PHDCardiovascular Disease Physician1215999255
- Shmuel Ravid, MD MPHCardiovascular Disease Physician1699731885
Verify George Karl Koch in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Massachusetts board licenses this profession
Search for license DN1857265Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average endodontics in 2024
17 Medicare Part D claims for 17 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin14 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: $21.00
1 payment: food and beverage; the largest payer was Sonendo Inc. The 2,057 providers of this specialty with any payment received $49,739.86 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.
Endodontics providers in Massachusetts
There are 276 endodontics records in Massachusetts.
Other endodontics records in Massachusetts
- Ashraf Abd-Elmeguid, BDS., PHDBoston, MA1992055776
- David Abdelmalak, D.D.S.Boston, MA1497156889
- Mario Abdennour, DMD MMSCBoston, MA1689749574
- Ayman Aboushala, D.M.D.Boston, MA1730244401
- Louay Abrass, DMDBoston, MA1427119403
- Mashael Al-Qallaf, BDSQuincy, MA1154654796
- Heba Al-Qatami, DMDBoston, MA1508199134
- April Alford, DDSStoughton, MA1871785485
- Mey Alhabib, BDSBoston, MA1225387632
- Kathy Alikhani, DMDNorwell, MA1972514230
Common questions
What is George Karl Koch, D.M.D.'s NPI number?
George Karl Koch, D.M.D.'s National Provider Identifier (NPI) is 1528410321, issued on Jul 6, 2016. An NPI identifies a provider in billing; it is not a license.
Where is George Karl Koch, D.M.D. located?
The NPPES record lists a practice address at 21 Longwood Ave, Brookline, MA, 02446. Phone: (617) 738-0806. Providers update this record themselves, so call before visiting.
How can I verify George Karl Koch, D.M.D.'s license?
NPPES lists Massachusetts license number DN1857265, as entered by the provider. Search the Massachusetts board that licenses this profession; the NPPES record confirms identity only.
How much does George Karl Koch, D.M.D. prescribe under Medicare Part D?
In 2024, George Karl Koch, D.M.D. had 17 Medicare Part D claims for 17 beneficiaries; the average among endodontics prescribers was 121. 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.