Andrew H. Koslow, M.D.
Emergency Medicine Physician · Dedham, MA
Andrew H. Koslow, M.D. is an emergency medicine physician with a practice address in Dedham, Massachusetts, and NPI 1083651723, issued on Jun 1, 2006. Check the license (Massachusetts 205180, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Andrew H. Koslow
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- 205180 MA
Self-reported in NPPES; status is on the state search - Practice location
- 370 Providence Hwy, Dedham, MA 02026
- Phone
- (781) 461-0200
- Enumerated
- Jun 1, 2006
- Record last updated
- Feb 24, 2026
- Medicare enrollment
- Enrolled (PECOS I20040614000042); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,829 in Massachusetts → Look up another NPI →
Also registered at 370 Providence Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kimberly Schoen, MDEmergency Medical Services (Emergency Medicine) Physician1750334371
Verify Andrew H. Koslow in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 205180Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
46% fewer Medicare Part D claims than the average emergency medicine physician in 2024
123 Medicare Part D claims for 98 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Amoxicillin18 claims
- Nitrofurantoin Mono-Macro13 claims
- Azithromycin12 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
- Afc Physicians OF Massachusetts, PCSpringfield, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew H. Koslow among 1,829 emergency medicine physician records in Massachusetts
Andrew H. Koslow, M.D. is one of 1,829 emergency medicine 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1997 · median 2011 among the 1,200 with a school on file
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Massachusetts
There are 1,829 emergency medicine physician records in Massachusetts.
All 1,829 in Massachusetts → Every provider in Dedham → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Dustin Cotliar, MDDedham, MA 020261649665233
- Dimitrios Dimitropoulos, M.D.Dedham, MA 020261568578490
- Daniel Muse, M.D.Canton, MA 020211396729786
- Yusef Haj-Darwish, MDEast Walpole, MA 020321376597427
- Lori Vazzana, M.D.Foxboro, MA 020351003850306
- Francis Duggan, MDHingham, MA 020431417915919
- Thomas Lincoln, M.D.Hingham, MA 020431013957554
- Jon Buras, M.D. PH.D.Marshfield, MA 020501699723957
Common questions
What is Andrew H. Koslow, M.D.'s NPI number?
Andrew H. Koslow, M.D.'s National Provider Identifier (NPI) is 1083651723, issued on Jun 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Andrew H. Koslow, M.D. located?
The NPPES record lists a practice address at 370 Providence Hwy, Dedham, MA, 02026. Phone: (781) 461-0200. Providers update this record themselves, so call before visiting.
How can I verify Andrew H. Koslow, M.D.'s license?
NPPES lists Massachusetts license number 205180, 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 Andrew H. Koslow, M.D. prescribe under Medicare Part D?
In 2024, Andrew H. Koslow, M.D. had 123 Medicare Part D claims for 98 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.