ANDREW H KOSLOW M.D.
NPI 1083651723
Emergency Medicine in Dedham, MA
About Andrew H Koslow M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANDREW H KOSLOW M.D. (NPI 1083651723) is an individual emergency medicine provider in Dedham, Massachusetts, licensed in Massachusetts (205180) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Andrew H Koslow M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Andrew Koslow reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02116
- Reassigned Medicare billing, Massachusetts enrollment
- 138 clinicians in this Medicare group
Quincy, MA 02169
- Reassigned Medicare billing, Massachusetts enrollment
- 62 clinicians in this Medicare group
Brockton, MA 02302
- Reassigned Medicare billing, Massachusetts enrollment
- 81 clinicians in this Medicare group
East Bridgewater, MA 02333
- Reassigned Medicare billing, Massachusetts enrollment
- 111 clinicians in this Medicare group
Ayer, MA 01432
- Reassigned Medicare billing, Massachusetts enrollment
- 290 clinicians in this Medicare group
Vernon, CT 06066
- Reassigned Medicare billing, Connecticut enrollment
- Medicare enrollment name: Afc Physicians Of Connecticut PC
- 62 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 8
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02026 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DEDHAM, MA 02026
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Andrew Koslow's NPI number?
The NPI number for Andrew Koslow is 1083651723. It was assigned to this individual provider in the NPPES registry on June 1, 2006.
Where is Andrew Koslow located?
Andrew Koslow practices at 370 Providence Hwy, Dedham, MA 02026. The listed phone number is (781) 461-0200.
What is Andrew Koslow's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Andrew Koslow enrolled in Medicare?
Yes. Andrew Koslow is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Andrew Koslow's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Koslow reassigns Medicare benefits to 6 organizations: Steward Medical Group, Inc (Boston, MA), South Shore Health Express, Inc (Quincy, MA), Brockton Hospital, Inc. (Brockton, MA), Compass Medical PC (East Bridgewater, MA), Steward Emergency Physicians, Inc (Ayer, MA) and 1 more organization, listed in the Medicare section above. Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Andrew Koslow's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Andrew Koslow accept?
Health plans from Taro Health list Andrew Koslow as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Andrew Koslow was last updated on February 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Andrew H Koslow, M.D. · NPI 1083651723
Emergency Medicine physician in Dedham, Massachusetts. Individual provider, active in the CMS NPPES registry since June 1, 2006.
## Identity
- **NPI:** 1083651723 (Entity type: Individual)
- **Enumerated:** June 1, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 205180 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 370 PROVIDENCE HWY, Dedham, MA 02026-1875
- **Phone:** (781) 461-0200
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Steward Medical Group, Inc (NPI 1255600300, Boston, MA); South Shore Health Express, Inc (NPI 1144713199, Quincy, MA); Brockton Hospital, Inc. (NPI 1063431286, Brockton, MA); Compass Medical PC (NPI 1962437962, East Bridgewater, MA); Steward Emergency Physicians, Inc (NPI 1780971275, Ayer, MA); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** February 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1083651723) · Data from the CMS NPPES public registry.