SARAH MARKUS MD
NPI 1093247066
Emergency Medicine in Keene, NH
About Sarah Markus Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SARAH MARKUS MD (NPI 1093247066) is an individual emergency medicine provider in Keene, New Hampshire, licensed in New Hampshire (21461) and active in the NPI registry since March 2017. She is enrolled in Medicare PECOS, is affiliated with Mary Hitchcock Memorial Hospital, and maintains a secondary practice location in Brattleboro.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Sarah Markus Md 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 Reassignment
Medicare enrollment records show Sarah Markus reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 2,999 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 4
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mary Hitchcock Memorial Hospital
Acute Care Hospitals · Lebanon, NHCheshire Medical Center
Acute Care Hospitals · Keene, NHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03431 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Sarah Markus's NPI number?
The NPI number for Sarah Markus is 1093247066. It was assigned to this individual provider in the NPPES registry on March 29, 2017.
Where is Sarah Markus located?
Sarah Markus practices at 580 Court St Emergency Medicine, Keene, NH 03431. The listed phone number is (603) 354-5400.
What is Sarah Markus's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Sarah Markus enrolled in Medicare?
Yes. Sarah Markus 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 organization bills Medicare for Sarah Markus's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sarah Markus reassigns Medicare benefits to Dartmouth-Hitchcock Clinic (Keene, NH). The 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 Sarah Markus's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Sarah Markus accept?
Health plans from Ambetter from NH Healthy Families and Anthem Blue Cross and Blue Shield list Sarah Markus 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.
Is Sarah Markus affiliated with any hospitals?
According to CMS data, Sarah Markus is affiliated with Mary Hitchcock Memorial Hospital and Cheshire Medical Center.
When was this NPI record last updated?
The NPPES record for Sarah Markus was last updated on August 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.
# Sarah Markus, MD · NPI 1093247066
Emergency Medicine physician in Keene, New Hampshire. Individual provider, active in the CMS NPPES registry since March 29, 2017.
## Identity
- **NPI:** 1093247066 (Entity type: Individual)
- **Enumerated:** March 29, 2017
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 21461 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 580 COURT ST, EMERGENCY MEDICINE, Keene, NH 03431-1729
- **Phone:** (603) 354-5400
## 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:** Dartmouth-Hitchcock Clinic (NPI 1174176861, Keene, NH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Colorado School Of Medicine, Aurora, class of 2017
## Record status
- **NPPES last updated:** August 10, 2021
---
Source: [NPI Profile](https://npiprofile.com/npi/1093247066) · Data from the CMS NPPES public registry.