DR. MARK PAPISH M.D.
NPI 1922018019
Emergency Medicine in Valhalla, NY
About Dr. Mark Papish M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK PAPISH M.D. (NPI 1922018019) is an individual emergency medicine provider in Valhalla, New York, licensed in New York (242690-1) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Westchester Medical Center, and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Mark Papish 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
3Medicare enrollment records show Mark Papish reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Valhalla, NY 10595
- Reassigned Medicare billing, New York enrollment
- 33 clinicians in this Medicare group
Nyack, NY 10960
- Reassigned Medicare billing, New York enrollment
- 119 clinicians in this Medicare group
Poughkeepsie, NY 12601
- Reassigned Medicare billing, New York enrollment
- 235 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Westchester Medical Center
Acute Care Hospitals · Valhalla, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10595 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.
VALHALLA, NY 10595
VALHALLA, NY 10595
VALHALLA, NY 10595
VALHALLA, NY 10595
VALHALLA, NY 10595
VALHALLA, NY 10595
VALHALLA, NY 10595
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 Mark Papish's NPI number?
The NPI number for Mark Papish is 1922018019. It was assigned to this individual provider in the NPPES registry on August 9, 2006.
Where is Mark Papish located?
Mark Papish practices at 100 Woods Road Westchester Med Ctr Dept Of Emergency Medicine, Valhalla, NY 10595. The listed phone number is (914) 493-7656.
What is Mark Papish's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mark Papish enrolled in Medicare?
Yes. Mark Papish 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 Mark Papish's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Papish reassigns Medicare benefits to 3 organizations: New York Physician Associates Of Medicine PC (Valhalla, NY), Montefiore Nyack Hospital (Nyack, NY) and Physicians Medical Associates New York PC (Poughkeepsie, NY). 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 Mark Papish's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mark Papish affiliated with any hospitals?
According to CMS data, Mark Papish is affiliated with Westchester Medical Center.
When was this NPI record last updated?
The NPPES record for Mark Papish was last updated on August 4, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Dr. Mark Papish, M.D. · NPI 1922018019
Emergency Medicine physician in Valhalla, New York. Individual provider, active in the CMS NPPES registry since August 9, 2006.
## Identity
- **NPI:** 1922018019 (Entity type: Individual)
- **Enumerated:** August 9, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 242690-1 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 WOODS ROAD, WESTCHESTER MED CTR DEPT OF EMERGENCY MEDICINE, Valhalla, NY 10595
- **Phone:** (914) 493-7656
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): New York Physician Associates Of Medicine PC (NPI 1669329082, Valhalla, NY); Montefiore Nyack Hospital (NPI 1073881835, Nyack, NY); Physicians Medical Associates New York PC (NPI 1487409702, Poughkeepsie, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** August 4, 2011
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Source: [NPI Profile](https://npiprofile.com/npi/1922018019) · Data from the CMS NPPES public registry.