DR. DAVID MARC WITZEL M.D., M.P.H.
NPI 1508837170
Ophthalmology in Poughkeepsie, NY
About Dr. David Marc Witzel M.d., M.p.h. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DAVID MARC WITZEL M.D., M.P.H. (NPI 1508837170) is an individual ophthalmology provider in Poughkeepsie, New York, licensed in New York (220786) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Ny Eye And Ear Infirmary Of Mount Sinai, and is a graduate of Albert Einstein College Of Medicine Of Yeshiva University (1997).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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. David Marc Witzel M.d., M.p.h. 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
2Medicare enrollment records show David Witzel reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mount Kisco, NY 10549
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Optum Medical Care PC
- 1,601 clinicians in this Medicare group
New York, NY 10029
- Reassigned Medicare billing, New York enrollment
- 155 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 11
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.
Ny Eye And Ear Infirmary Of Mount Sinai
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 12601 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
POUGHKEEPSIE, NY 12601
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 David Witzel's NPI number?
The NPI number for David Witzel is 1508837170. It was assigned to this individual provider in the NPPES registry on January 31, 2006.
Where is David Witzel located?
David Witzel practices at 22 Green St, Poughkeepsie, NY 12601. The listed phone number is (845) 231-5600.
What is David Witzel's specialty?
The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.
Is David Witzel enrolled in Medicare?
Yes. David Witzel 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 David Witzel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), David Witzel reassigns Medicare benefits to 2 organizations: Optum Medical Care, P.C. (Mount Kisco, NY) and Icahn School Of Medicine At Mount Sinai (New York, 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 David Witzel's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is David Witzel affiliated with any hospitals?
According to CMS data, David Witzel is affiliated with Ny Eye And Ear Infirmary Of Mount Sinai.
When was this NPI record last updated?
The NPPES record for David Witzel was last updated on November 23, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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. David Marc Witzel, M.D., M.P.H. · NPI 1508837170
Ophthalmology physician in Poughkeepsie, New York. Individual provider, active in the CMS NPPES registry since January 31, 2006.
## Identity
- **NPI:** 1508837170 (Entity type: Individual)
- **Enumerated:** January 31, 2006
- **Primary specialty:** Ophthalmology · taxonomy 207W00000X
- **State license:** 220786 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 GREEN ST, Poughkeepsie, NY 12601-1306
- **Phone:** (845) 231-5600 · **Fax:** (845) 471-9516
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Optum Medical Care, P.C. (NPI 1982643003, Mount Kisco, NY); Icahn School Of Medicine At Mount Sinai (NPI 1437421252, New York, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albert Einstein College Of Medicine Of Yeshiva University, class of 1997
## Record status
- **NPPES last updated:** November 23, 2016
- **Other identifiers:** Medicare UPIN H72315 (NY); Medicare PIN A400116351 (NY); Medicaid 02312150 (NY); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1508837170) · Data from the CMS NPPES public registry.