DR. DANIEL JOEL KORETZ M.D.
NPI 1962451344
Internal Medicine in Ontario, NY
About Dr. Daniel Joel Koretz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. DANIEL JOEL KORETZ M.D. (NPI 1962451344) is an individual internal medicine provider in Ontario, New York, licensed in New York (106228) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Rochester General Hospital, and is a graduate of Albany Medical College Of Union University (1969).
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. Daniel Joel Koretz 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
2Medicare enrollment records show Daniel Koretz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Sodus, NY 14551
- Reassigned Medicare billing, New York enrollment
- 2,285 clinicians in this Medicare group
Pittsford, NY 14534
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Western New York Medical Practice PC
- 1,030 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 2
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.
Rochester General Hospital
Acute Care Hospitals · Rochester, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14519 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 3
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 Daniel Koretz's NPI number?
The NPI number for Daniel Koretz is 1962451344. It was assigned to this individual provider in the NPPES registry on May 10, 2006.
Where is Daniel Koretz located?
Daniel Koretz practices at 6200 Slocum Rd, Ontario, NY 14519. The listed phone number is (315) 524-2060.
What is Daniel Koretz's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Daniel Koretz enrolled in Medicare?
Yes. Daniel Koretz 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 Daniel Koretz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Daniel Koretz reassigns Medicare benefits to 2 organizations: Rochester General Hospital (Sodus, NY) and Western New York Medical Practice P.C (Pittsford, 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 Daniel Koretz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Daniel Koretz affiliated with any hospitals?
According to CMS data, Daniel Koretz is affiliated with Rochester General Hospital.
When was this NPI record last updated?
The NPPES record for Daniel Koretz was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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. Daniel Joel Koretz, M.D. · NPI 1962451344
Internal Medicine physician in Ontario, New York. Individual provider, active in the CMS NPPES registry since May 10, 2006.
## Identity
- **NPI:** 1962451344 (Entity type: Individual)
- **Enumerated:** May 10, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 106228 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 6200 SLOCUM RD, Ontario, NY 14519-9102
- **Phone:** (315) 524-2060 · **Fax:** (315) 524-3814
## 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): Rochester General Hospital (NPI 1821163718, Sodus, NY); Western New York Medical Practice P.C (NPI 1871157503, Pittsford, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Albany Medical College Of Union University, class of 1969
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1962451344) · Data from the CMS NPPES public registry.