WILLIAM JAY APFELDORF MD
NPI 1144235698
Psychiatry & Neurology - Psychiatry in White Plains, NY
About William Jay Apfeldorf Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM JAY APFELDORF MD (NPI 1144235698) is an individual psychiatry provider in White Plains, New York, licensed in New York (174834) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with New York-presbyterian Hospital, and is a graduate of Other (1987).
NPPES Registry Identity
Specialties & Licenses 2
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
William Jay Apfeldorf 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 Reassignments
2Medicare enrollment records show William Apfeldorf reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
White Plains, NY 10605
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: The New York And Presbyterian Hospital
- 174 clinicians in this Medicare group
White Plains, NY 10605
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Weill Medical College Of Cornell
- Also billed through NPI 1871692210 (New York)
- 980 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 5
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.
New York-Presbyterian Hospital
Acute Care Hospitals · New York, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10605 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.
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 William Apfeldorf's NPI number?
The NPI number for William Apfeldorf is 1144235698. It was assigned to this individual provider in the NPPES registry on July 30, 2006.
Where is William Apfeldorf located?
William Apfeldorf practices at 21 Bloomingdale Rd # 58, White Plains, NY 10605. The listed phone number is (914) 997-5809.
What is William Apfeldorf's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is William Apfeldorf enrolled in Medicare?
Yes. William Apfeldorf 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 William Apfeldorf's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Apfeldorf reassigns Medicare benefits to 2 organizations: The New York And Presbyterian Hosp (White Plains, NY) and Weill Medical College Of Cornell Univ. (White Plains, 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 William Apfeldorf's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is William Apfeldorf affiliated with any hospitals?
According to CMS data, William Apfeldorf is affiliated with New York-Presbyterian Hospital.
When was this NPI record last updated?
The NPPES record for William Apfeldorf was last updated on September 6, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# William Jay Apfeldorf, MD · NPI 1144235698
Psychiatry physician in White Plains, New York. Individual provider, active in the CMS NPPES registry since July 30, 2006.
## Identity
- **NPI:** 1144235698 (Entity type: Individual)
- **Enumerated:** July 30, 2006
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 174834 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 21 BLOOMINGDALE RD # 58, White Plains, NY 10605-1504
- **Phone:** (914) 997-5809 · **Fax:** (914) 682-6902
## 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): The New York And Presbyterian Hosp (NPI 1063683068, White Plains, NY); Weill Medical College Of Cornell Univ. (NPI 1427165489, White Plains, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1987
## Record status
- **NPPES last updated:** September 6, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1144235698) · Data from the CMS NPPES public registry.