DR. IAN JOHN SADLER PH.D.
NPI 1992805097
Psychologist - Clinical in New York, NY
About Dr. Ian John Sadler Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. IAN JOHN SADLER PH.D. (NPI 1992805097) is an individual clinical provider in New York, New York, licensed in New York (021935-1) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS and is a graduate of University Of Florida College Of Medicine (1999).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Ian John Sadler Ph.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 Reassignment
Medicare enrollment records show Ian Sadler reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New York, NY 10032
- Reassigned Medicare billing, New York enrollment
- 3,922 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 3
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10032 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
NEW YORK, NY 10032
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 Ian Sadler's NPI number?
The NPI number for Ian Sadler is 1992805097. It was assigned to this individual provider in the NPPES registry on September 25, 2006.
Where is Ian Sadler located?
Ian Sadler practices at 710 W 168th St Neurological Institute-12th Floor, New York, NY 10032. The listed phone number is (212) 305-9758.
What is Ian Sadler's specialty?
The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.
Is Ian Sadler enrolled in Medicare?
Yes. Ian Sadler 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 Ian Sadler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ian Sadler reassigns Medicare benefits to Trustees Of Columbia University In The City Of New York (New York, NY). 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 Ian Sadler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ian Sadler accept?
Health plans from Oscar Health list Ian Sadler 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.
When was this NPI record last updated?
The NPPES record for Ian Sadler was last updated on March 2, 2017. 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. Ian John Sadler, PH.D. · NPI 1992805097
Clinical provider in New York, New York. Individual provider, active in the CMS NPPES registry since September 25, 2006.
## Identity
- **NPI:** 1992805097 (Entity type: Individual)
- **Enumerated:** September 25, 2006
- **Primary specialty:** Psychologist - Clinical · taxonomy 103TC0700X
- **State license:** 021935-1 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 710 W 168TH ST, NEUROLOGICAL INSTITUTE-12TH FLOOR, New York, NY 10032-3726
- **Phone:** (212) 305-9758 · **Fax:** (212) 342-1699
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Trustees Of Columbia University In The City Of New York (NPI 1508266347, New York, NY), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Florida College Of Medicine, class of 1999
## Record status
- **NPPES last updated:** March 2, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1992805097) · Data from the CMS NPPES public registry.