STEPHEN H GEISLER MD
NPI 1891859914
Psychiatry & Neurology - Psychiatry in New York, NY
About Stephen H Geisler Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN H GEISLER MD (NPI 1891859914) is an individual psychiatry provider in New York, New York, licensed in New York (156371) and active in the NPI registry since December 2006. He is enrolled in Medicare PECOS, is affiliated with Long Island Jewish Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
Other Identifiers 1
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
Stephen H Geisler 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
4Medicare enrollment records show Stephen Geisler reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New York, NY 10001
- Reassigned Medicare billing, New York and Pennsylvania enrollments
- 590 clinicians in this Medicare group
New Hyde Park, NY 11040
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
Hampton, NJ 08827
- Reassigned Medicare billing, New Jersey enrollment
- 98 clinicians in this Medicare group
Jacksonville, FL 32207
- Reassigned Medicare billing, Pennsylvania enrollment
- 96 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Long Island Jewish Medical Center
Acute Care Hospitals · New Hyde Park, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10018 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
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 Stephen Geisler's NPI number?
The NPI number for Stephen Geisler is 1891859914. It was assigned to this individual provider in the NPPES registry on December 21, 2006.
Where is Stephen Geisler located?
Stephen Geisler practices at 10 W 37th St Fl 5, New York, NY 10018. The listed phone number is (929) 296-1624.
What is Stephen Geisler's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Stephen Geisler enrolled in Medicare?
Yes. Stephen Geisler 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 Stephen Geisler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Geisler reassigns Medicare benefits to 4 organizations: Mccd Psychiatry Services PLLC (New York, NY), North Shore - Lij Medical PC (New Hyde Park, NY), Mccd New Jersey Psychiatry Services LLC (Hampton, NJ) and Mccd Fl Psychiatry Services PA (Jacksonville, FL). 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 Stephen Geisler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Stephen Geisler affiliated with any hospitals?
According to CMS data, Stephen Geisler is affiliated with Long Island Jewish Medical Center.
When was this NPI record last updated?
The NPPES record for Stephen Geisler was last updated on February 11, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Stephen H Geisler, MD · NPI 1891859914
Psychiatry physician in New York, New York. Individual provider, active in the CMS NPPES registry since December 21, 2006.
## Identity
- **NPI:** 1891859914 (Entity type: Individual)
- **Enumerated:** December 21, 2006
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 156371 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 10 W 37TH ST FL 5, New York, NY 10018-7396
- **Phone:** (929) 296-1624 · **Fax:** (844) 525-5188
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Mccd Psychiatry Services PLLC (NPI 1033750823, New York, NY); North Shore - Lij Medical PC (NPI 1790043479, New Hyde Park, NY); Mccd New Jersey Psychiatry Services LLC (NPI 1023729530, Hampton, NJ); Mccd Fl Psychiatry Services PA (NPI 1659003457, Jacksonville, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York University School Of Medicine, class of 1981
## Record status
- **NPPES last updated:** February 11, 2020
- **Other identifiers:** Medicaid 01810668 (NY)
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Source: [NPI Profile](https://npiprofile.com/npi/1891859914) · Data from the CMS NPPES public registry.