DR. MICHAEL STEVEN GEIER D.O
NPI 1518228634
Internal Medicine in New York, NY
About Dr. Michael Steven Geier D.o NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MICHAEL STEVEN GEIER D.O (NPI 1518228634) is an individual internal medicine provider in New York, New York, licensed in New York (280923) and active in the NPI registry since June 2012. He is enrolled in Medicare PECOS and is a graduate of Other (2012).
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. Michael Steven Geier D.o 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
3Medicare enrollment records show Michael Geier reassigns Medicare billing to 3 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 enrollment
- 163 clinicians in this Medicare group
New York, NY 10019
- Reassigned Medicare billing, New York enrollment
- 99 clinicians in this Medicare group
Glen Cove, NY 11542
- Reassigned Medicare billing, New York enrollment
- 66 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10001 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 17
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10001
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 Michael Geier's NPI number?
The NPI number for Michael Geier is 1518228634. It was assigned to this individual provider in the NPPES registry on June 5, 2012.
Where is Michael Geier located?
Michael Geier practices at 160 W 26th St, New York, NY 10001. The listed phone number is (212) 924-2510.
What is Michael Geier's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Michael Geier enrolled in Medicare?
Yes. Michael Geier 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 Michael Geier's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Michael Geier reassigns Medicare benefits to 3 organizations: Premier Healthcare, Inc. (New York, NY), Mount Sinai School Of Medicine (New York, NY) and Charles Evans Center, Inc (Glen Cove, 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 Michael Geier's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Michael Geier was last updated on May 13, 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.
# Dr. Michael Steven Geier, D.O · NPI 1518228634
Internal Medicine physician in New York, New York. Individual provider, active in the CMS NPPES registry since June 5, 2012.
## Identity
- **NPI:** 1518228634 (Entity type: Individual)
- **Enumerated:** June 5, 2012
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 280923 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 160 W 26TH ST, New York, NY 10001-6975
- **Phone:** (212) 924-2510 · **Fax:** (212) 929-8805
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Premier Healthcare, Inc. (NPI 1831330182, New York, NY); Mount Sinai School Of Medicine (NPI 1528538774, New York, NY); Charles Evans Center, Inc (NPI 1770142366, Glen Cove, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** May 13, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1518228634) · Data from the CMS NPPES public registry.