CHRISTOPH BUETTNER MD, PHD
NPI 1609092766
Internal Medicine - Endocrinology, Diabetes & Metabolism in New York, NY
About Christoph Buettner Md, Phd NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTOPH BUETTNER MD, PHD (NPI 1609092766) is an individual endocrinology, diabetes & metabolism provider in New York, New York, licensed in New York (243696) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS, is affiliated with Robert Wood Johnson University Hospital, and is a graduate of Other (1994).
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
Christoph Buettner Md, Phd 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 Christoph Buettner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Piscataway, NJ 08854
- Reassigned Medicare billing, New Jersey enrollment
- 641 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.
Robert Wood Johnson University Hospital
Acute Care Hospitals · New Brunswick, NJPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 10029 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NEW YORK, NY 10029
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 Christoph Buettner's NPI number?
The NPI number for Christoph Buettner is 1609092766. It was assigned to this individual provider in the NPPES registry on April 17, 2007.
Where is Christoph Buettner located?
Christoph Buettner practices at 5 E 98th St, New York, NY 10029. The listed phone number is (212) 241-7975.
What is Christoph Buettner's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.
Is Christoph Buettner enrolled in Medicare?
Yes. Christoph Buettner 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 Christoph Buettner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christoph Buettner reassigns Medicare benefits to Rutgers Health-Rwj Scleroderma Program (Piscataway, NJ). 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 Christoph Buettner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Christoph Buettner accept?
Health plans from Oscar Health list Christoph Buettner 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.
Is Christoph Buettner affiliated with any hospitals?
According to CMS data, Christoph Buettner is affiliated with Robert Wood Johnson University Hospital.
When was this NPI record last updated?
The NPPES record for Christoph Buettner was last updated on July 20, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Christoph Buettner, MD, PHD · NPI 1609092766
Endocrinology, Diabetes & Metabolism physician in New York, New York. Individual provider, active in the CMS NPPES registry since April 17, 2007.
## Identity
- **NPI:** 1609092766 (Entity type: Individual)
- **Enumerated:** April 17, 2007
- **Primary specialty:** Internal Medicine - Endocrinology, Diabetes & Metabolism · taxonomy 207RE0101X
- **State license:** 243696 (New York)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 5 E 98TH ST, New York, NY 10029-6501
- **Phone:** (212) 241-7975
## 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:** Rutgers Health-Rwj Scleroderma Program (NPI 1316222664, Piscataway, NJ), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1994
## Record status
- **NPPES last updated:** July 20, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1609092766) · Data from the CMS NPPES public registry.