GEOFFREY ROBERT SINNER MD
NPI 1851517585
Psychiatry & Neurology - Psychiatry in Lebanon, NH
About Geoffrey Robert Sinner Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GEOFFREY ROBERT SINNER MD (NPI 1851517585) is an individual psychiatry provider in Lebanon, New Hampshire, licensed in New Hampshire (AMO443173-6356) and active in the NPI registry since April 2007. He is enrolled in Medicare PECOS and is a graduate of University Of Connecticut School Of Medicine (2007).
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
Geoffrey Robert Sinner 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 Geoffrey Sinner reassigns Medicare billing to 2 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
Jacksonville, FL 32207
- Reassigned Medicare billing, District of Columbia, Florida, Missouri, Ohio and Pennsylvania enrollments
- 76 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 03756 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LEBANON, NH 03756
LEBANON, NH 03756
LEBANON, NH 03756
LEBANON, NH 03756
LEBANON, NH 03756
LEBANON, NH 03756
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 Geoffrey Sinner's NPI number?
The NPI number for Geoffrey Sinner is 1851517585. It was assigned to this individual provider in the NPPES registry on April 18, 2007.
Where is Geoffrey Sinner located?
Geoffrey Sinner practices at Dartmouth-Hitchcock Medical Center One Medical Center Drive, Lebanon, NH 03756. The listed phone number is (603) 650-5748.
What is Geoffrey Sinner's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Geoffrey Sinner enrolled in Medicare?
Yes. Geoffrey Sinner 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 Geoffrey Sinner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Geoffrey Sinner reassigns Medicare benefits to 2 organizations: Mccd Psychiatry Services PLLC (New York, NY) 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 Geoffrey Sinner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Geoffrey Sinner accept?
Health plans from Anthem Blue Cross and Blue Shield and UnitedHealthcare list Geoffrey Sinner 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 Geoffrey Sinner was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Geoffrey Robert Sinner, MD · NPI 1851517585
Psychiatry physician in Lebanon, New Hampshire. Individual provider, active in the CMS NPPES registry since April 18, 2007.
## Identity
- **NPI:** 1851517585 (Entity type: Individual)
- **Enumerated:** April 18, 2007
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** AMO443173-6356 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** DARTMOUTH-HITCHCOCK MEDICAL CENTER, ONE MEDICAL CENTER DRIVE, Lebanon, NH 03756-0001
- **Phone:** (603) 650-5748
## 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): Mccd Psychiatry Services PLLC (NPI 1033750823, New York, NY); Mccd Fl Psychiatry Services PA (NPI 1659003457, Jacksonville, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Connecticut School Of Medicine, class of 2007
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1851517585) · Data from the CMS NPPES public registry.