DR. ROBERT JAMES SEILER D.O.
NPI 1831159847
Obstetrics & Gynecology in Nashua, NH
About Dr. Robert James Seiler D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ROBERT JAMES SEILER D.O. (NPI 1831159847) is an individual obstetrics & gynecology provider in Nashua, New Hampshire, licensed in New Hampshire (39785) and active in the NPI registry since March 2006. He is enrolled in Medicare PECOS, is affiliated with Mclaren Greater Lansing, and maintains a secondary practice location in Haslett.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 4
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. Robert James Seiler 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
4Medicare enrollment records show Robert Seiler reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 2,999 clinicians in this Medicare group
Okemos, MI 48864
- Reassigned Medicare billing, Michigan enrollment
- Also billed through NPI 1972878452 (Michigan)
- 167 clinicians in this Medicare group
Lansing, MI 48911
- Reassigned Medicare billing, Michigan enrollment
- 108 clinicians in this Medicare group
Grand Rapids, MI 49546
- Reassigned Medicare billing, Michigan enrollment
- 685 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
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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mclaren Greater Lansing
Acute Care Hospitals · Lansing, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 03063 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.
NASHUA, NH 03063
NASHUA, NH 03063
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 Robert Seiler's NPI number?
The NPI number for Robert Seiler is 1831159847. It was assigned to this individual provider in the NPPES registry on March 24, 2006.
Where is Robert Seiler located?
Robert Seiler practices at 2300 Southwood Dr, Nashua, NH 03063. The listed phone number is (603) 577-2560.
What is Robert Seiler's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Robert Seiler enrolled in Medicare?
Yes. Robert Seiler 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 Robert Seiler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Robert Seiler reassigns Medicare benefits to 4 organizations: Dartmouth-Hitchcock Clinic (Keene, NH), Mclaren Greater Lansing (Okemos, MI), Capital Internal Medicine Associates P.C. (Lansing, MI) and Metropolitan Hospital (Grand Rapids, MI). 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 Robert Seiler's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Robert Seiler accept?
Health plans from Anthem Blue Cross and Blue Shield, Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company, Harvard Pilgrim Health Care and HealthPartners and 3 other insurers list Robert Seiler 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 Robert Seiler affiliated with any hospitals?
According to CMS data, Robert Seiler is affiliated with Mclaren Greater Lansing.
When was this NPI record last updated?
The NPPES record for Robert Seiler was last updated on June 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.