Active NPI
Robert James Seiler, D.O.
- Obstetrics & Gynecology Physician
- Nashua, NH
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Obstetrics & Gynecology Physician
- License
- 39785
- Practice address
- 2300 Southwood Dr
Nashua, NH 03063-1818 - Phone
- (603) 577-2560
- Fax
- (603) 640-1228
- NPI assigned
- Mar 24, 2006
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Obstetrics & Gynecology Physician | 207V00000X | 5101013921 | MI | |
| Obstetrics & Gynecology Physician | 207V00000X | 39785 | NH | Primary |
Addresses
Primary practice location
2300 Southwood Dr
Nashua, NH 03063-1818
Mailing address
PO Box 810
Hanover, NH 03755-0810
Other practice location 1
1650 Haslett Rd
Haslett, MI 48840-7615
Phone (517) 853-5576
Other identifiers 4
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 0700523 | Other | MI | PHP |
| 160C311260 | Other | MI | BCBSM COMM BLUE CHOICEBCN |
| 1020335 | Other | MI | MHP HAN |
| 1831159847 | Medicaid | MI |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in MI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Obstetrics/Gynecology
- Education
- Des Moines University of Osteopathic Medicine and Health Sciences, 1998
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
1650 Haslett Rd
Suite 2
Haslett, MI 48840-7615
Phone (517) 853-5576
2900 Collins Rd
Lansing, MI 48910-8394
Phone (517) 975-7575
Hospital & facility affiliations
- McLaren Greater Lansing
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Removal of the uterus | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Osteopathy
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 5101013921 | MI | MD | Obstetrics & Gynecology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Capital Internal Medicine Associates P.C. | Current | Accepting new patients | |
| McLaren Greater Lansing | Current | Accepting new patients | |
| Metropolitan Hospital | Current | Accepting new patients | |
| Metropolitan Hospital | Obstetrics & Gynecology | Current | Accepting new patients |
| McLaren Greater Lansing | Current | Accepting new patients | |
| Memorial Hospital Inc | Past | Accepting new patients | |
| McLaren Greater Lansing | Past | Accepting new patients | |
| McLaren Greater Lansing | Past | Accepting new patients |
Locations
111 Lansing St
Ste 200
Charlotte, MI 48813
Phone (517) 541-5882
1650 Haslett Rd
Ste 2
Haslett, MI 48840
Phone (517) 853-5576
1650 Haslett Rd
Haslett, MI 48840
Phone (517) 339-3200
1650 Haslett Rd
Ste 1
Haslett, MI 48840
Phone (517) 339-3200
3220 Discovery Dr
Ste 200
Lansing, MI 48910
Phone (517) 975-8910
2900 Collins Rd
Lansing, MI 48910
Phone (517) 975-7500
3955 Patient Care Dr
Ste A
Lansing, MI 48911
Phone (517) 374-7600
2727 S Pennsylvania Ave
Lansing, MI 48910
Phone (517) 975-3750
3955 Patient Care Dr
Lansing, MI 48911
Phone (517) 374-7600
3101 Discovery Dr
Ste 400
Lansing, MI 48910
Phone (517) 975-3750
781 36th St SE
Wyoming, MI 49548
Phone (616) 252-4100
5900 Byron Center Ave SW
Wyoming, MI 49519
Phone (616) 252-3243
Interoperability endpoints
- robert.seiler@cimamed.eclinicaldirectplus.com
Organizations & group practices 9
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Internal Medicine Physician
- Lansing, MI
- NPI 1780629832
-
- Gynecologic Oncology Physician
- Lansing, MI
- NPI 1265600902
-
- Internal Medicine Physician
- Wyoming, MI
- NPI 1811937519
-
- Family Medicine Physician
- Okemos, MI
- NPI 1972878452
-
- Internal Medicine Physician
- Lansing, MI
- NPI 1265579734
-
- Hematology & Oncology Physician
- Lansing, MI
- NPI 1033444351
-
- General Acute Care Hospital
- Lansing, MI
- NPI 1134104672
-
- Rural Health Clinic/Center
- Neillsville, WI
- NPI 1619966793
Hospital & facility affiliations 1
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Lansing, MI
- NPI 1134104672
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1143158400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1782691200000",
"number": "1831159847",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 810",
"city": "HANOVER",
"state": "NH",
"postal_code": "037550810"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2300 SOUTHWOOD DR",
"city": "NASHUA",
"state": "NH",
"postal_code": "030631818",
"telephone_number": "603-577-2560",
"fax_number": "603-640-1228"
}
],
"practiceLocations": [
{
"address_1": "1650 Haslett Rd",
"address_purpose": "LOCATION",
"city": "Haslett",
"state": "MI",
"postal_code": "488407615",
"country_code": "US",
"telephone_number": "517-853-5576",
"fax_number": "571-853-5577",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "SEILER",
"first_name": "ROBERT",
"middle_name": "JAMES",
"name_prefix": "Dr.",
"credential": "D.O.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-03-24",
"last_updated": "2026-06-29",
"certification_date": "2026-06-29",
"status": "A"
},
"taxonomies": [
{
"code": "207V00000X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology",
"state": "MI",
"license": "5101013921",
"primary": false
},
{
"code": "207V00000X",
"taxonomy_group": "",
"desc": "Obstetrics & Gynecology",
"state": "NH",
"license": "39785",
"primary": true
}
],
"identifiers": [
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "PHP",
"identifier": "0700523",
"state": "MI"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "BCBSM COMM BLUE CHOICEBCN",
"identifier": "160C311260",
"state": "MI"
},
{
"code": "01",
"desc": "Other (non-Medicare)",
"issuer": "MHP HAN",
"identifier": "1020335",
"state": "MI"
},
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "1831159847",
"state": "MI"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Nashua, NH
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 29, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.