Robert James Seiler, D.O.
Obstetrics & Gynecology Physician · Nashua, NH
Robert James Seiler, D.O. is an obstetrics & gynecology physician with a practice address in Nashua, New Hampshire, and NPI 1831159847, issued on Mar 24, 2006. Check the license (New Hampshire 39785, as entered in NPPES) on the New Hampshire Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Robert James Seiler
- Credential
- D.O.
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 39785 NH
5101013921 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2300 Southwood Dr, Nashua, NH 03063
- Phone
- (603) 577-2560
- Enumerated
- Mar 24, 2006
- Record last updated
- Jun 29, 2026
- Fax
- (603) 640-1228
- Medicaid ID
- 1831159847 MI
- Medicare enrollment
- Enrolled (PECOS I20060921000396); accepts Medicare assignment
- Medical or professional school
- Des Moines University Of Osteopathic Medicine And Health Sciences, 1998
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 240 in New Hampshire → Look up another NPI →
Also registered at 2300 Southwood Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Susan Abel, M.D.Pediatrics Physician1093826893
- Paul Acevedo, CNPNurse Practitioner1184198590
- Asma Ahmed, MDInternal Medicine Physician1972788073
- May Aldaabil, M.DRheumatology Physician1306243910
Verify Robert James Seiler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNew Hampshire Board of Medicine
Search for license 39785Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
12% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024
184 Medicare Part D claims for 66 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Estradiol28 claims
- Progesterone20 claims
- Myrbetriq11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $635.50
28 payments; by number, the most common kind was food and beverage; the largest payer was Heron Therapeutics, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospitals and group practices
- Mclaren Greater LansingLansing, MI · Acute Care Hospitals3 of 5 stars
- Capital Internal Medicine Associates P.C.Haslett, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Robert James Seiler among 240 obstetrics & gynecology physician records in New Hampshire
Robert James Seiler, D.O. is one of 240 obstetrics & gynecology physician records with a practice address in New Hampshire. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 18% of them.
- NPI issued2006 · 18% of these records are older, 45% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated1998 · median 2006 among the 157 with a school on file
- Record last updated2026 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a New Hampshire practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in New Hampshire
There are 240 obstetrics & gynecology physician records in New Hampshire.
All 240 in New Hampshire → Every provider in Nashua → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Valerie Bell, M.D.Nashua, NH 030631306860242
- Sharon Hart Silveira, MDNashua, NH 030631821252149
- Samantha White, DONashua, NH 030631689237463
- John Hughes, MDNashua, NH 030621528020211
- Asma Daoudi, MD, MSNashua, NH 030601811566433
- David Deifik, MDNashua, NH 030601205853199
- Heather Feltmate, MDNashua, NH 030601972513810
- Lydia Garcia, MDNashua, NH 030601215128699
Common questions
What is Robert James Seiler, D.O.'s NPI number?
Robert James Seiler, D.O.'s National Provider Identifier (NPI) is 1831159847, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert James Seiler, D.O. located?
The NPPES record lists a practice address at 2300 Southwood Dr, Nashua, NH, 03063. Phone: (603) 577-2560. Providers update this record themselves, so call before visiting.
How can I verify Robert James Seiler, D.O.'s license?
NPPES lists New Hampshire license number 39785, as entered by the provider. Search the New Hampshire Board of Medicine at https://www.oplc.nh.gov/board-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert James Seiler, D.O. prescribe under Medicare Part D?
In 2024, Robert James Seiler, D.O. had 184 Medicare Part D claims for 66 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.