Dr. William Arthur Seiffert, MD
- Part D claims, 2024
- 35
- Hospital affiliations
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 4311 East Lohman Avenue, Las Cruces, NM 88011
- Practice phone
- Call (575) 556-7610
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Seiffert's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. William Arthur Seiffert is an internist in Las Cruces, New Mexico
Dr. Seiffert practices at MountainView Regional Medical Center in Las Cruces, New Mexico, part of Community Health Systems.
Dr. Seiffert's NPI, 1669563284, was assigned on September 27, 2006. Dr. Seiffert holds New Mexico license MD2009-0068.
- NPI
- 1669563284NPI Registry (opens in a new tab)
- NPI enumeration date
- September 27, 2006
- NPI status
- Active
- Practice phone
- (575) 556-7610
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Arthur Seiffert practices at MountainView Regional Medical Center in Las Cruces, New Mexico
Dr. Seiffert's primary practice is MountainView Regional Medical Center, at 4311 East Lohman Avenue, Las Cruces, NM 88011 in Dona Ana County. The practice phone is (575) 556-7610.
- MountainView Regional Medical Center4311 East Lohman Avenue, Las Cruces, NM 88011 · Dona Ana CountyPhone(575) 556-7610
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William Arthur Seiffert is affiliated with 1 site of care and 1 medical group
Dr. Seiffert's primary practice is MountainView Regional Medical Center in Las Cruces, New Mexico, part of Community Health Systems. The medical group on file is MountainView Medical Group.
Sources: Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William Arthur Seiffert's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Seiffert practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MountainView Regional Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William Arthur Seiffert is one of 734 internists in New Mexico
Internal medicine is Dr. Seiffert's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Seiffert is licensed in New Mexico.
Specialties and state licenses
- Internal medicine, New MexicoPrimary
Internists near Dr. Seiffert
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William Arthur Seiffert's patients have a median age of 84
Across all payers, Dmand AI patient panel data puts Dr. Seiffert's median patient age at 84, with 0% women.
Dr. Seiffert's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 84
Patient panel by sex, all payers
- Women0%
- Men100%
Source: Dmand AI Patient Panel Data
Dr. William Arthur Seiffert wrote 35 Medicare Part D claims in 2024
In 2024, Dr. Seiffert wrote 35 Medicare Part D claims. 97% of them were for generic drugs.
Dr. Seiffert's Part D claims by kind of drug, 2024
- Generic34 claims97%
- Brand-name and other1 claims3%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Dr. William Arthur Seiffert's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Dmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. William Arthur Seiffert
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. William Arthur Seiffert's NPI number?
Dr. William Arthur Seiffert's NPI number is 1669563284. It was assigned on September 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William Arthur Seiffert?
Dr. William Arthur Seiffert is an internist in Las Cruces, New Mexico. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. William Arthur Seiffert practice?
Dr. Seiffert practices at 4311 East Lohman Avenue, Las Cruces, NM 88011. Dr. Seiffert's primary practice is MountainView Regional Medical Center in Las Cruces, New Mexico, part of Community Health Systems.
What is Dr. William Arthur Seiffert's office phone number?
The practice phone on file for Dr. Seiffert is (575) 556-7610.
What is Dr. William Arthur Seiffert's medical license number?
Dr. Seiffert holds New Mexico license MD2009-0068.
Which hospitals is Dr. William Arthur Seiffert affiliated with?
Dr. Seiffert practices at MountainView Regional Medical Center in Las Cruces, New Mexico.
What medical group is Dr. William Arthur Seiffert part of?
Dr. Seiffert is linked to MountainView Medical Group.
How long has Dr. William Arthur Seiffert been practicing?
Dr. Seiffert's NPI was assigned in 2006.
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