What is Alexander Sommers's NPI number?

Alexander Sommers's National Provider Identifier (NPI) is 1659432581, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Alexander Sommers's specialty?

Alexander Sommers is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Alexander Sommers located?

Alexander Sommers's practice location on file with NPPES is 1405 Mill St, New London, WI 54961-2155.

What is Alexander Sommers's phone number?

The practice phone number listed in the NPPES registry for Alexander Sommers is (920) 531-2000.

Does Alexander Sommers accept Medicare?

Alexander Sommers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.

Is Alexander Sommers's NPI active?

Yes — Alexander Sommers's NPI (1659432581) is active in the NPPES registry as of the last update on 2019-06-05.

IndividualActiveAccepts Medicare

Alexander Sommers, MD

NPI 1659432581 · Emergency Medicine Physician · New London, WI

Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)

Alexander Sommers, MD is a Emergency Medicine Physician provider in New London, WI (NPI 1659432581).

Provider details

NPI number: 1659432581
Entity type: Individual
Primary specialty: Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
Credential: MD
Sex: Male
Sole proprietor: No
License: 42405 (WI)

Specialties & taxonomies

Emergency Medicine PhysicianPrimary207P00000XLicense 42405 (WI)
Allopathic & Osteopathic Physicians
General Practice Physician208D00000XLicense 42405 (WI)
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(99/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
5 documented practice locations

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

1405 Mill St

New London, WI 54961-2155

Phone: (920) 531-2000

Fax: (920) 531-2098

Street-level locationGet directions

More WI providers

Mailing address

668 Maratech Ave # 4

Marathon, WI 54448-9007

Additional practice locations (4)

668 Maratech Ave # 4
Marathon, WI 54448-9007
Phone: (888) 885-4434
100 County Road B
Shawano, WI 54166-7072
Phone: (715) 526-2111
Fax: (715) 526-7308
800 Riverside Dr
Waupaca, WI 54981-1943
Phone: (715) 258-1000
Fax: (715) 258-2000
601 Grove Ave
Wild Rose, WI 54984-6903
Phone: (920) 622-3257
Fax: (920) 622-5593

Enumerated: 2006-12-13
Last updated: 2019-06-05

Frequently asked questions

What is Alexander Sommers's NPI number?: Alexander Sommers's National Provider Identifier (NPI) is 1659432581, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Alexander Sommers's specialty?: Alexander Sommers is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
Where is Alexander Sommers located?: Alexander Sommers's practice location on file with NPPES is 1405 Mill St, New London, WI 54961-2155.
What is Alexander Sommers's phone number?: The practice phone number listed in the NPPES registry for Alexander Sommers is (920) 531-2000.
Does Alexander Sommers accept Medicare?: Alexander Sommers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
Is Alexander Sommers's NPI active?: Yes — Alexander Sommers's NPI (1659432581) is active in the NPPES registry as of the last update on 2019-06-05.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.