What is Markham Emergency Physicians LLC's NPI number?

Markham Emergency Physicians LLC's National Provider Identifier (NPI) is 1598900342, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What type of organization is Markham Emergency Physicians LLC?

Markham Emergency Physicians LLC is classified in the NPPES registry as Emergency Medicine Physician (Allopathic & Osteopathic Physicians).

Where is Markham Emergency Physicians LLC located?

Markham Emergency Physicians LLC's practice location on file with NPPES is 404 S Bradley St, Warren, AR 71671-3459.

What is Markham Emergency Physicians LLC's phone number?

The practice phone number listed in the NPPES registry for Markham Emergency Physicians LLC is (870) 226-3731.

Who is the authorized official for Markham Emergency Physicians LLC?

The authorized official listed on Markham Emergency Physicians LLC's NPPES record is Ross Ronan, Executive Vice President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.

Is Markham Emergency Physicians LLC's NPI active?

Yes — Markham Emergency Physicians LLC's NPI (1598900342) is active in the NPPES registry as of the last update on 2013-12-24.

OrganizationActive

Markham Emergency Physicians LLC

NPI 1598900342 · Emergency Medicine Physician · Warren, AR

Markham Emergency Physicians LLC is a Emergency Medicine Physician organization in Warren, AR (NPI 1598900342).

Provider details

NPI number: 1598900342
Entity type: Organization
Primary specialty: Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
Organization subpart: No
Authorized official: Ross Ronan, Executive Vice President(469) 401-2386

Practice location

404 S Bradley St

Warren, AR 71671-3459

Phone: (870) 226-3731

Fax: (800) 305-3233

Street-level locationGet directions

More AR providers

Mailing address

13737 Noel Rd

Dallas, TX 75240-1331

Specialties & taxonomies

Emergency Medicine PhysicianPrimary207P00000X
Allopathic & Osteopathic Physicians

Profile Score

Detailed profile(87/100 index)

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

Registry tenure38% of score
17 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

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.

Enumerated: 2008-12-09
Last updated: 2013-12-24

Frequently asked questions

What is Markham Emergency Physicians LLC's NPI number?: Markham Emergency Physicians LLC's National Provider Identifier (NPI) is 1598900342, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What type of organization is Markham Emergency Physicians LLC?: Markham Emergency Physicians LLC is classified in the NPPES registry as Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
Where is Markham Emergency Physicians LLC located?: Markham Emergency Physicians LLC's practice location on file with NPPES is 404 S Bradley St, Warren, AR 71671-3459.
What is Markham Emergency Physicians LLC's phone number?: The practice phone number listed in the NPPES registry for Markham Emergency Physicians LLC is (870) 226-3731.
Who is the authorized official for Markham Emergency Physicians LLC?: The authorized official listed on Markham Emergency Physicians LLC's NPPES record is Ross Ronan, Executive Vice President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
Is Markham Emergency Physicians LLC's NPI active?: Yes — Markham Emergency Physicians LLC's NPI (1598900342) is active in the NPPES registry as of the last update on 2013-12-24.

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

Provider details

Practice location

Mailing address

Specialties & taxonomies

Profile Score

Registry dates

Frequently asked questions

Specialties & taxonomies

Profile Score

Frequently asked questions