DR. DOUGLAS K. WARNER M.D.
NPI 1013941988
Emergency Medicine in Maryville, TN

Q: What is Douglas Warner's NPI number?

The NPI number for Douglas Warner is 1013941988. It was assigned to this individual provider in the NPPES registry on July 10, 2006.

Q: What is Douglas Warner's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Douglas Warner was last updated on November 7, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 10, 2006PECOS Enrolled

907 E LAMAR ALEXANDER PKWY, MARYVILLE, TN 37804(865) 983-7211 Get Directions Write a Review

NPPES record last updated: November 7, 2007. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Douglas K. Warner M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DOUGLAS K. WARNER M.D. (NPI 1013941988) is an individual emergency medicine provider in Maryville, Tennessee, licensed in Tennessee (MD29437) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1013941988

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameDR. DOUGLAS K. WARNERCredential: M.D.

Location Address907 E LAMAR ALEXANDER PKWYMaryville, TN 37804-5015

Mailing AddressPo Box 634706Cincinnati, OH 45263-0001

Phone(865) 983-7211

Sole ProprietorNo

Enumeration DateJuly 10, 2006

Last NPPES UpdateNovember 7, 2007

✔ NPI 1013941988 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in TN · MD29437

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

907 E LAMAR ALEXANDER PKWY, Maryville, TN 37804

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Other Identifiers 8

Medicare PIN3816020TN

Other3081449TN · Blue Cross

Medicaid3816021TN

OtherP00232370TN · Railroad Medicare

Other3076181TN · Blue Cross

Medicaid3816020TN

Medicare PIN3816021TN

Medicare UPING58088TN

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Douglas K. Warner M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Douglas Warner reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

App Of Tennessee Ed, PLLC

0.1 mi

Emergency Medicine

907 E LAMAR ALEXANDER PKWY
Maryville, TN 37804

Reassigned Medicare billing, Tennessee enrollment
390 clinicians in this Medicare group

NPI 1003230236 (865) 983-7211

Emergency Coverage, LLC

46 mi

Family Medicine

435 2ND ST
Newport, TN 37821

Reassigned Medicare billing, Tennessee enrollment
664 clinicians in this Medicare group

NPI 1427005008 (423) 625-2200

Southeastern Emergency Physicians LLC

199 mi

Emergency Medicine

989 MEDICAL PARK DR
Maysville, KY 41056

Reassigned Medicare billing, Tennessee enrollment
1,071 clinicians in this Medicare group

NPI 1356379382 (606) 759-5311

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 4

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

210 services208 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

46 services46 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

43 services43 patients

Emergency department visit with low level of medical decision making 99283

An emergency department visit for a problem of moderate severity involves immediate medical attention for issues like minor fractures, burns, or high fever. The healthcare team will assess your condition, provide necessary treatment, and may suggest further tests or admission if required.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37804 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$81.53 typical visit price

range $52.64 – $160.89

Typical copayment $20.38 (range $13.16 – $40.22)

Most-billed visit code 99203

Established Patient

$93.60 typical visit price

range $16.72 – $131.41

Typical copayment $23.40 (range $4.18 – $32.85)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

APP OF TENNESSEE ED, PLLC

Emergency Medicine