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MS. MELISSA S KNARR DO
NPI 1366427312
Emergency Medicine in Warren, OH

Active since December 13, 2005PECOS Enrolled
667 EASTLAND AVENUE SE, WARREN, OH 44484(330) 841-4000(330) 841-4007 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Ms. Melissa S Knarr Do NPPES

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

MS. MELISSA S KNARR DO (NPI 1366427312) is an individual emergency medicine provider in Warren, Ohio, licensed in Ohio (34 00 8348) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1366427312
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameMS. MELISSA S KNARRCredential: DO
Location Address667 EASTLAND AVENUE SEWarren, OH 44484
Mailing Address5700 Darrow Road, Suite 106Hudson, OH 44236-5021 · (330) 656-5911 · Fax (330) 656-5901
Phone(330) 841-4000
Fax(330) 841-4007
Sole ProprietorNo
Enumeration DateDecember 13, 2005
Last NPPES UpdateJuly 8, 2007
✔ NPI 1366427312 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
License✔ Licensed in OH · 34 00 8348
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.
667 EASTLAND AVENUE SE, Warren, OH 44484
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Other Identifiers 3

Medicare UPINI27291
Medicare ID-Type UnspecifiedKN4159721
Medicaid2589755OH

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Melissa S Knarr Do 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 Reassignment

Medicare enrollment records show Melissa Knarr reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ohio Emergency Care Services Inc
  • Reassigned Medicare billing, Ohio enrollment
  • 179 clinicians in this Medicare group
No phone listed

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.
175 services168 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.
106 services102 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.
25 services24 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.
19 services18 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 44484 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
$84.72 typical visit price
range $54.34 – $166.65
Typical copayment $21.18 (range $13.58 – $41.66)
Most-billed visit code 99203
Established Patient
$96.44 typical visit price
range $17.10 – $135.40
Typical copayment $24.11 (range $4.27 – $33.85)
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

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

MERCY HEALTH YOUNGSTOWN LLC
Clinical Medical Laboratory
667 EASTLAND AVENUE SE
WARREN, OH 44484
Trumbull County (330) 841-4000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Melissa Knarr's NPI number?

The NPI number for Melissa Knarr is 1366427312. It was assigned to this individual provider in the NPPES registry on December 13, 2005.

Where is Melissa Knarr located?

Melissa Knarr practices at 667 Eastland Avenue SE, Warren, OH 44484. The listed phone number is (330) 841-4000.

What is Melissa Knarr's specialty?

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

Is Melissa Knarr enrolled in Medicare?

Yes. Melissa Knarr is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Melissa Knarr's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Knarr reassigns Medicare benefits to Ohio Emergency Care Services Inc (OH). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Melissa Knarr's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Melissa Knarr was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.