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KAREN MESMER BYRD FNP
NPI 1003440520
Nurse Practitioner - Family in Morehead City, NC

Active since February 24, 2020PECOS EnrolledAccepts Medicare Assignment
534 N 35TH ST STE A, MOREHEAD CITY, NC 28557(252) 773-0614(252) 773-0617 Get Directions Write a Review

NPPES record last updated: March 17, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Mar 17, 2026, Dec 2, 2024, Feb 24, 2020 (3 updates tracked since 2020).

About Karen Mesmer Byrd Fnp NPPES

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

KAREN MESMER BYRD FNP (NPI 1003440520) is an individual family provider in Morehead City, North Carolina, licensed in North Carolina (5012901) and active in the NPI registry since February 2020. She is enrolled in Medicare PECOS, is affiliated with Carteret General Hospital, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1003440520
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameKAREN MESMER BYRDCredential: FNP
Location Address534 N 35TH ST STE AMorehead City, NC 28557-3184
Mailing AddressPo Box 5105Belfast, ME 04915-5100 · (919) 220-5255 · Fax (919) 220-6971
Phone(252) 773-0614
Fax(252) 773-0617
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateFebruary 24, 2020
Last NPPES UpdateMarch 17, 20263 updates tracked since enumeration
NPPES CertifiedMarch 17, 2026
✔ NPI 1003440520 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in NC · 5012901
Also ListedNurse PractitionerTaxonomy 363L00000X · License 5012901 (NC)
534 N 35TH ST STE A, Morehead City, NC 28557
Open in Google Maps ↗

Other Names 1

Former Name (1)Karen Mesmer Chaanine Fnp

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of NC, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Karen Mesmer Byrd Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID244669927
PECOS Enrollment IDI20200331003204
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.

Areas of Expertise CMS Part B claims 6

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.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
366 services133 patients
Testing for presence of drug, by chemistry analyzers 80307
Chemistry analyzers are used to detect the presence of drugs in your system. This test involves taking a small sample of your blood or urine. The sample is then analyzed for specific substances. The results help in understanding your health condition better.
323 services106 patients
Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms G0480
A definitive drug test is a detailed examination that can identify specific drugs in your system, even closely related ones. Techniques like GC/MS and LC/MS are used for high precision. This helps ensure accurate results for your safety and health.
309 services99 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
197 services153 patients
Drug test(s), definitive, utilizing (1) drug identification methods able to identify individual drugs and distinguish between structural isomers (but not necessarily stereoisomers), including, but not limited to gc/ms (any type, single or tandem) and lc/ms G0481
A definitive drug test is a detailed analysis used to identify specific drugs in your system. It uses advanced techniques, such as gc/ms and lc/ms, to detect and distinguish between different drugs, even those with similar structures.
44 services18 patients
Administration and interpretation of patient-focused health risk assessment 96160
This procedure involves a detailed evaluation of your health to identify potential risks. It includes analyzing your medical history, lifestyle habits, and family health history. The results are interpreted to provide a personalized plan to improve your health and prevent future issues.
24 services24 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Carteret General Hospital

Acute Care Hospitals · Morehead City, NC
3/5 CMS rating
OwnershipProprietary
CMS Certification Number340142
Location3500 Arendell StMorehead City, NC 28557 · Carteret County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 28557 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
$83.90 typical visit price
range $54.12 – $165.09
Typical copayment $20.97 (range $13.53 – $41.27)
Most-billed visit code 99203
Established Patient
$95.94 typical visit price
range $17.21 – $134.61
Typical copayment $23.98 (range $4.30 – $33.65)
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.

EMERGEORTHO, PA
Durable Medical Equipment & Medical Supplies
534 N 35TH ST STE A
MOREHEAD CITY, NC 28557
Carteret County (910) 332-3800

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 Karen Byrd's NPI number?

The NPI number for Karen Byrd is 1003440520. It was assigned to this individual provider in the NPPES registry on February 24, 2020. The provider is also known as Karen Mesmer Chaanine Fnp.

Where is Karen Byrd located?

Karen Byrd practices at 534 N 35th St Ste A, Morehead City, NC 28557. The listed phone number is (252) 773-0614.

What is Karen Byrd's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Karen Byrd enrolled in Medicare?

Yes. Karen Byrd is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Karen Byrd accept?

Health plans from Blue Cross and Blue Shield of NC and UnitedHealthcare list Karen Byrd as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Karen Byrd affiliated with any hospitals?

According to CMS data, Karen Byrd is affiliated with Carteret General Hospital.

When was this NPI record last updated?

The NPPES record for Karen Byrd was last updated on March 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.