Martha Barr, FNP-C
Family Nurse Practitioner · Longview, TX
Martha Barr, FNP-C is a family nurse practitioner with a practice address in Longview, Texas, and NPI 1811366479, issued on Sep 24, 2015. Check the license (Texas AP12915, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Martha Barr
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- AP12915 TX
Self-reported in NPPES; status is on the state search - Practice location
- 805 Medical Dr, Longview, TX 75605
- Phone
- (903) 232-8100
- Enumerated
- Sep 24, 2015
- Record last updated
- Jan 18, 2023
- Fax
- (903) 232-8115
- Medicaid ID
- 355902303 TX
- Medicare enrollment
- Enrolled (PECOS I20151118000966); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 21,242 in Texas → Look up another NPI →
Also registered at 805 Medical Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marco Chavez, MDFamily Medicine Physician1033566435
- Sarah Chavez, M.D.Family Medicine Physician1164713988
- Laine Claxton, APRNNurse Practitioner1790292266
- Gavyn Diviney, FNP-CFamily Nurse Practitioner1578308011
- Kamri Hickerson, MPAS, PA-CPhysician Assistant1386423531
- Beverly Iltis, PAPhysician Assistant1326015074
Verify Martha Barr in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license AP12915Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6.0 times the Medicare Part D claims of the average family nurse practitioner in 2024
7,783 Medicare Part D claims for 377 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims. 104 claims were for opioids.
Most prescribed
- Atorvastatin Calcium486 claims
- Levothyroxine Sodium264 claims
- Losartan Potassium262 claims
- Amlodipine Besylate253 claims
- Lisinopril217 claims
- Pantoprazole Sodium178 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $2,579.92
118 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Associated Clinicians OF East TexasLongview, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Martha Barr among 21,242 family nurse practitioner records in Texas
Martha Barr, FNP-C is one of 21,242 family nurse practitioner records with a practice address in Texas. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 26% of them.
- NPI issued2015 · 26% of these records are older, 69% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2015 · median 2018 among the 11,286 with a school on file
- Record last updated2023 · 38% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
142 family nurse practitioner records list a practice address in Longview
They are 142 of the 2,066 NPPES records with a practice address in Longview, and 21,242 family nurse practitioner records in Texas.
All 21,242 in Texas → Every provider in Longview → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Kim Britton, APN-CLongview, TX 756051497839435
- Michelle Engdayehu, RN FNPLongview, TX 756051205292935
- Trent Gale, FNPLongview, TX 756051972596096
- Mary Gamel, MSN, FNP-BCLongview, TX 756051457370298
- Breann Hart, APRN, MSN, FNP-CLongview, TX 756051356710230
- Lena Ingraham, PPCNP-BC, FNP-CLongview, TX 756051861884835
- Amy Lewis, FNP-CLongview, TX 756051134586290
- Sondra Rolater, RN, FNPLongview, TX 756051598739351
Common questions
What is Martha Barr, FNP-C's NPI number?
Martha Barr, FNP-C's National Provider Identifier (NPI) is 1811366479, issued on Sep 24, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Martha Barr, FNP-C located?
The NPPES record lists a practice address at 805 Medical Dr, Longview, TX, 75605. Phone: (903) 232-8100. Providers update this record themselves, so call before visiting.
How can I verify Martha Barr, FNP-C's license?
NPPES lists Texas license number AP12915, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Martha Barr, FNP-C prescribe under Medicare Part D?
In 2024, Martha Barr, FNP-C had 7,783 Medicare Part D claims for 377 beneficiaries; the average among family nurse practitioner prescribers was 1,305. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.