Registry data as of Aug 27, 2026

Cynthia Armstrong, NP

Family Nurse Practitioner · Sherman, TX

Cynthia Armstrong, NP is a family nurse practitioner with a practice address in Sherman, Texas, and NPI 1841634722, issued on Apr 23, 2013. Check the license (Texas AP123487, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1841634722
Name
Cynthia Armstrong
Credential
NP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
AP123487 TX
Self-reported in NPPES; status is on the state search
Practice location
315 W Mclain Dr, Sherman, TX 75092
Phone
(903) 957-4701
Enumerated
Apr 23, 2013
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 315 W Mclain Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Anna Arrington, LCDCAddiction (Substance Use Disorder) Counselor1205328093
  2. Donna Blair, SLPSpeech-Language Pathologist1366530123
  3. Sylvia Cave, LCSWClinical Social Worker1417097841
  4. Jacquelyn Christopher, PHARMDPharmacist1932650975
  5. Melissa Cline, LCSWClinical Social Worker1366597445
  6. Amberlee Conley, LPCMental Health Counselor1134993066

Verify Cynthia Armstrong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license AP123487
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Find the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

32% more Medicare Part D claims than the average family nurse practitioner in 2024

1,722 Medicare Part D claims for 83 beneficiaries, against an average of 1,302 among the 128,048 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Cynthia Armstrong1,722
  2. Specialty average1,302

Most prescribed

  1. Atorvastatin Calcium223 claims
  2. Amlodipine Besylate114 claims
  3. Lisinopril97 claims
  4. Levothyroxine Sodium95 claims
  5. Metformin Hcl78 claims
  6. Omeprazole77 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: $44.75

3 payments, mostly food and beverage; the largest payer was Abbvie Inc.. The 91,435 providers of this specialty with any payment received $675.31 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Cynthia Armstrong$44.75
  2. Specialty average$675.31

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Texoma Community CenterSherman, TX

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

53 family nurse practitioner records list a Sherman practice address

They are 53 of the 1,350 NPPES records with a Sherman practice address, and 19,347 family nurse practitioner records in Texas.

Other family nurse practitioner records in Texas

  1. Ashley Aaron, FNPWaco, TX1053821504
  2. Christina Aaron, FNPTexarkana, TX1457787426
  3. Lori Aaron, FNP-CFrisco, TX1619387974
  4. Lauren Aase, FNPSheppard Afb, TX1578550299
  5. Olivia AbabioCypress, TX1588171995
  6. Lilian Abagwe, NPWylie, TX1396215620
  7. Vivian Abaidoo, NP-CHouston, TX1760071971
  8. Zuniley Aballe-Hernandez, FNP-CHouston, TX1952054066
  9. Jorge Abalo Redden, FNPKaty, TX1932991122
  10. Jude AbamArlington, TX1699337881

Common questions

What is Cynthia Armstrong, NP's NPI number?

Cynthia Armstrong, NP's National Provider Identifier (NPI) is 1841634722, issued on Apr 23, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Cynthia Armstrong, NP located?

The NPPES record lists a practice address at 315 W Mclain Dr, Sherman, TX, 75092. Phone: (903) 957-4701. Providers update this record themselves, so call before visiting.

How can I verify Cynthia Armstrong, NP's license?

NPPES lists Texas license number AP123487, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

How much does Cynthia Armstrong, NP prescribe under Medicare Part D?

In 2024, Cynthia Armstrong, NP had 1,722 Medicare Part D claims for 83 beneficiaries; the average among family nurse practitioner prescribers was 1,302. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.