Cynthia S. Armstrong, NP
Family Nurse Practitioner · Sherman, TX
Cynthia S. 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.
- Name
- Cynthia S. 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
- Record last updated
- Mar 19, 2026
- Fax
- (903) 957-3416
- Medicaid ID
- 323122705 TX
- Medicare enrollment
- Enrolled (PECOS I20130618000409); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 21,242 in Texas → Look up another NPI →
Also registered at 315 W Mclain Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Amberlee Conley, LPCProfessional Counselor1134993066
Verify Cynthia S. Armstrong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license AP123487Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium223 claims
- Amlodipine Besylate114 claims
- Lisinopril97 claims
- Levothyroxine Sodium95 claims
- Metformin Hcl78 claims
- 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; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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
- Texoma Community CenterSherman, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Cynthia S. Armstrong among 21,242 family nurse practitioner records in Texas
Cynthia S. Armstrong, NP 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 2013, is newer than 19% of them.
- NPI issued2013 · 19% of these records are older, 78% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2010 · median 2018 among the 11,286 with a school on file
- Record last updated2026 · 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).
56 family nurse practitioner records list a practice address in Sherman
They are 56 of the 1,350 NPPES records with a practice address in Sherman, and 21,242 family nurse practitioner records in Texas.
All 21,242 in Texas → Every provider in Sherman → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Melody Barker, FNP-CSherman, TX 750921942591250
- Laurel Barnet, MS RN FNPSherman, TX 750921427229970
- Nancy Davis, FNPSherman, TX 750921740396712
- Stacy Goodin, FNPSherman, TX 750921114372646
- Diane Keahey, DNP APRN FNP-BCSherman, TX 750921912013988
- Patricia Martinez-Morales, MS, RN, FNPSherman, TX 750921366886996
- Ngozika NjokuSherman, TX 750921427280692
- David Peterson, FNPSherman, TX 750921902912975
Common questions
What is Cynthia S. Armstrong, NP's NPI number?
Cynthia S. 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 S. 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 S. 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 S. Armstrong, NP prescribe under Medicare Part D?
In 2024, Cynthia S. Armstrong, NP had 1,722 Medicare Part D claims for 83 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.