Sylvia J. McMahan, MSN, FNP-C
Family Nurse Practitioner · Corpus Christi, TX
Sylvia J. McMahan, MSN, FNP-C is a family nurse practitioner with a practice address in Corpus Christi, Texas, and NPI 1811481302, issued on Jun 18, 2018. Check the license (Texas AP137765, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sylvia J. McMahan
- Credential
- MSN, FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- AP137765 TX
Self-reported in NPPES; status is on the state search - Practice location
- 5833 Spohn Dr Ste 101B, Corpus Christi, TX 78414
- Phone
- (361) 993-2020
- Enumerated
- Jun 18, 2018
- Record last updated
- Jun 18, 2018 (not updated in 8 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 21,242 in Texas → Look up another NPI →
Verify Sylvia J. McMahan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Texas board licenses this profession
Search for license AP137765Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.6 times the Medicare Part D claims of the average family nurse practitioner in 2024
3,448 Medicare Part D claims for 262 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 25 claims were for opioids.
Most prescribed
- Atorvastatin Calcium208 claims
- Amlodipine Besylate182 claims
- Lisinopril175 claims
- Ozempic138 claims
- Levothyroxine Sodium131 claims
- Metformin Hcl128 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: $1,246.14
48 payments; by number, the most common kind was food and beverage; the largest payer was Novo Nordisk 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.
Sylvia J. McMahan among 21,242 family nurse practitioner records in Texas
Sylvia J. McMahan, MSN, 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 2018, is newer than 42% of them.
- NPI issued2018 · 42% of these records are older, 50% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 53% of these records are
- Record last updated2018 · 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).
408 family nurse practitioner records list a practice address in Corpus Christi
They are 408 of the 5,600 NPPES records with a practice address in Corpus Christi, and 21,242 family nurse practitioner records in Texas.
All 21,242 in Texas → Every provider in Corpus Christi → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Andrew Allbright, NP-CCorpus Christi, TX 784141487989976
- Patrick Ayarzagoitia, FNP-BCCorpus Christi, TX 784141649568239
- Maria Ayarzagoitia, NP-CCorpus Christi, TX 784141174936561
- Velma Borchard, FNPCorpus Christi, TX 784141578508990
- Brandi Copeland, NPCorpus Christi, TX 784141154754877
- Armando Delagarza, NPCorpus Christi, TX 784141861757775
- Cynthia Garcia, FNP-BCCorpus Christi, TX 784141184912800
- Karyn Mills, FNP-CCorpus Christi, TX 784141538305438
Common questions
What is Sylvia J. McMahan, MSN, FNP-C's NPI number?
Sylvia J. McMahan, MSN, FNP-C's National Provider Identifier (NPI) is 1811481302, issued on Jun 18, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Sylvia J. McMahan, MSN, FNP-C located?
The NPPES record lists a practice address at 5833 Spohn Dr Ste 101B, Corpus Christi, TX, 78414. Phone: (361) 993-2020. Providers update this record themselves, so call before visiting.
How can I verify Sylvia J. McMahan, MSN, FNP-C's license?
NPPES lists Texas license number AP137765, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.
How much does Sylvia J. McMahan, MSN, FNP-C prescribe under Medicare Part D?
In 2024, Sylvia J. McMahan, MSN, FNP-C had 3,448 Medicare Part D claims for 262 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.