Madalyn Elaine Guelker, PA-C
Dermatology Physician · Corpus Christi, TX
Madalyn Elaine Guelker, PA-C is a dermatology physician with a practice address in Corpus Christi, Texas, and NPI 1225781925, issued on Feb 2, 2022. Check the license (Texas PA13805, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Madalyn Elaine Guelker
- Credential
- PA-C
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- PA13805 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4141 S Staples St Ste 300, Corpus Christi, TX 78411
- Phone
- (361) 882-5560
- Enumerated
- Feb 2, 2022
- Record last updated
- Feb 2, 2022
- Fax
- (361) 882-6011
- Medicare enrollment
- Enrolled (PECOS I20220311001656); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 2019
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 1,172 in Texas → Look up another NPI →
Also registered at 4141 S Staples St Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mallory Heath, PA-CSurgical Physician Assistant1215225909
- Alexa SalazarPhysician Assistant1477285666
- Nishan Thapa, PA-CSurgical Physician Assistant1043795016
Verify Madalyn Elaine Guelker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license PA13805Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.1 times the Medicare Part D claims of the average dermatology physician in 2024
1,710 Medicare Part D claims for 534 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Clobetasol Propionate262 claims
- Ketoconazole253 claims
- Triamcinolone Acetonide154 claims
- Hydrocortisone138 claims
- Doxycycline Hyclate136 claims
- Dupixent Pen89 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 67.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,055.91
46 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 10,250 providers of this specialty with any payment received $8,544.61 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
- South Texas Dermatology PLLCCorpus Christi, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Madalyn Elaine Guelker among 1,172 dermatology physician records in Texas
Madalyn Elaine Guelker, PA-C is one of 1,172 dermatology physician records with a practice address in Texas. 88% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 96% of them.
- NPI issued2022 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2019 · median 2008 among the 926 with a school on file
- Record last updated2022 · 48% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in Texas
There are 1,172 dermatology physician records in Texas.
All 1,172 in Texas → Every provider in Corpus Christi → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Nathan Davis, MDCorpus Christi, TX 784111841443231
- Richard Devillez, M.D.Corpus Christi, TX 784111720078660
- Dasha Reynolds, LMT,LETCorpus Christi, TX 784101285512483
- Carmen Casas, M. D.Corpus Christi, TX 784131063400836
- Mary Cole-Perez, M.D.Corpus Christi, TX 784141750564480
- Charmaine Browne, M.D.McAllen, TX 785011992786339
- Richard Newton, M.D.McAllen, TX 785011740395490
- Saba Suleman, MPHMcAllen, TX 785011790429330
Common questions
What is Madalyn Elaine Guelker, PA-C's NPI number?
Madalyn Elaine Guelker, PA-C's National Provider Identifier (NPI) is 1225781925, issued on Feb 2, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Madalyn Elaine Guelker, PA-C located?
The NPPES record lists a practice address at 4141 S Staples St Ste 300, Corpus Christi, TX, 78411. Phone: (361) 882-5560. Providers update this record themselves, so call before visiting.
How can I verify Madalyn Elaine Guelker, PA-C's license?
NPPES lists Texas license number PA13805, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Madalyn Elaine Guelker, PA-C prescribe under Medicare Part D?
In 2024, Madalyn Elaine Guelker, PA-C had 1,710 Medicare Part D claims for 534 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Madalyn Elaine Guelker, PA-C's MIPS final score?
The 2023 MIPS final score is 67.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.