Melissa Kainer Erwin, M.D.
Dermatology Physician · El Campo, TX
Melissa Kainer Erwin, M.D. is a dermatology physician with a practice address in El Campo, Texas, and NPI 1649288846, issued on Aug 3, 2006. Check the license (Texas L7946, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Melissa Kainer Erwin
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- L7946 TX
Self-reported in NPPES; status is on the state search - Practice location
- 203 Sandy Corner RD, El Campo, TX 77437
- Phone
- (979) 543-9933
- Enumerated
- Aug 3, 2006
- Entity
- Type 1 · individual
Also registered at 203 Sandy Corner RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lindsey Crolley, PA-CMedical Physician Assistant1518419399
- Karissa Priesmeyer, APRN-CNPNurse Practitioner1740906346
Verify Melissa Kainer Erwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L7946Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.3 times the Medicare Part D claims of the average dermatology physician in 2024
1,863 Medicare Part D claims for 691 beneficiaries, against an average of 799 among the 11,754 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Doxycycline Hyclate325 claims
- Triamcinolone Acetonide306 claims
- Clobetasol Propionate200 claims
- Ketoconazole90 claims
- Betamethasone Dipropionate84 claims
- Minoxidil75 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 Medicare quality score for 2023: 100 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: $1,091.34
74 payments, mostly food and beverage; the largest payer was Abbvie Inc.. The 9,431 providers of this specialty with any payment received $8,593.06 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.
One hospital or facility affiliation
- Melissa A Kainer Erwin MD PAEl Campo, 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.
3 dermatology physician records list a El Campo practice address
They are 3 of the 126 NPPES records with a El Campo practice address, and 1,073 dermatology physician records in Texas.
All 3 in El Campo → All 1,073 in Texas → Every provider in El Campo →
Other dermatology physician records in Texas
- Jordan Abbott, MDPflugerville, TX1881198588
- Angela Abouassi, MDEl Campo, TX1083109532
- Amir Aboutalebi, M.D.North Richland Hills, TX1437470382
- Sina Aboutalebi, M.D.Abilene, TX1932391232
- William Abramovits, M.D.Dallas, TX1154379188
- Daniel Achtman, M.D.Plano, TX1255389102
- Jordan Achtman, MDPlano, TX1457705295
- Karen Adams, PA-CSan Antonio, TX1417270315
- Eric Adelman, D.O.Georgetown, TX1194766444
- Samuel Adelman, M.D.San Antonio, TX1578562872
Common questions
What is Melissa Kainer Erwin, M.D.'s NPI number?
Melissa Kainer Erwin, M.D.'s National Provider Identifier (NPI) is 1649288846, issued on Aug 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Melissa Kainer Erwin, M.D. located?
The NPPES record lists a practice address at 203 Sandy Corner RD, El Campo, TX, 77437. Phone: (979) 543-9933. Providers update this record themselves, so call before visiting.
How can I verify Melissa Kainer Erwin, M.D.'s license?
NPPES lists Texas license number L7946, 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 Melissa Kainer Erwin, M.D. prescribe under Medicare Part D?
In 2024, Melissa Kainer Erwin, M.D. had 1,863 Medicare Part D claims for 691 beneficiaries; the average among dermatology physician prescribers was 799. Part D covers Medicare prescriptions only.
What is Melissa Kainer Erwin, M.D.'s Medicare quality score?
The 2023 MIPS final score is 100 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), 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.