MELISSA A KAINER ERWIN, M.D., P.A.
NPI 1669631081
Specialist in El Campo, TX

Q: What is Melissa A Kainer Erwin, M.D., P.A.'s NPI number?

The NPI number for Melissa A Kainer Erwin, M.D., P.A. is 1669631081. It was assigned to this organization in the NPPES registry on June 2, 2008.

Q: What is Melissa A Kainer Erwin, M.D., P.A.'s specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Active since June 02, 2008

203 SANDY CORNER RD, EL CAMPO, TX 77437(979) 543-9933(979) 543-9959 Get Directions Write a Review

NPPES record last updated: January 19, 2015. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Melissa A Kainer Erwin, M.d., P.a. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MELISSA A KAINER ERWIN, M.D., P.A. (NPI 1669631081) is a healthcare organization registered as a specialist in El Campo, Texas and active in the NPI registry since June 2008. The organization lists Melissa Ann Kainer Erwin, President, as its authorized official.

NPPES Registry Identity

NPI1669631081

Entity TypeOrganization

Primary Taxonomy174400000X

Legal Business NameMELISSA A KAINER ERWIN, M.D., P.A.

Location Address203 SANDY CORNER RDEl Campo, TX 77437-2379

Mailing Address203 Sandy Corner RdEl Campo, TX 77437-2379 · (979) 543-9933 · Fax (979) 543-9959

Phone(979) 543-9933

Fax(979) 543-9959

Organization SubpartNo

Authorized OfficialMelissa Ann Kainer ErwinPresident · (979) 543-9933

Enumeration DateJune 2, 2008

Last NPPES UpdateJanuary 19, 2015

✔ NPI 1669631081 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in TX · L7946

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

203 SANDY CORNER RD, El Campo, TX 77437

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Melissa A Kainer Erwin, M.d., P.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 2 clinicians reassign Medicare billing to Melissa A Kainer Erwin, M.D., P.A., which bills Medicare for the services they deliver. Of these, 1 practice at this address and 2 within 10 miles. They are listed nearest first.

Clinicians, nearest first (2)

Melissa Kainer Erwin, M.D.

Dermatology

NPI 1649288846

203 SANDY CORNER RD
El Campo, TX 77437

(979) 543-9933

✔ PECOS✔ Accepts MedicareSame address

Karissa Priesmeyer, APRN-CNP

Nurse Practitioner

NPI 1740906346

203 SANDY CORNER RD
El Campo, TX 77437

(979) 543-9933

✔ PECOS✔ Accepts Medicare0.2 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Melissa A Kainer Erwin, M.D., P.A.'s NPI number?

The NPI number for Melissa A Kainer Erwin, M.D., P.A. is 1669631081. It was assigned to this organization in the NPPES registry on June 2, 2008.

Where is Melissa A Kainer Erwin, M.D., P.A. located?

Melissa A Kainer Erwin, M.D., P.A. is located at 203 Sandy Corner Rd, El Campo, TX 77437. The listed phone number is (979) 543-9933.

What is Melissa A Kainer Erwin, M.D., P.A.'s specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Melissa A Kainer Erwin, M.D., P.A. enrolled in Medicare?

Yes. Melissa A Kainer Erwin, M.D., P.A. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Melissa A Kainer Erwin, M.D., P.A.?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Melissa A Kainer Erwin, M.D., P.A., in Dermatology and Nurse Practitioner. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 1 practice at this address and 2 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Melissa A Kainer Erwin, M.D., P.A. was last updated on January 19, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.