Melissa Kainer Erwin, M.D.
NPI 1649288846 · Dermatology Physician · El Campo, TX
Enrolled with Medicare as Practitioner - Dermatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Kainer Erwin, M.D. is a Dermatology Physician provider in El Campo, TX (NPI 1649288846).
Provider details
- NPI number
- 1649288846
- Entity type
- Individual
- Primary specialty
- Dermatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- L7946 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
10,033 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Destruction of Precancer Skin Growth, 2-14 Growths17003 | 3,528 | $6 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,501 | $90 |
| Destruction of Precancer Skin Growth, 1 Growth17000 | 957 | $58 |
| Ultrasonic Guidance for Placement of Radiation Therapy FieldsG6001 | 733 | $175 |
| Obtaining Data Needed to Develop the Optimal Radiation Treatment, 1 Treatment Area77280 | 687 | $255 |
| Superficial And/Or Low Voltage Radiation Treatment Delivery77401 | 675 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 30 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Doxycycline Hyclate | 325 | 83 |
| Triamcinolone Acetonide | 306 | 182 |
| Clobetasol Propionate | 200 | 128 |
| Ketoconazole | 90 | 56 |
| Betamethasone Dipropionate | 84 | 51 |
| Valacyclovir Hclbrand: Valacyclovir | 75 | 42 |
| Minoxidil | 75 | 29 |
| Mupirocin | 48 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,091 across 74 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-03
- Last updated
- 2015-04-22
Frequently asked questions
- What is Melissa Kainer Erwin's NPI number?
- Melissa Kainer Erwin's National Provider Identifier (NPI) is 1649288846, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Kainer Erwin's specialty?
- Melissa Kainer Erwin is listed in the NPPES registry with a primary specialty of Dermatology Physician (Allopathic & Osteopathic Physicians).
- Where is Melissa Kainer Erwin located?
- Melissa Kainer Erwin's practice location on file with NPPES is 203 Sandy Corner Rd, El Campo, TX 77437-2379.
- What is Melissa Kainer Erwin's phone number?
- The practice phone number listed in the NPPES registry for Melissa Kainer Erwin is (979) 543-9933.
- Does Melissa Kainer Erwin accept Medicare?
- Melissa Kainer Erwin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Kainer Erwin's NPI active?
- Yes — Melissa Kainer Erwin's NPI (1649288846) is active in the NPPES registry as of the last update on 2015-04-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.