IONA ELAINE CHAPMAN, M.D. — NPI 1720320385 (Board-Certified Dermatologist (Skin, Hair & Nail Medical/Surgical Specialist) in HOUSTON, TX)

CMS-1500 Box 24J / 33a • NPI

1720320385

Type 1 Individual Rendering/Ordering

HIPAA NUCC Taxonomy • CMS Code

207N00000X (CMS 07)

Board-Certified Dermatologist (Skin, Hair & Nail Medical/Surgical Specialist)

Box 32 Service Location & ZIP+4

7575 SAN FELIPE ST STE 300, HOUSTON, TX, 77063

Official NPPES Practice Location

Practice Phone & Referral Fax

(713) 952-8400

Fax: (713) 952-9448

✓ HHS OIG LEIE Sanction Screening — VERIFIED CLEAR: NPI 1720320385 (IONA ELAINE CHAPMAN, M.D.) has 0 active federal exclusions across all 84,224 HHS OIG LEIE sanction records (Database Verified: 2026-11-11).

CMS Medicare Order & Referring PECOS Eligibility

This practitioner does not currently appear in the CMS individual Order & Referring PECOS file (may practice in pediatrics, commercial-only networks, or hospital-employed settings).

Official CMS NPPES Credential & Practice Profile

10-Digit NPI Number	`1720320385` (NPI-1 Individual Practitioner)
Provider / Legal Name	IONA ELAINE CHAPMAN, M.D.
Plain-English Specialty	Board-Certified Dermatologist (Skin, Hair & Nail Medical/Surgical Specialist) NUCC Code: `207N00000X` (Dermatology)
Certifying / Licensing Body	American Board of Dermatology (ABD)
Practice Location Address	7575 SAN FELIPE ST STE 300, HOUSTON, TX, 77063
Practice Telephone / Fax	Tel: (713) 952-8400 \| Fax: (713) 952-9448
Administrative Mailing Address	7575 SAN FELIPE ST STE 300, HOUSTON, TX, 77063-1780
Enumeration & Last Sync	Enumerated: 2013-03-21 \| CMS Record Updated: 2018-08-15

Clinic Location, Accessibility & Directions

📍 Practice Location & Patient Access

7575 SAN FELIPE ST STE 300, HOUSTON, TX, 77063

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Plain-English Taxonomy & CMS Crosswalk (207N00000X)

What Does Taxonomy Code 207N00000X Mean?

In the HIPAA National Uniform Claim Committee (NUCC) classification, code 207N00000X translates to:
"Board-Certified Dermatologist (Skin, Hair & Nail Medical/Surgical Specialist)"

CMS-1500 Medicare Specialty Crosswalk: CMS Code 07 (Physician/Dermatology)
Certifying / Accrediting Authority: American Board of Dermatology (ABD)
Clinical Scope: Changing moles, skin rashes, severe acne, eczema, psoriasis, fungal infections, hair loss, or skin cancer checks.

Specialty Clinical Procedures & Therapeutic Classes

Standard Scope of Care (IONA ELAINE CHAPMAN, M.D.)

Typical CPT / Diagnostic Procedures:

Full-Body Dermoscopy & Skin Cancer Screening
Shave, Punch & Excisional Skin Biopsy (CPT 11102–11107)
Cryotherapy Destruction of Actinic Keratoses & Viral Warts (CPT 17000)

Common Therapeutic Classes:

Topical Corticosteroids (Triamcinolone, Clobetasol) & Calcineurin Inhibitors
Topical & Oral Retinoids (Tretinoin, Adapalene, Isotretinoin)
Doxycycline, Minocycline & Antifungals (Terbinafine, Ketoconazole)

All Registered NUCC Taxonomies & State Licenses

Taxonomy Code & Plain-English Description	State License & Primary Status
`207N00000X` — Dermatology Plain English: Board-Certified Dermatologist (Skin, Hair & Nail Medical/Surgical Specialist)	State: TX \| License: `R6760` \| Primary: Yes (Primary)
`207R00000X` — Internal Medicine Plain English: Board-Certified Internist (Adult Diagnostic & Chronic Disease Physician)	State: IL \| License: `125.063329` \| Primary: Secondary

Medical Billing, RCM & Hospital Credentialing Teams:

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IONA ELAINE CHAPMAN, M.D. (NPI #1720320385)