Iona Elaine Chapman, M.D.
Dermatology Physician · Houston, TX
Iona Elaine Chapman, M.D. is a dermatology physician with a practice address in Houston, Texas, and NPI 1720320385, issued on Mar 21, 2013. Check the license (Texas R6760, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Iona Elaine Chapman
- Credential
- M.D.
- Primary taxonomy
- Dermatology Physician 207N00000X
- License numbers
- R6760 TX
125.063329 IL
Self-reported in NPPES; status is on the state search - Practice location
- 7575 San Felipe St Ste 300, Houston, TX 77063
- Phone
- (713) 952-8400
- Enumerated
- Mar 21, 2013
- Record last updated
- Aug 15, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (713) 952-9448
- Medicare enrollment
- Enrolled (PECOS I20231003003899); accepts Medicare assignment
- Medical or professional school
- University Of Texas Southwestern Medical School At Dallas, 2013
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 1,172 in Texas → Look up another NPI →
Also registered at 7575 San Felipe St Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Reena Jogi, MDDermatology Physician1538299862
- Tony Nguyen, M.D.Dermatology Physician1538425749
- Neda Nosrati, MDDermatology Physician1043470297
- Kayla Penny, MDDermatology Physician1982344867
- Caroline Vaughn, MDDermatology Physician1194352617
Verify Iona Elaine Chapman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license R6760Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average dermatology physician in 2024
137 Medicare Part D claims for 91 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D.
Most prescribed
- Triamcinolone Acetonide25 claims
- Ketoconazole17 claims
- Doxycycline Hyclate16 claims
- Clobetasol Propionate13 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): 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: $943.25
57 payments; by number, the most common kind was food and beverage; the largest payer was Incyte Corporation. 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
- Rio Grande Dermatology, PCAlbuquerque, NM
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Iona Elaine Chapman among 1,172 dermatology physician records in Texas
Iona Elaine Chapman, M.D. 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 2013, is newer than 64% of them.
- NPI issued2013 · 64% of these records are older, 32% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2013 · median 2008 among the 926 with a school on file
- Record last updated2018 · 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 Houston → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Ashley Baldree, MDHouston, TX 770631225667066
- Jeannette Greer-Brumbaugh, M.D.Houston, TX 770631255481693
- Reena Jogi, MDHouston, TX 770631538299862
- Tony Nguyen, M.D.Houston, TX 770631538425749
- Neda Nosrati, MDHouston, TX 770631043470297
- Kayla Penny, MDHouston, TX 770631982344867
- Caroline Vaughn, MDHouston, TX 770631194352617
- Solomon Brickman, M.D.Houston, TX 770651013973163
Common questions
What is Iona Elaine Chapman, M.D.'s NPI number?
Iona Elaine Chapman, M.D.'s National Provider Identifier (NPI) is 1720320385, issued on Mar 21, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Iona Elaine Chapman, M.D. located?
The NPPES record lists a practice address at 7575 San Felipe St Ste 300, Houston, TX, 77063. Phone: (713) 952-8400. Providers update this record themselves, so call before visiting.
How can I verify Iona Elaine Chapman, M.D.'s license?
NPPES lists Texas license number R6760, 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 Iona Elaine Chapman, M.D. prescribe under Medicare Part D?
In 2024, Iona Elaine Chapman, M.D. had 137 Medicare Part D claims for 91 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Iona Elaine Chapman, M.D.'s MIPS final 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), 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.