Margaret Katherine Hart, MD
Dermatology Physician · Austin, TX
Margaret Katherine Hart, MD is a dermatology physician with a practice address in Austin, Texas, and NPI 1922047133, issued on Jun 5, 2006. Check the license (Texas L6934, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Margaret Katherine Hart
- Credential
- MD
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- L6934 TX
Self-reported in NPPES; status is on the state search - Practice location
- 3807 Spicewood Springs RD, Austin, TX 78759
- Phone
- (512) 476-9195
- Enumerated
- Jun 5, 2006
- Record last updated
- Aug 4, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (512) 476-2857
- Medicare enrollment
- Enrolled (PECOS I20120305000102); accepts Medicare assignment
- Medical or professional school
- University Of Texas Medical School At San Antonio, 1999
- Entity
- Type 1 · individual
Also registered at 3807 Spicewood Springs RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Fox, MDDermatology Physician1427097724
- Rachel Miller, PACPhysician Assistant1013956291
- Hector Morales, MDVascular Surgery Physician1942232053
- Tom Roark, M.D.Dermatology Physician1407895709
- Dale Schaefer, MDDermatology Physician1407895253
Verify Margaret Katherine Hart in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L6934Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
19% fewer Medicare Part D claims than the average dermatology physician in 2024
643 Medicare Part D claims for 284 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims.
Most prescribed
- Clobetasol Propionate89 claims
- Minoxidil87 claims
- Triamcinolone Acetonide73 claims
- Hydrocortisone44 claims
- Mupirocin40 claims
- Betamethasone Dipropionate32 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 MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,967.50
106 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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
- Oliver Street 5.01(A) IncAustin, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dermatology Physician providers in Texas
There are 1,172 dermatology physician records in Texas.
Other dermatology physician records in Texas
- Jordan Abbott, MDPflugerville, TX1881198588
- Angela Abouassi, MDEl Campo, TX1083109532
- Sina Aboutalebi, M.D.Abilene, TX1932391232
- William Abramovits, M.D.Dallas, TX1154379188
- Daniel Achtman, M.D.Plano, TX1255389102
- Jordan Achtman, MDPlano, TX1457705295
- Samuel Adelman, M.D.San Antonio, TX1578562872
- Alissa Adler, MDHouston, TX1710516497
- Max Adler, MDDallas, TX1801835434
- Kent Aftergut, MDCedar Hill, TX1922091016
Common questions
What is Margaret Katherine Hart, MD's NPI number?
Margaret Katherine Hart, MD's National Provider Identifier (NPI) is 1922047133, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Katherine Hart, MD located?
The NPPES record lists a practice address at 3807 Spicewood Springs RD, Austin, TX, 78759. Phone: (512) 476-9195. Providers update this record themselves, so call before visiting.
How can I verify Margaret Katherine Hart, MD's license?
NPPES lists Texas license number L6934, 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 Margaret Katherine Hart, MD prescribe under Medicare Part D?
In 2024, Margaret Katherine Hart, MD had 643 Medicare Part D claims for 284 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Margaret Katherine Hart, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100. 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.