NPPES file of Aug 9, 2026

Donald Alexander Glass, M.D., PH,D,

Dermatology Physician · Prosper, TX

Donald Alexander Glass, M.D., PH,D, is a dermatology physician with a practice address in Prosper, Texas, and NPI 1508052036, issued on Sep 18, 2007. Check the license (Texas N9211, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1508052036
Name
Donald Alexander Glass
Credential
M.D., PH,D,
Primary taxonomy
Dermatology Physician 207N00000X
License numbers
N9211 TX
MD438676 PA
Self-reported in NPPES; status is on the state search
Practice location
170 S Preston RD Ste 10, Prosper, TX 75078
Phone
(972) 430-8816
Enumerated
Sep 18, 2007
Record last updated
Mar 17, 2026
Fax
(972) 430-8818
Medicare enrollment
Enrolled (PECOS I20110819000390); accepts Medicare assignment
Medical or professional school
Baylor College Of Medicine, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Donald Alexander Glass in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license N9211
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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25% fewer Medicare Part D claims than the average dermatology physician in 2024

594 Medicare Part D claims for 189 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 3% of claims.

  1. Donald Glass594
  2. Specialty average797

Most prescribed

  1. Clobetasol Propionate122 claims
  2. Pentoxifylline48 claims
  3. Mupirocin47 claims
  4. Doxycycline Hyclate43 claims
  5. Triamcinolone Acetonide43 claims
  6. Ketoconazole32 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): 74.6 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.

  1. Qualityout of 100 · 30% of the final score56.1
  2. Costout of 100 · 30%59.2
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $330,071.45

2 payments; by number, the most common kind was food and beverage; the largest payer was Genzyme 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.

  1. Donald Glass$330,071
  2. Specialty average$8,545

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

  1. University OF Texas Southwestern Medical Center AT DallasFrisco, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Donald Alexander Glass among 1,172 dermatology physician records in Texas

Donald Alexander Glass, M.D., PH,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 2007, is newer than 37% of them.

  • NPI issued2007 · 37% of these records are older, 53% newer
  • In a Medicare fileYes · 88% of these records are
  • In the CMS Doctors and Clinicians fileYes · 79% of these records are
  • Graduated2006 · median 2008 among the 926 with a school on file
  • Record last updated2026 · 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.

The 8 dermatology physician records with the nearest ZIP codes

  1. Susanne Lockhart, MDProsper, TX 750781497857585
  2. Christie Matter, MDProsper, TX 750781598745465
  3. Kyle Owens, M.D.Prosper, TX 750781497286322
  4. Sara Chapman, MDRichardson, TX 750801891801106
  5. Angie Koriakos, DORichardson, TX 750801396060794
  6. Kelsie Riemenschneider, MDRichardson, TX 750801508397837
  7. Robert Terrill, M.D.Plano, TX 750751902892367
  8. Carole Aponte, MDRichardson, TX 750821053374033

Common questions

What is Donald Alexander Glass, M.D., PH,D,'s NPI number?

Donald Alexander Glass, M.D., PH,D,'s National Provider Identifier (NPI) is 1508052036, issued on Sep 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Donald Alexander Glass, M.D., PH,D, located?

The NPPES record lists a practice address at 170 S Preston RD Ste 10, Prosper, TX, 75078. Phone: (972) 430-8816. Providers update this record themselves, so call before visiting.

How can I verify Donald Alexander Glass, M.D., PH,D,'s license?

NPPES lists Texas license number N9211, 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 Donald Alexander Glass, M.D., PH,D, prescribe under Medicare Part D?

In 2024, Donald Alexander Glass, M.D., PH,D, had 594 Medicare Part D claims for 189 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is Donald Alexander Glass, M.D., PH,D,'s MIPS final score?

The 2023 MIPS final score is 74.6 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.