NPPES file of Aug 9, 2026

Thomas Lambert, MD

Dermatology Physician · Tyler, TX

Thomas Lambert, MD is a dermatology physician with a practice address in Tyler, Texas, and NPI 1225252489, issued on Apr 12, 2007. Check the license (Texas N4537, 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
1225252489
Name
Thomas Lambert
Credential
MD
Primary taxonomy
Dermatology Physician 207N00000X
License number
N4537 TX
Self-reported in NPPES; status is on the state search
Practice location
5791 Copeland RD, Tyler, TX 75703
Phone
(903) 509-2020
Enumerated
Apr 12, 2007
Record last updated
Jan 17, 2017 (not updated in 9 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20100806000388); accepts Medicare assignment
Medical or professional school
Texas Tech University Health Science Center School 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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Also registered at 5791 Copeland RD

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dannise Beckley, M.D.Specialist1205837424

Verify Thomas Lambert in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license N4537
    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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2.2 times the Medicare Part D claims of the average dermatology physician in 2024

1,769 Medicare Part D claims for 704 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.

  1. Thomas Lambert1,769
  2. Specialty average797

Most prescribed

  1. Doxycycline Hyclate409 claims
  2. Gabapentin167 claims
  3. Triamcinolone Acetonide150 claims
  4. Hydrocortisone142 claims
  5. Clobetasol Propionate86 claims
  6. Fluorouracil84 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): 81.3 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 score81.1
  2. Costout of 100 · 30%75.0
  3. Promoting interoperabilityout of 100 · 25%78.0
  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: $98.89

6 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. Thomas Lambert$98.89
  2. Specialty average$8,544.61

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. Epiphany Dermatology PATyler, TX

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

Thomas Lambert among 1,172 dermatology physician records in Texas

Thomas Lambert, MD 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 updated2017 · 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. Lawrence Anderson, MDTyler, TX 757031134159627
  2. Alma Berlingeri Ramos, MDTyler, TX 757031083818884
  3. William Grabski, MDTyler, TX 757031780614271
  4. Bradley Graham, MDTyler, TX 757031083641062
  5. Jennifer Holman, MDTyler, TX 757031447354626
  6. Lindsey Hunter-Ellul, MDTyler, TX 757031255624474
  7. Leslie Markle, MDTyler, TX 757031225264443
  8. Martha McCollough, MDTyler, TX 757031972530954

Common questions

What is Thomas Lambert, MD's NPI number?

Thomas Lambert, MD's National Provider Identifier (NPI) is 1225252489, issued on Apr 12, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Lambert, MD located?

The NPPES record lists a practice address at 5791 Copeland RD, Tyler, TX, 75703. Phone: (903) 509-2020. Providers update this record themselves, so call before visiting.

How can I verify Thomas Lambert, MD's license?

NPPES lists Texas license number N4537, 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 Thomas Lambert, MD prescribe under Medicare Part D?

In 2024, Thomas Lambert, MD had 1,769 Medicare Part D claims for 704 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.

What is Thomas Lambert, MD's MIPS final score?

The 2023 MIPS final score is 81.3 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.