Margaret Hubbell, MD, PHD
Cornea and External Diseases Specialist Physician · Texarkana, TX
Margaret Hubbell, MD, PHD is a cornea and external diseases specialist physician with a practice address in Texarkana, Texas, and NPI 1821452681, issued on Apr 7, 2016. Check the license (Texas U5986, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Margaret Hubbell
- Credential
- MD, PHD
- Primary taxonomy
- Cornea and External Diseases Specialist Physician 207WX0120X
- License numbers
- U5986 TX
1699812719 OR
Self-reported in NPPES; status is on the state search - Practice location
- 5402 Summerhill RD, Texarkana, TX 75503
- Phone
- (903) 614-3937
- Enumerated
- Apr 7, 2016
- Record last updated
- Aug 14, 2023
- Fax
- (903) 614-3525
- Entity
- Type 1 · individual
8 nearest cornea and external diseases specialist physician records → All 33 in Texas → Look up another NPI →
Also registered at 5402 Summerhill RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Eugene Ellison, MDOphthalmology Physician1356341754
- Charles Thornton, M.D.Ophthalmology Physician1245237171
Verify Margaret Hubbell in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license U5986Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
9% fewer Medicare Part D claims than the average cornea and external diseases specialist physician in 2024
1,151 Medicare Part D claims for 241 beneficiaries, against an average of 1,263 among the 330 providers of this specialty who prescribed in Part D. Brand-name drugs were 31% of claims.
Most prescribed
- Latanoprost500 claims
- Dorzolamide-Timolol129 claims
- Brimonidine Tartrate114 claims
- Timolol Maleate79 claims
- Prednisolone Acetate56 claims
- Travoprost42 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): 81.9 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: $967.94
38 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 284 providers of this specialty with any payment received $3,109.37 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.
Margaret Hubbell among 33 cornea and external diseases specialist physician records in Texas
Margaret Hubbell, MD, PHD is one of 33 cornea and external diseases specialist physician records with a practice address in Texas. 100% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 58% of them.
- NPI issued2016 · 58% of these records are older, 36% newer
- In a Medicare fileYes · 100% of these records are
- In the CMS Doctors and Clinicians fileNo · 79% of these records are
- Record last updated2023 · 30% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0120X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cornea and External Diseases Specialist Physician providers in Texas
There are 33 cornea and external diseases specialist physician records in Texas.
All 33 in Texas → Every provider in Texarkana → Cornea and External Diseases Specialist Physician nationwide →
The 8 cornea and external diseases specialist physician records with the nearest ZIP codes
- Jeremy Bartley, MDDallas, TX 753901467742270
- Robert Bowman, MDDallas, TX 753901043276959
- Nhon Le, MDDallas, TX 753901780146548
- James McCulley, MDDallas, TX 753901740249887
- Venkateswara Mootha, MDDallas, TX 753901952370413
- Steven Verity, MDDallas, TX 753901306805445
- William Waldrop, M.D.Dallas, TX 753901891139929
- Margaret Wang French, MDDallas, TX 753901841789005
Common questions
What is Margaret Hubbell, MD, PHD's NPI number?
Margaret Hubbell, MD, PHD's National Provider Identifier (NPI) is 1821452681, issued on Apr 7, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Hubbell, MD, PHD located?
The NPPES record lists a practice address at 5402 Summerhill RD, Texarkana, TX, 75503. Phone: (903) 614-3937. Providers update this record themselves, so call before visiting.
How can I verify Margaret Hubbell, MD, PHD's license?
NPPES lists Texas license number U5986, 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 Hubbell, MD, PHD prescribe under Medicare Part D?
In 2024, Margaret Hubbell, MD, PHD had 1,151 Medicare Part D claims for 241 beneficiaries; the average among cornea and external diseases specialist physician prescribers was 1,263. Part D covers Medicare prescriptions only.
What is Margaret Hubbell, MD, PHD's MIPS final score?
The 2023 MIPS final score is 81.9 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.