Registry data as of Aug 27, 2026

Vivian Adum, MD

Obstetrics & Gynecology Physician · Angleton, TX

Vivian Adum, MD is an obstetrics & gynecology physician with a practice address in Angleton, Texas, and NPI 1003252909, issued on May 17, 2013. Check the license (Texas R9328, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1003252909
Name
Vivian Adum
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
R9328 TX
Self-reported in NPPES; status is on the state search
Practice location
146 E Hospital Dr, Angleton, TX 77515
Phone
(979) 864-8415
Enumerated
May 17, 2013
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 146 E Hospital Dr

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

  1. Brittney Armstrong, APRN, FNP-BCFamily Nurse Practitioner1801546098
  2. Quynh Hoa Le, ODOptometrist1700040953
  3. Steve Lostracco, CRNAMedical-Surgical Registered Nurse1942236302
  4. Hou-Teh Lu, M.D.Pediatrics Physician1154373900
  5. Craig McDonald, M.D.Orthopaedic Surgery Physician1356393854
  6. Alan Rouse, CRNAMedical-Surgical Registered Nurse1487682217

Verify Vivian Adum in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license R9328
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

52% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

90 Medicare Part D claims for 37 beneficiaries, against an average of 188 among the 27,363 providers of this specialty who prescribed in Part D.

  1. Vivian Adum90
  2. Specialty average188

Most prescribed

  1. Estradiol27 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 Medicare quality score for 2023: 75 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 score73.8
  2. Costout of 100 · 30%47.8
  3. Promoting interoperabilityout of 100 · 25%94.0
  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: $28.94

2 payments, mostly food and beverage; the largest payer was Smith+Nephew, Inc.. The 20,757 providers of this specialty with any payment received $1,147.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Vivian Adum$28.94
  2. Specialty average$1,147.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Utmb Faculty Group PracticeAngleton, TX

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Obstetrics & Gynecology Physician providers in Texas

There are 3,466 obstetrics & gynecology physician records in Texas.

Other obstetrics & gynecology physician records in Texas

  1. Soroush Aalipourbirgani, MDHouston, TX1144859901
  2. Dennis Abbas, M.D.Dallas, TX1013928720
  3. Mina Abbassi-Ghanavati, MDDallas, TX1154509610
  4. Lillian Abbott, MDWebster, TX1114989316
  5. Jasmin Abdeldayem, MDHouston, TX1962086462
  6. Fathma Abdulkhader, MDGalveston, TX1578491866
  7. Elizabeth Abels, MDHouston, TX1417516881
  8. Shannon Abikhaled, MDAustin, TX1699762427
  9. Oluwatomilona Abiodun, MDAustin, TX1649857160
  10. Ahmed Abouseif, MBBCHHouston, TX1831722339

Common questions

What is Vivian Adum, MD's NPI number?

Vivian Adum, MD's National Provider Identifier (NPI) is 1003252909, issued on May 17, 2013. An NPI identifies a provider in billing; it is not a license.

Where is Vivian Adum, MD located?

The NPPES record lists a practice address at 146 E Hospital Dr, Angleton, TX, 77515. Phone: (979) 864-8415. Providers update this record themselves, so call before visiting.

How can I verify Vivian Adum, MD's license?

NPPES lists Texas license number R9328, 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 Vivian Adum, MD prescribe under Medicare Part D?

In 2024, Vivian Adum, MD had 90 Medicare Part D claims for 37 beneficiaries; the average among obstetrics & gynecology physician prescribers was 188. Part D covers Medicare prescriptions only.

What is Vivian Adum, MD's Medicare quality score?

The 2023 MIPS final score is 75 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), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.