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Dermatology

Vivian W. Bucay, MD

Sees patients in San Antonio, TX · Texas

Summary

Dr. Vivian W. Bucay, MD is a dermatologist at 18707 Hardy Oak Blvd, Suite 101, San Antonio, TX 78258. Phone: (210) 370-9995. Accepts Medicare assignment. In 2024, Vivian W. Bucay had 38 Original Medicare patients and 153 services. NPI 1821079930. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Dermatologist (Medicare lists Dermatology)
  • Address: 18707 Hardy Oak Blvd, Suite 101, San Antonio, TX 78258 · Directions (1 more location)
  • Phone: (210) 370‑9995
  • Medicare: Accepts Medicare assignment
  • Group practice: Vivian W Bucay MD PLLC
  • Medical school: Baylor College Of Medicine · graduated 1987 (39 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Vivian W. Bucay, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Vivian W. Bucay accept Medicare assignment?
Yes. Medicare's clinician data says Vivian W. Bucay accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Vivian W. Bucay see?
In 2024, CMS data shows 38 Original Medicare patients and 153 services for Vivian W. Bucay. This counts Original Medicare only and measures volume, not quality.
What is Vivian W. Bucay's NPI number?
1821079930. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Vivian W. Bucay, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients38
Services billed to Medicare153
Different services or procedures22
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)42 services
  2. Destruction of precancer skin growth, 1 growth (17000)19 services
  3. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)18 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure50%
  • Arthritis42%

Practice locations

Addresses where Vivian W. Bucay is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Vivian W. Bucay as a member of this group (CMS data updated October 2, 2026).

  • Vivian W Bucay MD PLLC4 clinicians in the group

Specialties

Find other Dermatology doctors in Texas →

Other dermatologists in San Antonio

Clinicians with the same Medicare primary specialty in San Antonio, TX — not a recommendation.

All dermatologists in San Antonio →

Other clinicians in Vivian W Bucay MD PLLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolBaylor College Of Medicine
Graduation year1987 (39 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1821079930
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians