DR. VIVIAN W. BUCAY M.D.
NPI 1821079930
Specialist in San Antonio, TX

Q: What is Vivian Bucay's NPI number?

The NPI number for Vivian Bucay is 1821079930. It was assigned to this individual provider in the NPPES registry on November 7, 2005.

Q: What is Vivian Bucay's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Q: When was this NPI record last updated?

The NPPES record for Vivian Bucay was last updated on August 23, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since November 07, 2005PECOS EnrolledAccepts Medicare Assignment

326 W CRAIG PL, SAN ANTONIO, TX 78212(210) 692-3000(210) 692-3056 Get Directions Write a Review

NPPES record last updated: August 23, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Vivian W. Bucay M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. VIVIAN W. BUCAY M.D. (NPI 1821079930) is an individual specialist in San Antonio, Texas, licensed in Texas (H3955) and active in the NPI registry since November 2005. She is enrolled in Medicare PECOS and is a graduate of Baylor College Of Medicine (1987).

NPPES Registry Identity

NPI1821079930

Entity TypeIndividualFemale

Primary Taxonomy174400000X

Provider Legal NameDR. VIVIAN W. BUCAYCredential: M.D.

Location Address326 W CRAIG PLSan Antonio, TX 78212-3307

Mailing Address326 W Craig PlSan Antonio, TX 78212-3307 · (210) 692-3000 · Fax (210) 692-3056

Phone(210) 692-3000

Fax(210) 692-3056

Sole ProprietorNo

Medical School CMSBaylor College Of MedicineGraduated 1987

Enumeration DateNovember 7, 2005

Last NPPES UpdateAugust 23, 2023

NPPES CertifiedAugust 23, 2023

✔ NPI 1821079930 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers

Taxonomy Code174400000X

License✔ Licensed in TX · H3955

Definition

An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

326 W CRAIG PL, San Antonio, TX 78212

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Vivian W. Bucay M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9931198736

PECOS Enrollment IDI20040507000665

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Vivian Bucay reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Vivian W Bucay MD PLLC

Same address

Dermatology

326 W CRAIG PL
San Antonio, TX 78212

Reassigned Medicare billing, Texas enrollment
4 clinicians in this Medicare group

NPI 1285884759 (210) 692-3000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

42 services29 patients

Destruction of precancer skin growth, 1 growth 17000

"Destruction of precancer skin growth" is a procedure that eliminates a single precancerous skin growth. This is done to prevent it from developing into skin cancer. The growth may be removed using various methods such as cryotherapy (freezing), laser therapy, or topical medications.

19 services15 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

18 services14 patients

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

VIVIAN W BUCAY MD PLLC

Dermatology

326 W CRAIG PL
SAN ANTONIO, TX 78212

Bexar County (210) 692-3000

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Vivian Bucay's NPI number?

The NPI number for Vivian Bucay is 1821079930. It was assigned to this individual provider in the NPPES registry on November 7, 2005.

Where is Vivian Bucay located?

Vivian Bucay practices at 326 W Craig Pl, San Antonio, TX 78212. The listed phone number is (210) 692-3000.

What is Vivian Bucay's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Vivian Bucay enrolled in Medicare?

Yes. Vivian Bucay is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Vivian Bucay's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Vivian Bucay reassigns Medicare benefits to Vivian W Bucay MD PLLC (San Antonio, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Vivian Bucay's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Vivian Bucay accept?

Health plans from UnitedHealthcare list Vivian Bucay as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Vivian Bucay was last updated on August 23, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.