CHIRAG A BUCH MD
NPI 1972122950
Hospitalist in San Antonio, TX

Q: What is Chirag Buch's NPI number?

The NPI number for Chirag Buch is 1972122950. It was assigned to this individual provider in the NPPES registry on April 10, 2020.

Q: What is Chirag Buch's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Q: When was this NPI record last updated?

The NPPES record for Chirag Buch was last updated on February 6, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months 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 April 10, 2020PECOS EnrolledAccepts Medicare Assignment

4502 MEDICAL DR, SAN ANTONIO, TX 78229(210) 454-4039 Get Directions Write a Review

NPPES record last updated: February 6, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 6, 2025, Apr 10, 2020 (2 updates tracked since 2020).

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About Chirag A Buch Md NPPES

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

CHIRAG A BUCH MD (NPI 1972122950) is an individual hospitalist provider in San Antonio, Texas, licensed in Texas (T7502) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS and is a graduate of Other (2020).

NPPES Registry Identity

NPI1972122950

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameCHIRAG A BUCHCredential: MD

Location Address4502 MEDICAL DRSan Antonio, TX 78229-4402

Mailing Address4502 Medical DrSan Antonio, TX 78229-4402 · (210) 358-4000

Phone(210) 454-4039

Sole ProprietorNo

Medical School CMSOtherGraduated 2020

Enumeration DateApril 10, 2020

Last NPPES UpdateFebruary 6, 20252 updates tracked since enumeration

NPPES CertifiedFebruary 6, 2025

✔ NPI 1972122950 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in TX · T7502

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedInternal MedicineTaxonomy 207R00000X · License T7502 (TX)

4502 MEDICAL DR, San Antonio, TX 78229

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Community First, Imperial Insurance Companies, Inc..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

Chirag A Buch Md 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 ID345776654

PECOS Enrollment IDI20241210004046

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 Chirag Buch reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Uthscsa Dental School

0.2 mi

Oral and Maxillofacial Surgery

7703 FLOYD CURL DR
San Antonio, TX 78229

Reassigned Medicare billing, Texas enrollment
Medicare enrollment name: University Of Texas Health Science Center At San Antonio
2,397 clinicians in this Medicare group

NPI 1750403887 (210) 567-3274

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78229 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

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

EDUARDO N. POLLONO MD

Internal Medicine (Cardiovascular Disease)