John Kupferschmid, M.D.
NPI 1861459729 · Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Thoracic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Kupferschmid, M.D. is a Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician provider in San Antonio, TX (NPI 1861459729).
Provider details
- NPI number
- 1861459729
- Entity type
- Individual
- Primary specialty
- Thoracic Surgery (Cardiothoracic Vascular Surgery) PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- K9322 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$819 across 9 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 4410 Medical DrSuite 540San Antonio, TX 78229-6306Phone: (210) 575-6240Fax: (210) 575-6280
Registry dates
- Enumerated
- 2006-04-26
- Last updated
- 2024-07-08
- Certified
- 2024-07-08
Frequently asked questions
- What is John Kupferschmid's NPI number?
- John Kupferschmid's National Provider Identifier (NPI) is 1861459729, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Kupferschmid's specialty?
- John Kupferschmid is listed in the NPPES registry with a primary specialty of Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician (Allopathic & Osteopathic Physicians).
- Where is John Kupferschmid located?
- John Kupferschmid's practice location on file with NPPES is 333 N Santa Rosa, San Antonio, TX 78207-3108.
- What is John Kupferschmid's phone number?
- The practice phone number listed in the NPPES registry for John Kupferschmid is (210) 704-4100.
- Does John Kupferschmid accept Medicare?
- John Kupferschmid is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Kupferschmid's NPI active?
- Yes — John Kupferschmid's NPI (1861459729) is active in the NPPES registry as of the last update on 2024-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.