Nathan Teschan, D.O.
NPI 1558680397 · Anatomic Pathology & Clinical Pathology Physician · San Antonio, TX
Enrolled with Medicare as Order and Referring Only - Pathology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Teschan, D.O. is a Anatomic Pathology & Clinical Pathology Physician provider in San Antonio, TX (NPI 1558680397).
Provider details
- NPI number
- 1558680397
- Entity type
- Individual
- Primary specialty
- Anatomic Pathology & Clinical Pathology PhysicianAllopathic & Osteopathic Physicians
- Credential
- D.O.
- Sex
- Male
- Sole proprietor
- No
- License
- 02003918A (IN)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
16 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.
$490 across 3 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)
- 101 Bodin CirPathologyTravis Afb, CA 94535-1809Phone: (707) 423-3753
Registry dates
- Enumerated
- 2010-05-19
- Last updated
- 2023-09-05
- Certified
- 2022-01-28
Frequently asked questions
- What is Nathan Teschan's NPI number?
- Nathan Teschan's National Provider Identifier (NPI) is 1558680397, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Teschan's specialty?
- Nathan Teschan is listed in the NPPES registry with a primary specialty of Anatomic Pathology & Clinical Pathology Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Teschan located?
- Nathan Teschan's practice location on file with NPPES is 3551 Roger Brooke Dr Bldg 1151, San Antonio, TX 78234-4504.
- What is Nathan Teschan's phone number?
- The practice phone number listed in the NPPES registry for Nathan Teschan is (210) 916-0000.
- Does Nathan Teschan accept Medicare?
- Nathan Teschan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Teschan's NPI active?
- Yes — Nathan Teschan's NPI (1558680397) is active in the NPPES registry as of the last update on 2023-09-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.