Preston Foster, M.D.
NPI 1326005232 · Transplant Surgery Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Preston Foster, M.D. is a Transplant Surgery Physician provider in San Antonio, TX (NPI 1326005232).
Provider details
- NPI number
- 1326005232
- Entity type
- Individual
- Primary specialty
- Transplant Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- F9437 (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 tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
210 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 84 | $113 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 54 | $93 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 50 | $75 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 22 | $138 |
Typical Medicare-allowed amounts for these services range $75–$138 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Omeprazole | 43 | 11 |
| Valganciclovir Hcl | 25 | — |
| Tacrolimus | 20 | 11 |
| Clotrimazole | 19 | — |
| Sulfamethoxazole/Trimethoprimbrand: Sulfamethoxazole-Trimethoprim | 18 | — |
| Mycophenolate Mofetil | 15 | — |
| Carvedilol | 13 | — |
| Prednisone |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$117 across 5 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
Registry dates
- Enumerated
- 2006-04-26
- Last updated
- 2014-05-26
Frequently asked questions
- What is Preston Foster's NPI number?
- Preston Foster's National Provider Identifier (NPI) is 1326005232, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Preston Foster's specialty?
- Preston Foster is listed in the NPPES registry with a primary specialty of Transplant Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Preston Foster located?
- Preston Foster's practice location on file with NPPES is 8201 Ewing Halsell Dr, San Antonio, TX 78229-3707.
- What is Preston Foster's phone number?
- The practice phone number listed in the NPPES registry for Preston Foster is (210) 575-8514.
- Does Preston Foster accept Medicare?
- Preston Foster is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Preston Foster's NPI active?
- Yes — Preston Foster's NPI (1326005232) is active in the NPPES registry as of the last update on 2014-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.