Doctor profile · Federal record
Dr. Francis Williams, M.D.
Rheumatology Physician (CMS: Rheumatology) · Internal Medicine Physician · San Antonio, TX
- NPI 1275519449
- Accepts Medicare
- 34 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
8715 Village Dr Ste 400
San Antonio, TX 782175407
(210) 732-3668 - Additional location
-
4330 Medical Dr Ste 400
San Antonio, TX 782293324
fax (210) 732-3338
Credentials & registration
- NPI registered
- December 2005 — 21 yrs on file
- Profile last updated
- November 6, 2024
- Year of graduation
- 1992 — 34 yrs since
- Specialty taxonomy
- 207RR0500X — NUCC code
- State license (1)
- Texas #J4615
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1275519449. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
55
Distinct HCPCS
2
Medicare allowed
$7,446
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 36 | 24 | $123 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 19 | 19 | $159 |
In context: peer comparison
Among 14 peers in San Antonio Rheumatology Physician, average services per provider: 2,374. This provider delivers 0.0× the peer median.Open Payments
Industry payments received
All-time total
$708
Transactions
7
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 6 | $586.40 | |
| Amgen INC. | 1 | $122.07 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,924
Patients
841
Total drug cost
$1,751,606
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Methotrexate (Methotrexate Sodium) | Brand | 511 | 147 | $15,839 |
| Prednisone | Generic | 459 | 134 | $3,963 |
| Hydroxychloroquine Sulfate | Generic | 338 | 102 | $24,270 |
| Duloxetine Hcl | Generic | 252 | 59 | $4,887 |
| Leflunomide | Generic | 243 | 69 | $10,079 |
| Sulfasalazine Dr (Sulfasalazine) | Brand | 206 | 60 | $7,224 |
| Folic Acid | Generic | 163 | 60 | $759 |
| Gabapentin | Generic | 124 | 40 | $1,907 |
| Enbrel Sureclick (Etanercept) | Brand | 117 | 19 | $894,537 |
| Tizanidine Hcl | Generic | 114 | 43 | $2,335 |
Frequently asked questions
What is Dr. Francis Williams's medical specialty?
Dr. Francis Williams practices Rheumatology Physician in San Antonio, TX.
Where does Dr. Francis Williams practice?
Dr. Francis Williams practices at 8715 Village Dr Ste 400, San Antonio, TX 782175407. Office phone: 2107323668.
What is Dr. Francis Williams's NPI?
Dr. Francis Williams's National Provider Identifier (NPI) is 1275519449, issued by NPPES.
Does Dr. Francis Williams accept Medicare assignment?
Yes. Dr. Francis Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Francis Williams commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.