Doctor profile · Federal record
Dr. Byron Williams, M.D.
Infectious Disease Physician (CMS: Infectious Disease) · Glendale, CA
- NPI 1295790319
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 35 yrs in practice
- Male
- No sanctions
Practice & contact
- Primary practice
-
801 South Chevy Chase Drive #105
Glendale, CA 91205
(818) 242-5299
fax (818) 637-7607
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- July 9, 2007
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207RI0200X — NUCC code
- State license (1)
- California #G76616
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1295790319. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
366
Distinct HCPCS
4
Medicare allowed
$43,727
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 180 | 123 | $125 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 113 | 102 | $87 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 49 | 48 | $182 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 24 | 14 | $103 |
In context: peer comparison
Among 4 peers in this city , average services per provider: 959. This provider delivers 0.4× the peer median.Open Payments
Industry payments received
All-time total
$218
Transactions
10
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Gilead Sciences, Inc. | 4 | $76.82 | |
| ABBVIE INC. | 2 | $48.62 | |
| Shionogi Inc | 2 | $41.05 | |
| Astellas Pharma US Inc | 1 | $27.65 | |
| Paratek Pharmaceuticals, Inc. | 1 | $23.73 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
289
Patients
36
Total drug cost
$403,998
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Biktarvy (Bictegrav/Emtricit/Tenofov Ala) | Brand | 46 | 0 | $180,509 |
| Daptomycin | Generic | 38 | 0 | $71,065 |
| Azithromycin | Generic | 22 | 14 | $413 |
| Doxycycline Hyclate | Generic | 22 | 0 | $855 |
| Ertapenem (Ertapenem Sodium) | Brand | 20 | 0 | $15,357 |
| Cefdinir | Generic | 19 | 11 | $876 |
| Vancomycin Hcl | Generic | 19 | 0 | $2,076 |
| Fluconazole | Generic | 18 | 11 | $868 |
| Cresemba (Isavuconazonium Sulfate) | Brand | 14 | 0 | $83,063 |
| Efavirenz-Emtric-Tenofov Disop (Efavirenz/Emtricit/Tenofovr Df) | Brand | 13 | 0 | $8,049 |
Frequently asked questions
What is Dr. Byron Williams's medical specialty?
Dr. Byron Williams practices Infectious Disease Physician in Glendale, CA.
Where does Dr. Byron Williams practice?
Dr. Byron Williams practices at 801 South Chevy Chase Drive #105, Glendale, CA 91205. Office phone: 8182425299.
What is Dr. Byron Williams's NPI?
Dr. Byron Williams's National Provider Identifier (NPI) is 1295790319, issued by NPPES.
Does Dr. Byron Williams accept Medicare assignment?
Yes. Dr. Byron Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Byron Williams commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with straightforward or low level of medical decision making (HCPCS 99221); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.