Doctor profile · Federal record
Dr. William Gilli, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Bakersfield, CA
- NPI 1447257100
- Accepts Medicare
- MIPS 21.4 / 100 · 2023
- 43 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
8327 Brimhall RD, Suite #704
Bakersfield, CA 933124048
(661) 617-6750
fax (661) 617-6760
Credentials & registration
- NPI registered
- July 2005 — 21 yrs on file
- Profile last updated
- October 31, 2024
- Year of graduation
- 1983 — 43 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #G53033
- Medicaid
- CA #GR0057501
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1447257100. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,554
Distinct HCPCS
10
Medicare allowed
$236,602
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 725 | 329 | $111 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 444 | 278 | $183 | |
90662 |
Influenza vaccine split virus, preservative free | 165 | 165 | $72 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 148 | 148 | $133 | |
G0008 |
Administration of influenza virus vaccine | 140 | 139 | $28 | |
G0444 |
Annual depression screening, 5 to 15 minutes | 132 | 132 | $18 | |
G0442 |
Annual alcohol misuse screening, 5 to 15 minutes | 125 | 125 | $19 | |
G0447 |
Face-to-face behavioral counseling for obesity, 15 minutes | 101 | 67 | $26 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 89 | 50 | $86 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 76 | 75 | $15 |
In context: peer comparison
Among 55 peers in Bakersfield Internal Medicine Physician, average services per provider: 228. This provider delivers 11× the peer median.Open Payments
Industry payments received
All-time total
$1,174
Transactions
52
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 10 | $166.96 | |
| Otsuka America Pharmaceutical, INC. | 5 | $105.45 | |
| Teva Pharmaceuticals USA, INC. | 1 | $103.82 | |
| Lilly USA, LLC | 6 | $93.72 | |
| Novo Nordisk INC | 5 | $87.53 | |
| Amgen INC. | 4 | $83.63 | |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | 5 | $80.95 | |
| Pfizer INC. | 4 | $74.89 | |
| GlaxoSmithKline, LLC. | 3 | $56.41 | |
| Baxter Healthcare | 2 | $46.29 | |
| Exact Sciences Corporation | 2 | $41.56 | |
| Abbvie INC. | 2 | $34.97 | |
| Dexcom, INC. | 1 | $34.10 | |
| Shield Therapeutics INC | 1 | $32.31 | |
| Vertex Pharmaceuticals Incorporated | 1 | $31.10 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,911
Patients
1,076
Total drug cost
$58,348
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 558 | 147 | $6,015 |
| Levothyroxine Sodium | Generic | 461 | 124 | $9,385 |
| Amlodipine Besylate | Generic | 423 | 117 | $2,594 |
| Losartan Potassium | Generic | 370 | 104 | $4,167 |
| Rosuvastatin Calcium | Generic | 368 | 109 | $18,399 |
| Omeprazole | Generic | 223 | 63 | $2,455 |
| Lisinopril | Generic | 212 | 66 | $1,549 |
| Pantoprazole Sodium | Generic | 212 | 59 | $2,828 |
| Hydrochlorothiazide | Generic | 178 | 45 | $770 |
| Gabapentin | Generic | 176 | 50 | $2,809 |
Frequently asked questions
What is Dr. William Gilli's medical specialty?
Dr. William Gilli practices Internal Medicine Physician in Bakersfield, CA.
Where does Dr. William Gilli practice?
Dr. William Gilli practices at 8327 Brimhall RD, Bakersfield, CA 933124048. Office phone: 6616176750.
What is Dr. William Gilli's NPI?
Dr. William Gilli's National Provider Identifier (NPI) is 1447257100, issued by NPPES.
Does Dr. William Gilli accept Medicare assignment?
Yes. Dr. William Gilli accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Gilli commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Influenza vaccine split virus, preservative free (HCPCS 90662). Source: CMS Medicare Physician & Other Practitioners file.