Internal Medicine, Nephrology · Bakersfield, CA
NPI
1548349004
Since 2006
Specialty
Internal Medicine, Nephrology
Code 207RN0300X
Group practices
1
Medicare group memberships
Hospitals
2
Hospital affiliations
15202 Thunder Valley Rd
Bakersfield, CA, 93314
Phone (661) 327-8000
Groups this clinician bills Medicare through
Medicare paid, 2024
$737K
11,037 services
Medicare patients, 2024
1,048
Average age 71
Drug cost, 2024
$7.7M
69,453 prescriptions
Company payments, 2025
$185
From 5 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by William N Bichai was code 99308 (snf e&m), 6,729 times for 489 patients. In total William N Bichai billed 11,037 services in 49 codes, and Medicare paid $737K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2017-09-28.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99308 SNF E&M | Facility | 6,729 | 489 | $55.31 | $372K |
| 99214 Office E&M - Established | Office | 738 | 287 | $90.53 | $67K |
| 99215 Office E&M - Established | Office | 569 | 260 | $123.85 | $70K |
| J3420 Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | Office | 420 | 225 | $0.92 | $386 |
| 99232 Hospital E&M - Subsequent | Facility | 405 | 134 | $57.59 | $23K |
| 99306 SNF E&M | Facility | 364 | 286 | $135.35 | $49K |
| 90960 ESRD Related Services (not dialysis) | Office | 246 | 25 | $258.41 | $64K |
| 99316 SNF E&M | Facility | 244 | 202 | $96.34 | $24K |
| G2012 Brief communication technology-based service, e.g. virtual check-in, by a physician or other qualified health care professional who can report evaluation and management services, provided to an established patient, not originating from a related e/m servic | Office | 200 | 119 | $9.06 | $1,812 |
| 99442 Telephone Services | Office | 188 | 98 | $49.01 | $9,214 |
| 99223 Hospital E&M - Initial | Facility | 167 | 156 | $126.99 | $21K |
| 99205 Office E&M - New | Office | 105 | 105 | $137.91 | $14K |
| 99213 Office E&M - Established | Office | 74 | 60 | $58.64 | $4,339 |
| 99441 Telephone Services | Office | 56 | 39 | $26.22 | $1,468 |
| 90656 Vaccine Product | Office | 47 | 47 | $21.90 | $1,029 |
By year: 2022 $879K for 17,950 services; 2023 $635K for 17,360 services; 2024 $737K for 11,037 services.
Medicare prescription drug claims, 2024
In 2024, the drug William N Bichai prescribed most often to Medicare patients was Atorvastatin Calcium, with 4,102 prescriptions and refills. In total William N Bichai wrote 69,453 Medicare prescriptions that cost $7.7M.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Atorvastatin Calcium Generic | 4,102 | 4,475 | 520 | $45K |
| Furosemide Generic | 2,338 | 2,523 | 318 | $15K |
| Pantoprazole Sodium Generic | 2,322 | 2,523 | 323 | $34K |
| Gabapentin Generic | 2,257 | 2,332 | 294 | $29K |
| Hydrocodone-Acetaminophen Hydrocodone/Acetaminophen | 1,908 | 1,908 | 298 | $30K |
| Levothyroxine Sodium Generic | 1,584 | 1,734 | 238 | $17K |
| Metoprolol Tartrate Generic | 1,376 | 1,482 | 168 | $8,998 |
| Amlodipine Besylate Generic | 1,326 | 1,430 | 215 | $8,592 |
| Losartan Potassium Generic | 1,271 | 1,467 | 201 | $11K |
| Lisinopril Generic | 1,257 | 1,433 | 184 | $8,499 |
| Metformin Hcl Generic | 1,247 | 1,329 | 181 | $8,863 |
| Ozempic Semaglutide | 1,218 | 1,335 | 183 | $1.2M |
| Clopidogrel Clopidogrel Bisulfate | 1,195 | 1,297 | 135 | $11K |
| Carvedilol Generic | 1,172 | 1,258 | 144 | $9,679 |
| Famotidine Generic | 1,163 | 1,229 | 149 | $11K |
Brand drugs: 11,102 claims; generic drugs: 57,307 claims; opioid claims: 3,256.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid William N Bichai $185 ($185 in general payments such as food, travel and fees) from 5 companies. The largest payer was Mannkind Corporation with $102.
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.