Dr. William N. Bichai, MD
- Medicare services, 2024
- 10,741
- Medicare patients, 2024
- 1,048
- Part D claims, 2024
- 69,453
- MIPS score, 2024
- 12
- Hospital affiliations
- 2
- Practice address
- 15202 Thunder Valley Rd, Bakersfield, CA 93314
- Practice phone
- Call (661) 327-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
St Elizabeth Nephrology
Primary care practice · Bakersfield, California
Find Dr. Bichai's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. William N. Bichai is a nephrologist in Bakersfield, California
Dr. Bichai practices at St Elizabeth Nephrology in Bakersfield, California.
Dr. Bichai's NPI, 1548349004, was assigned on November 3, 2006. Dr. Bichai graduated from Ross University School of Medicine in 2003. Dr. Bichai holds California license A92564.
- NPI
- 1548349004NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729155510
- NPI enumeration date
- November 3, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (661) 327-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. William N. Bichai practices at St Elizabeth Nephrology in Bakersfield, California
Dr. Bichai's primary practice is St Elizabeth Nephrology, at 15202 Thunder Valley Rd, Bakersfield, CA 93314. The practice phone is (661) 327-8000.
- St Elizabeth Nephrology15202 Thunder Valley Rd, Bakersfield, CA 93314Phone(661) 327-8000
Source: Dmand AI Affiliation Data
Dr. William N. Bichai is affiliated with 22 sites of care and 1 medical group
Dr. Bichai's primary practice is St Elizabeth Nephrology in Bakersfield, California. Dr. Bichai is also affiliated with Adventist Health Bakersfield. The medical group on file is William N. Bichai MD, Inc. Dmand AI also links Dr. Bichai to 1 more hospital, 5 home health agencies, 5 hospices, 5 skilled nursing facilities and 4 dialysis centers, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. William N. Bichai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Bichai practices, 22 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| St Elizabeth Nephrology | Available with a free account |
| +21 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. William N. Bichai is one of 1,401 nephrologists in California
Nephrology is Dr. Bichai's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Bichai is board certified in internal medicine by the American Board of Internal Medicine. Dr. Bichai is licensed in California.
Specialties and state licenses
- Nephrology, CaliforniaPrimary
Clinical focus
Dmand AI lists acute kidney failure, chronic anemia, chronic kidney disease, fluid and electrolyte imbalances, gout and parathyroid gland disorder among the conditions Dr. Bichai treats.
Nephrologists near Dr. Bichai
Counts of nephrologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. William N. Bichai billed Medicare for 10,741 services in 2024
CMS data shows 10,741 Medicare services from Dr. Bichai across 23 procedure codes in 2024, for 1,048 Medicare patients. Medicare paid $729,413 for them.
Dr. Bichai's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 7,4542024: 9,66730%
- Drugs given in the office
- 2023: 8,8222024: 44695%
- Tests and treatments
- 2023: 4732024: 37022%
- Other services
- 2023: 1242024: 24295%
- Surgery
- 2023: 02024: 16
Where Dr. Bichai's Medicare services took place, 2024
- In an office2,81626%
- In a facility7,92574%
Dr. Bichai compared with the California median for nephrologists, 2024
- Dr. Bichai
- California median
- Medicare services
- 10,741vs 1,0849.9 times
- Medicare patients
- 1,048vs 3073.4 times
- Part D claims
- 68,440vs 95571.7 times
Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.
Dr. Bichai's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Bichai and other nephrologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William N. Bichai treated 1,048 Medicare patients in 2024, average age 71
CMS counts 1,048 Medicare patients who saw Dr. Bichai in 2024. The largest group is 65 to 74, with 406 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 91% are also on Medicaid. Their average risk score is 2.75, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Bichai's median patient age at 59, with 54% women.
Dr. Bichai's Medicare patients by age, 2024
Dr. Bichai's Medicare patients by sex, 2024
- Women57755%
- Men47145%
Chronic conditions among Dr. Bichai's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes68%
- Mood disorders58%
- Arthritis57%
- Depression48%
- Anxiety47%
- Chronic kidney disease44%
Share of Medicare patients with each condition. A patient can have several.
Dr. Bichai's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women54%
- Men46%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. William N. Bichai wrote 69,453 Medicare Part D claims in 2024
In 2024, Dr. Bichai wrote 69,453 Medicare Part D claims for 1,576 patients. 83% of them were for generic drugs. CMS names the drug for 68,440 of them, across 375 drugs with 11 or more claims each, at $6,764,404 in total drug cost. In 2023, CMS named 54,795 claims across 343 drugs.
Dr. Bichai's Part D claims by kind of drug, 2024
- Generic57,307 claims83%
- Brand-name11,102 claims16%
- Other1,044 claims2%
Dr. Bichai's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Bichai's Part D claims, 2024
- Opioids5%3,256 of 69,453 claims
- Antibiotics2%1,310 of 69,453 claims
- Antipsychotics, patients 65 and over2%1,651 of 69,453 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 54,7952024: 68,44025%
Drugs named by CMS: 375 in 2024, 343 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. William N. Bichai scored 12 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 12 out of 100 for Dr. Bichai for performance year 2024, reported individually. Dr. Bichai accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Bichai as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Bichai's MIPS scores, performance year 2024
- 12of 100Final score
- 0of 100Quality
- 0of 100Improvement Activities
- 42of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. William N. Bichai received $4,722 in industry payments from 2016 to 2025
CMS Open Payments shows 255 general payments to Dr. Bichai from 42 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 93% of the total. Supernus Pharmaceuticals, Inc. paid the most, $688.
General payments to Dr. Bichai by program year, 2016 to 2025
General payments to Dr. Bichai by kind, 2016 to 2025
- Food and beverage$4,40993%
- Education$3137%
Companies that paid Dr. Bichai the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. William N. Bichai graduated from Ross University School of Medicine
Dr. Bichai graduated from Ross University School of Medicine in 2003.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. William N. Bichai accepts plans from 15 insurance carriers
Dr. Bichai is in network with 15 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Elevance
- Blue Cross Blue Shield of Michigan
- United Healthcare
- HCSC
- Aetna
- Blue Cross Blue Shield of Massachusetts
- Humana
- Regence Health Plans
- +7 more carriersWith a free account
Plan types Dr. Bichai accepts, by number of carriers
- PPO10
- Medicare8
- HMO6
- POS4
- EPO3
Source: Dmand AI Insurance Network Data
Sources for Dr. William N. Bichai's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. William N. Bichai
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. William N. Bichai's NPI number?
Dr. William N. Bichai's NPI number is 1548349004. It was assigned on November 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William N. Bichai?
Dr. William N. Bichai is a nephrologist in Bakersfield, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. William N. Bichai practice?
Dr. Bichai practices at 15202 Thunder Valley Rd, Bakersfield, CA 93314. Dr. Bichai's primary practice is St Elizabeth Nephrology in Bakersfield, California. Dmand AI also links Dr. Bichai to 1 hospital, 5 home health agencies, 5 hospices, 5 skilled nursing facilities and 4 dialysis centers.
What is Dr. William N. Bichai's office phone number?
The practice phone on file for Dr. Bichai is (661) 327-8000.
What is Dr. William N. Bichai's medical license number?
Dr. Bichai holds California license A92564.
Which hospitals is Dr. William N. Bichai affiliated with?
Dr. Bichai is affiliated with Adventist Health Bakersfield. Dmand AI links Dr. Bichai to 1 more hospital.
What medical group is Dr. William N. Bichai part of?
Dr. Bichai is linked to William N. Bichai MD, Inc.
Does Dr. William N. Bichai accept Medicare?
Yes. CMS data shows Dr. Bichai billed Medicare for 10,741 services in 2024, and Dr. Bichai accepts Medicare assignment.
Does Dr. William N. Bichai offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Bichai as offering telehealth services.
What is Dr. William N. Bichai's MIPS score?
Dr. Bichai's MIPS final score for performance year 2024 is 12 out of 100, reported individually.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. William N. Bichai see?
CMS counts 1,048 Medicare patients who saw Dr. Bichai in 2024, with an average age of 71.
Is Dr. William N. Bichai board certified?
Yes. Dr. Bichai is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. William N. Bichai bill to Medicare?
In 2024, Dr. Bichai's most billed Medicare services were nursing facility care (99308), office visit, established patient (99214) and office visit, established patient (99215).
Where did Dr. William N. Bichai go to medical school?
Dr. Bichai graduated from Ross University School of Medicine in 2003.
What drugs does Dr. William N. Bichai prescribe most?
In 2024 Medicare Part D data, Dr. Bichai's most prescribed drugs by claims were Atorvastatin Calcium, Furosemide and Pantoprazole Sodium.
Has Dr. William N. Bichai received payments from drug or device companies?
CMS Open Payments shows $4,722 in general payments to Dr. Bichai from 42 companies from 2016 to 2025. The largest total came from Supernus Pharmaceuticals, Inc.
How long has Dr. William N. Bichai been practicing?
Dr. Bichai graduated from medical school in 2003, 23 years ago.
What insurance does Dr. William N. Bichai accept?
Dr. Bichai is in network with 15 carriers, including Elevance, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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