William Chamberlain

  • Bakersfield, CA
  • Physician assistant
NPI1760857247PAC ID1153614920
Medicare patients, 2026
18
Part D claims, 2026
14,551
Hospital affiliations
2
Industry payments
$145
Medical groups
2
Practice address
6001 Truxtun Ave, Bakersfield, CA 93309
Practice phone
Call (661) 323-8384
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Centric Health

Bakersfield, California

See all 11 affiliations

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William Chamberlain is a physician assistant in Bakersfield, California

William Chamberlain practices at Centric Health in Bakersfield, California.

William Chamberlain's NPI, 1760857247, was assigned on December 9, 2015. William Chamberlain holds California license 53090.

NPI and contact details
Medicare PAC ID
1153614920
NPI enumeration date
December 9, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(661) 323-8384
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
37
Medical school graduation
2015

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

William Chamberlain practices at Centric Health in Bakersfield, California

William Chamberlain's primary practice is Centric Health, at 6001 Truxtun Ave, Bakersfield, CA 93309 in Kern County. The practice phone is (661) 323-8384.

  • Centric Health
    6001 Truxtun Ave, Bakersfield, CA 93309 · Kern CountyPhone(661) 323-8384

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

William Chamberlain is affiliated with 9 sites of care and 2 medical groups

William Chamberlain's primary practice is Centric Health in Bakersfield, California. William Chamberlain is also affiliated with Adventist Health Bakersfield. The medical group on file is Centric Health. Dmand AI also links William Chamberlain to 1 more hospital, 4 home health agencies, 2 group practices and clinics and 1 medical group, each named with a free account.

See all 11 affiliations for William Chamberlain

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at William Chamberlain's practice

Dmand AI tracks the electronic health record (EHR) system at each site where William Chamberlain practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Centric HealthAvailable with a free account
+8 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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William Chamberlain is one of 11,482 physician assistants in California

Physician assistant is William Chamberlain's primary specialty in the NPI Registry, under taxonomy code 363A00000X. William Chamberlain is licensed in California.

Specialties and state licenses

  • Physician assistant, CaliforniaPrimaryLicense 53090 · taxonomy 363A00000X

Physician assistants near William Chamberlain

Counts of physician assistants 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

William Chamberlain treated 18 Medicare patients in 2026, average age 71

CMS counts 18 Medicare patients who saw William Chamberlain in 2026. The largest group is 85 and over, with 0 patients. 75% of them have high blood pressure, and 67% have arthritis. Their average risk score is 1.36, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts William Chamberlain's median patient age at 55, with 47% women.

Medicare patients, 202618
Average age71
Average risk score1.36

William Chamberlain's Medicare patients by age, 2026

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among William Chamberlain's Medicare patients, 2026

  1. High blood pressure75%
  2. Arthritis67%
  3. High cholesterol67%
  4. Diabetes61%

Share of Medicare patients with each condition. A patient can have several.

William Chamberlain's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 55

Patient panel by sex, all payers

  • Women47%
  • Men52%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data

William Chamberlain wrote 14,551 Medicare Part D claims in 2026

In 2026, William Chamberlain wrote 14,551 Medicare Part D claims for 692 patients. 89% of them were for generic drugs.

Part D claims, 202614,551
Part D patients692

William Chamberlain's Part D claims by kind of drug, 2026

  • Generic13,004 claims89%
  • Brand-name1,475 claims10%
  • Other72 claims0%

Drug classes CMS tracks in William Chamberlain's Part D claims, 2026

  • Opioids4%527 of 14,551 claims
  • Antibiotics3%494 of 14,551 claims
  • Antipsychotics, patients 65 and over1%116 of 14,551 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Source: Medicare Part D Prescribers - by Provider (CMS), 2026 data

William Chamberlain offers telehealth to Medicare patients

William Chamberlain accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists William Chamberlain as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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William Chamberlain received $145 in industry payments in 2025

CMS Open Payments shows 9 general payments to William Chamberlain from 7 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Antares Pharma, Inc. paid the most, $56.

Companies that paid William Chamberlain the most, 2025 to 2025

Share is of all general payments to this clinician.

See all payments to William Chamberlain

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for William Chamberlain's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about William Chamberlain

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is William Chamberlain's NPI number?

William Chamberlain's NPI number is 1760857247. It was assigned on December 9, 2015, and it is active in the NPI Registry.

What does William Chamberlain specialize in?

William Chamberlain is a physician assistant in Bakersfield, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does William Chamberlain practice?

William Chamberlain practices at 6001 Truxtun Ave, Bakersfield, CA 93309. William Chamberlain's primary practice is Centric Health in Bakersfield, California. Dmand AI also links William Chamberlain to 1 hospital, 4 home health agencies, 2 group practices and clinics and 1 medical group, and a free account names each one.

What is William Chamberlain's office phone number?

The practice phone on file for William Chamberlain is (661) 323-8384. Dmand AI also checks direct phone and mobile numbers, available with a free account.

What is William Chamberlain's email address?

Dmand AI checks professional and personal email addresses for William Chamberlain through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.

What is William Chamberlain's medical license number?

William Chamberlain holds California license 53090.

Which hospitals is William Chamberlain affiliated with?

William Chamberlain is affiliated with Adventist Health Bakersfield. Dmand AI links William Chamberlain to 1 more hospital, named with a free account.

What medical group is William Chamberlain part of?

William Chamberlain is linked to Centric Health. Dmand AI links William Chamberlain to 1 more medical group, named with a free account.

Who does William Chamberlain practice with?

Dmand AI links 80 HCPs to William Chamberlain's primary medical group, 9 of them physician assistants. A free account lists them, with verified contacts.

Does William Chamberlain accept Medicare?

Yes. CMS lists William Chamberlain as accepting Medicare assignment.

Show 5 more questionsShow fewer questions

Does William Chamberlain offer telehealth?

Yes. The CMS Doctors and Clinicians file lists William Chamberlain as offering telehealth services.

How many Medicare patients does William Chamberlain see?

CMS counts 18 Medicare patients who saw William Chamberlain in 2026, with an average age of 71.

Has William Chamberlain received payments from drug or device companies?

CMS Open Payments shows $145 in general payments to William Chamberlain from 7 companies from 2025 to 2025. The largest total came from Antares Pharma, Inc.

How long has William Chamberlain been practicing?

William Chamberlain graduated from medical school in 2015, 11 years ago.

What EHR does William Chamberlain's practice use?

Dmand AI tracks the EHR system at Centric Health and at 8 more sites and 1 medical group. The vendor and product are available with a free Dmand AI account.

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