Dr. William E. Buys, DO

  • Templeton, CA
  • Emergency medicine physician
NPI1639127376PAC ID9133256324
Medicare services, 2024
599
Medicare patients, 2024
457
Part D claims, 2024
219
Hospital affiliations
2
Medical group
1
Practice address
1100 Las Tablas Rd, Templeton, CA 93465
Practice phone
Call (805) 434-3500
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Adventist Health Twin Cities

Hospital · Templeton, California

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Dr. William E. Buys is an emergency medicine physician in Templeton, California

Dr. Buys practices at Adventist Health Twin Cities in Templeton, California, part of Adventist Health.

Dr. Buys' NPI, 1639127376, was assigned on May 5, 2006. Dr. Buys graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 1998. Dr. Buys holds California license 20A8118.

NPI and contact details
Medicare PAC ID
9133256324
NPI enumeration date
May 5, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(805) 434-3500
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
54
Medical school graduation
1998

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

Dr. William E. Buys practices at Adventist Health Twin Cities in Templeton, California

Dr. Buys' primary practice is Adventist Health Twin Cities, at 1100 Las Tablas Rd, Templeton, CA 93465 in San Luis Obispo County. The practice phone is (805) 434-3500.

Source: Dmand AI Affiliation Data

Dr. William E. Buys is affiliated with 2 sites of care and 1 medical group

Dr. Buys' primary practice is Adventist Health Twin Cities in Templeton, California, part of Adventist Health. Dr. Buys is also affiliated with Adventist Health Sierra Vista. The medical group on file is Central Coast Emergency Physicians.

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. William E. Buys' practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Buys practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Adventist Health Twin CitiesAvailable with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. William E. Buys is one of 7,423 emergency medicine physicians in California

Emergency medicine is Dr. Buys' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Buys is licensed in California.

Specialties and state licenses

  • Emergency medicine, CaliforniaPrimaryLicense 20A8118 · taxonomy 207P00000X

Emergency medicine physicians near Dr. Buys

Counts of emergency medicine physicians 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 E. Buys billed Medicare for 599 services in 2024

CMS data shows 599 Medicare services from Dr. Buys across 6 procedure codes in 2024, for 457 Medicare patients. Medicare paid $56,594 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024599
Medicare patients457
Paid by Medicare$56,594
Procedure codes6

Dr. Buys' Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 4732024: 4691%
Tests and treatments
2023: 1072024: 988%
Imaging
2023: 612024: 3248%

Dr. Buys compared with the California median for emergency medicine physicians, 2024

  • Dr. Buys
  • California median
Medicare services
599vs 2652.3 times
Medicare patients
457vs 24388% above
Part D claims
113vs 6282% above

Medians across 7,079 emergency medicine physicians in California with Dmand AI profiles that report each measure.

Dr. Buys' 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.

See all procedures by Dr. Buys

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. William E. Buys treated 457 Medicare patients in 2024, average age 76

CMS counts 457 Medicare patients who saw Dr. Buys in 2024. The largest group is 65 to 74, with 150 patients. 75% of them have high blood pressure, and 68% have high cholesterol. 30% are also on Medicaid. Their average risk score is 1.63, 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. Buys' median patient age at 43, with 53% women.

Medicare patients, 2024457
Average age76
Average risk score1.63
Also on Medicaid30%

Dr. Buys' Medicare patients by age, 2024

Dr. Buys' Medicare patients by sex, 2024

  • Women26458%
  • Men19342%

Chronic conditions among Dr. Buys' Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol68%
  3. Arthritis49%
  4. Anxiety37%
  5. Mood disorders35%
  6. Chronic kidney disease31%
  7. Depression30%
  8. Diabetes30%

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

Dr. Buys' patients across all payers

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

Patient panel by age, all payers

Median age 43

Patient panel by sex, all payers

  • Women53%
  • Men47%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. William E. Buys wrote 219 Medicare Part D claims in 2024

In 2024, Dr. Buys wrote 219 Medicare Part D claims for 168 patients. 95% of them were for generic drugs. CMS names the drug for 113 of them, across 6 drugs with 11 or more claims each, at $704 in total drug cost. In 2023, CMS named 101 claims across 3 drugs.

Part D claims, 2024219
Drugs named by CMS6
Total drug cost$704
Part D patients168

Dr. Buys' Part D claims by kind of drug, 2024

  • Generic208 claims95%
  • Brand-name and other11 claims5%

Dr. Buys' 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. Buys' Part D claims, 2024

  • Opioids19%42 of 219 claims
  • Antibiotics39%85 of 219 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: 1012024: 11312%

Drugs named by CMS: 6 in 2024, 3 in 2023.

See all prescribing by Dr. Buys

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

How Dr. William E. Buys takes part in Medicare

Dr. Buys accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. William E. Buys graduated from Des Moines University of Osteopathic Medicine and Health Sciences

Dr. Buys graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 1998.

  1. Medical schoolDes Moines University of Osteopathic Medicine and Health Sciences

Source: Dmand AI Professional Profile Data

Sources for Dr. William E. Buys'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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
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 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
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 Dr. William E. Buys

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 E. Buys' NPI number?

Dr. William E. Buys' NPI number is 1639127376. It was assigned on May 5, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. William E. Buys?

Dr. William E. Buys is an emergency medicine physician in Templeton, California. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).

Where does Dr. William E. Buys practice?

Dr. Buys practices at 1100 Las Tablas Rd, Templeton, CA 93465. Dr. Buys' primary practice is Adventist Health Twin Cities in Templeton, California, part of Adventist Health.

What is Dr. William E. Buys' office phone number?

The practice phone on file for Dr. Buys is (805) 434-3500.

What is Dr. William E. Buys' medical license number?

Dr. Buys holds California license 20A8118.

Which hospitals is Dr. William E. Buys affiliated with?

Dr. Buys practices at Adventist Health Twin Cities in Templeton, California. Dr. Buys is also affiliated with Adventist Health Sierra Vista.

What medical group is Dr. William E. Buys part of?

Dr. Buys is linked to Central Coast Emergency Physicians.

Does Dr. William E. Buys accept Medicare?

Yes. CMS data shows Dr. Buys billed Medicare for 599 services in 2024, and Dr. Buys accepts Medicare assignment.

How many Medicare patients does Dr. William E. Buys see?

CMS counts 457 Medicare patients who saw Dr. Buys in 2024, with an average age of 76.

What services does Dr. William E. Buys bill to Medicare?

In 2024, Dr. Buys' most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and heart test or procedure (93010).

Show 3 more questionsShow fewer questions

Where did Dr. William E. Buys go to medical school?

Dr. Buys graduated from Des Moines University of Osteopathic Medicine and Health Sciences in 1998.

What drugs does Dr. William E. Buys prescribe most?

In 2024 Medicare Part D data, Dr. Buys' most prescribed drugs by claims were Hydrocodone-Acetaminophen, Cephalexin and Prednisone.

How long has Dr. William E. Buys been practicing?

Dr. Buys graduated from medical school in 1998, 28 years ago.

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