Dr. William Pollock Barley Jr., MD
- Medicare services, 2018
- 2,580
- Part D claims, 2024
- 1,546
- Hospital affiliations
- 1
- Industry payments
- $3,385
- Medical group
- 1
- Practice address
- 1100 Marshall Way, Placerville, CA 95667
- Practice phone
- Call (530) 622-1441
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Barley'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 Pollock Barley Jr. is a family medicine physician in Placerville, California
Dr. Barley practices at Marshall Medical in Placerville, California, part of Marshall Medical Center.
Dr. Barley's NPI, 1619062007, was assigned on October 3, 2006. Dr. Barley graduated from UC San Diego School of Medicine in 1990. Dr. Barley holds California license G72071.
- NPI
- 1619062007NPI Registry (opens in a new tab)
- NPI enumeration date
- October 3, 2006
- NPI status
- Active
- Practice phone
- (530) 622-1441
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1990
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. William Pollock Barley Jr. practices at Marshall Medical in Placerville, California
Dr. Barley's primary practice is Marshall Medical, at 1100 Marshall Way, Placerville, CA 95667 in El Dorado County. The practice phone is (530) 622-1441.
- Marshall Medical1100 Marshall Way, Placerville, CA 95667 · El Dorado CountyPhone(530) 622-1441
Source: Dmand AI Affiliation Data
Dr. William Pollock Barley Jr. is affiliated with 2 sites of care and 1 medical group
Dr. Barley's primary practice is Marshall Medical in Placerville, California, part of Marshall Medical Center. Dmand AI also links Dr. Barley to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. William Pollock Barley Jr.'s practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Barley practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Marshall Medical | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Marshall Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
Dr. William Pollock Barley Jr. is one of 15,680 family medicine physicians in California
Family medicine is Dr. Barley's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Barley is board certified in family medicine by the American Board of Family Medicine. Dmand AI has Dr. Barley's licenses on file in 2 states: California and Nevada.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
- Nevada license
Family medicine physicians near Dr. Barley
Counts of family 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 Pollock Barley Jr. billed Medicare for 2,580 services in 2018
CMS data shows 2,580 Medicare services from Dr. Barley across 16 procedure codes in 2018. Medicare paid $106,502 for them. Every service was in an office.
Dr. Barley's Medicare services by type, 2017 to 2018
- 2017
- 2018
- Office and hospital visits
- 2017: 1,6062018: 1,7056%
- Lab and pathology
- 2017: 7332018: 730No change
- Tests and treatments
- 2017: 1772018: 11336%
- Surgery
- 2017: 192018: 3268%
- Other services
- 2017: 202018: 0100%
Dr. Barley compared with the California median for family medicine physicians, 2018
- Dr. Barley
- California median
- Medicare services
- 2,580vs 24610.5 times
- Part D claims
- 1,147vs 83338% above
Medians across 15,349 family medicine physicians in California with Dmand AI profiles that report each measure.
Dr. Barley's most billed Medicare procedure codes, 2018
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. Barley and other family medicine physicians in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. William Pollock Barley Jr.'s patients have a median age of 73
Across all payers, Dmand AI patient panel data puts Dr. Barley's median patient age at 73, with 53% women.
Dr. Barley's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 73
Patient panel by sex, all payers
- Women53%
- Men47%
Source: Dmand AI Patient Panel Data
Dr. William Pollock Barley Jr. wrote 1,546 Medicare Part D claims in 2024
In 2024, Dr. Barley wrote 1,546 Medicare Part D claims for 103 patients. 89% of them were for generic drugs. CMS names the drug for 1,147 of them, across 51 drugs with 11 or more claims each, at $64,218 in total drug cost. In 2023, CMS named 1,052 claims across 46 drugs.
Dr. Barley's Part D claims by kind of drug, 2024
- Generic1,379 claims89%
- Brand-name150 claims10%
- Other17 claims1%
Dr. Barley'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. Barley's Part D claims, 2024
- Opioids8%129 of 1,546 claims
- Antibiotics9%135 of 1,546 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: 1,0522024: 1,1479%
Drugs named by CMS: 51 in 2024, 46 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
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Dr. William Pollock Barley Jr. received $3,385 in industry payments from 2016 to 2025
CMS Open Payments shows 212 general payments to Dr. Barley from 30 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 88% of the total. Romark Laboratories, LC paid the most, $728.
General payments to Dr. Barley by program year, 2016 to 2025
General payments to Dr. Barley by kind, 2016 to 2025
- Food and beverage$2,98588%
- Entertainment$2828%
- Gifts$903%
- Education$281%
Companies that paid Dr. Barley 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 Pollock Barley Jr. graduated from UC San Diego School of Medicine
Dr. Barley graduated from UC San Diego School of Medicine in 1990.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. William Pollock Barley Jr.'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 DataDmand AI Org Hierarchy 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 Data |
| 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 Pollock Barley Jr.
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 Pollock Barley Jr.'s NPI number?
Dr. William Pollock Barley Jr.'s NPI number is 1619062007. It was assigned on October 3, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. William Pollock Barley Jr.?
Dr. William Pollock Barley Jr. is a family medicine physician in Placerville, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. William Pollock Barley Jr. practice?
Dr. Barley practices at 1100 Marshall Way, Placerville, CA 95667. Dr. Barley's primary practice is Marshall Medical in Placerville, California, part of Marshall Medical Center. Dmand AI also links Dr. Barley to 1 group practice or clinic and 1 medical group.
What is Dr. William Pollock Barley Jr.'s office phone number?
The practice phone on file for Dr. Barley is (530) 622-1441.
What is Dr. William Pollock Barley Jr.'s medical license number?
Dr. Barley holds California license G72071, one of the licenses on file in 2 states.
Which states has Dr. William Pollock Barley Jr. been licensed in?
Dmand AI has state licenses on file for Dr. Barley in California (1991 to 2027) and Nevada (2021 to 2025).
Which hospitals is Dr. William Pollock Barley Jr. affiliated with?
Dr. Barley practices at Marshall Medical in Placerville, California.
Does Dr. William Pollock Barley Jr. accept Medicare?
Yes. CMS data shows Dr. Barley billed Medicare for 2,580 services in 2018.
Is Dr. William Pollock Barley Jr. board certified?
Yes. Dr. Barley is board certified in family medicine by the American Board of Family Medicine.
What services does Dr. William Pollock Barley Jr. bill to Medicare?
In 2018, Dr. Barley's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and lab and pathology test (82947).
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Where did Dr. William Pollock Barley Jr. go to medical school?
Dr. Barley graduated from UC San Diego School of Medicine in 1990.
What drugs does Dr. William Pollock Barley Jr. prescribe most?
In 2024 Medicare Part D data, Dr. Barley's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Rosuvastatin Calcium and Buspirone HCl.
Has Dr. William Pollock Barley Jr. received payments from drug or device companies?
CMS Open Payments shows $3,385 in general payments to Dr. Barley from 30 companies from 2016 to 2025. The largest total came from Romark Laboratories, LC.
How long has Dr. William Pollock Barley Jr. been practicing?
Dr. Barley graduated from medical school in 1990, 36 years ago.
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