William Blake Jamieson, PA-C
- Medicare services, 2024
- 179
- Medicare patients, 2024
- 190
- Part D claims, 2024
- 565
- Hospital affiliations
- 4
- Industry payments
- $383
- Practice address
- 6501 Coyle Ave, Carmichael, CA 95608
- Practice phone
- Call (916) 537-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find William Jamieson's professional email, personal email and mobile number
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William Blake Jamieson is a physician assistant in Carmichael, California
William Jamieson practices at Dignity Health - Mercy San Juan Medical Center in Carmichael, California, part of CommonSpirit Health.
William Jamieson's NPI, 1326702077, was assigned on October 28, 2021.
- NPI
- 1326702077NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305237942
- NPI enumeration date
- October 28, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (916) 537-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William Blake Jamieson practices at Dignity Health - Mercy San Juan Medical Center in Carmichael, California
William Jamieson's primary practice is Dignity Health - Mercy San Juan Medical Center, at 6501 Coyle Ave, Carmichael, CA 95608 in Sacramento County. The practice phone is (916) 537-5000.
- Dignity Health - Mercy San Juan Medical Center6501 Coyle Ave, Carmichael, CA 95608 · Sacramento CountyPhone(916) 537-5000
Source: Dmand AI Affiliation Data
William Blake Jamieson is affiliated with 5 sites of care and 1 medical group
William Jamieson's primary practice is Dignity Health - Mercy San Juan Medical Center in Carmichael, California, part of CommonSpirit Health. William Jamieson is also affiliated with Sutter Roseville Medical Center. The medical group on file is Physician Assistant Surgical Assist Inc. Dmand AI also links William Jamieson to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William Blake Jamieson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Jamieson practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - Mercy San Juan Medical Center | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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William Blake Jamieson is one of 11,482 physician assistants in California
Physician assistant is William Jamieson's primary specialty in the NPI Registry, under taxonomy code 363A00000X.
Specialties and state licenses
- Physician assistantPrimary
Clinical focus
Dmand AI lists arthritis, bursitis, joint pain, lower back pain and nerve damage among the conditions William Jamieson treats.
Physician assistants near William Jamieson
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 Blake Jamieson billed Medicare for 179 services in 2024
CMS data shows 179 Medicare services from William Jamieson across 5 procedure codes in 2024, for 190 Medicare patients. Medicare paid $20,423 for them. Every service was in a facility, such as a hospital, rather than an office.
William Jamieson compared with the California median for physician assistants, 2024
- William Jamieson
- California median
- Medicare services
- 179vs 20412% below
- Medicare patients
- 190vs 10581% above
- Part D claims
- 513vs 2432.1 times
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
William Jamieson'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 William Jamieson and other physician assistants in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
William Blake Jamieson treated 190 Medicare patients in 2024, average age 74
CMS counts 190 Medicare patients who saw William Jamieson in 2024. The largest group is 65 to 74, with 98 patients. 75% of them have arthritis, and 75% have high cholesterol. 12% are also on Medicaid. Their average risk score is 0.95, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts William Jamieson's median patient age at 52, with 70% women.
William Jamieson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
William Jamieson's Medicare patients by sex, 2024
- Women12365%
- Men6735%
Chronic conditions among William Jamieson's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure70%
- Mood disorders30%
- Depression28%
- Anxiety23%
- Diabetes23%
- Chronic kidney disease17%
Share of Medicare patients with each condition. A patient can have several.
William Jamieson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 52
Patient panel by sex, all payers
- Women70%
- Men29%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
William Blake Jamieson wrote 565 Medicare Part D claims in 2024
In 2024, William Jamieson wrote 565 Medicare Part D claims for 193 patients. 99% of them were for generic drugs. CMS names the drug for 513 of them, across 6 drugs with 11 or more claims each, at $3,339 in total drug cost.
William Jamieson's Part D claims by kind of drug, 2024
- Generic557 claims99%
- Brand-name and other8 claims1%
William Jamieson'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 William Jamieson's Part D claims, 2024
- Opioids60%338 of 565 claims
- Antibiotics33%189 of 565 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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 William Blake Jamieson takes part in Medicare
William Jamieson 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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William Blake Jamieson received $383 in industry payments from 2024 to 2025
CMS Open Payments shows 4 general payments to William Jamieson from 4 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Medtronic, Inc. paid the most, $145.
General payments to William Jamieson by program year, 2024 to 2025
Companies that paid William Jamieson the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for William Blake Jamieson'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 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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 William Blake Jamieson
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 Blake Jamieson's NPI number?
William Blake Jamieson's NPI number is 1326702077. It was assigned on October 28, 2021, and it is active in the NPI Registry.
What does William Blake Jamieson specialize in?
William Blake Jamieson is a physician assistant in Carmichael, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does William Blake Jamieson practice?
William Jamieson practices at 6501 Coyle Ave, Carmichael, CA 95608. William Jamieson's primary practice is Dignity Health - Mercy San Juan Medical Center in Carmichael, California, part of CommonSpirit Health. Dmand AI also links William Jamieson to 2 hospitals and 1 group practice or clinic.
What is William Blake Jamieson's office phone number?
The practice phone on file for William Jamieson is (916) 537-5000.
Which hospitals is William Blake Jamieson affiliated with?
William Jamieson practices at Dignity Health - Mercy San Juan Medical Center in Carmichael, California. William Jamieson is also affiliated with Sutter Roseville Medical Center. Dmand AI links William Jamieson to 2 more hospitals.
What medical group is William Blake Jamieson part of?
William Jamieson is linked to Physician Assistant Surgical Assist Inc.
Does William Blake Jamieson accept Medicare?
Yes. CMS data shows William Jamieson billed Medicare for 179 services in 2024, and William Jamieson accepts Medicare assignment.
How many Medicare patients does William Blake Jamieson see?
CMS counts 190 Medicare patients who saw William Jamieson in 2024, with an average age of 74.
What services does William Blake Jamieson bill to Medicare?
In 2024, William Jamieson's most billed Medicare services were surgery: bones and joints (27447), surgery: bones and joints (27130) and surgery: bones and joints (20985).
What drugs does William Blake Jamieson prescribe most?
In 2024 Medicare Part D data, William Jamieson's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Amoxicillin and Tramadol HCl.
Has William Blake Jamieson received payments from drug or device companies?
CMS Open Payments shows $383 in general payments to William Jamieson from 4 companies from 2024 to 2025. The largest total came from Medtronic, Inc.
How long has William Blake Jamieson been practicing?
William Jamieson graduated from medical school in 2021, 5 years ago.
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