Jason D. Washington, PA-C
- Part D claims, 2024
- 243
- Hospital affiliations
- 2
- Industry payments
- $889
- Medical groups
- 9
- State license
- 1
- Practice address
- 250 Bon Air Road, Greenbrae, CA 94904
- Practice phone
- Call (415) 925-7900
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Jason Washington'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.
Jason D. Washington is a physician assistant in Greenbrae, California
Jason Washington practices at MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District.
Jason Washington's NPI, 1457503526, was assigned on October 21, 2008. Jason Washington holds California license 53124.
- NPI
- 1457503526NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3375606338
- NPI enumeration date
- October 21, 2008
- NPI status
- Active
- Practice phone
- (415) 925-7900
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 44
- Medical school graduation
- 2008
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Jason D. Washington practices at MarinHealth Medical Center in Greenbrae, California
Jason Washington's primary practice is MarinHealth Medical Center, at 250 Bon Air Road, Greenbrae, CA 94904 in Marin County. The practice phone is (415) 925-7900.
- MarinHealth Medical Center250 Bon Air Road, Greenbrae, CA 94904 · Marin CountyPhone(415) 925-7900
Source: Dmand AI Affiliation Data
Jason D. Washington is affiliated with 2 sites of care and 9 medical groups
Jason Washington's primary practice is MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District. Jason Washington is also affiliated with Stanford Hospital at 300 Pasteur Drive. The medical group on file is UCSF Pediatrics. Dmand AI also links Jason Washington to 8 more medical groups, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Jason D. Washington's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Jason Washington practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MarinHealth Medical Center | Available with a free account |
| +1 more site and 8 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dmand AI maps EHR vendors, IT decision makers and buying committees across Marin Healthcare District and 6.2K+ hospitals, with verified contacts in the same login.
Jason D. Washington is one of 11,482 physician assistants in California
Physician assistant is Jason Washington's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Jason Washington is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA). Jason Washington is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Jason Washington
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
Jason D. Washington's patients have a median age of 63
Across all payers, Dmand AI patient panel data puts Jason Washington's median patient age at 63, with 28% women.
Jason Washington's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 63
Patient panel by sex, all payers
- Women28%
- Men69%
Source: Dmand AI Patient Panel Data
Jason D. Washington wrote 243 Medicare Part D claims in 2024
In 2024, Jason Washington wrote 243 Medicare Part D claims for 68 patients. 93% of them were for generic drugs. CMS names the drug for 142 of them, across 7 drugs with 11 or more claims each, at $409 in total drug cost.
Jason Washington's Part D claims by kind of drug, 2024
- Generic225 claims93%
- Brand-name18 claims7%
Jason Washington'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 Jason Washington's Part D claims, 2024
- Opioids20%48 of 243 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
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Jason D. Washington received $889 in industry payments from 2024 to 2025
CMS Open Payments shows 16 general payments to Jason Washington from 4 drug and device companies from 2024 to 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $549.
General payments to Jason Washington by program year, 2024 to 2025
Companies that paid Jason Washington the most, 2024 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Jason D. Washington is board certified in certified physician assistant
- Board certified in certified physician assistant
Source: Dmand AI Professional Profile Data
Sources for Jason D. Washington'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 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 Jason D. Washington
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Jason D. Washington's NPI number?
Jason D. Washington's NPI number is 1457503526. It was assigned on October 21, 2008, and it is active in the NPI Registry.
What does Jason D. Washington specialize in?
Jason D. Washington is a physician assistant in Greenbrae, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Jason D. Washington practice?
Jason Washington practices at 250 Bon Air Road, Greenbrae, CA 94904. Jason Washington's primary practice is MarinHealth Medical Center in Greenbrae, California, part of Marin Healthcare District. Dmand AI also links Jason Washington to 8 medical groups.
What is Jason D. Washington's office phone number?
The practice phone on file for Jason Washington is (415) 925-7900.
What is Jason D. Washington's medical license number?
Jason Washington holds California license 53124.
Which hospitals is Jason D. Washington affiliated with?
Jason Washington practices at MarinHealth Medical Center in Greenbrae, California. Jason Washington is also affiliated with Stanford Hospital at 300 Pasteur Drive.
What medical group is Jason D. Washington part of?
Jason Washington is linked to UCSF Pediatrics. Dmand AI links Jason Washington to 8 more medical groups.
Is Jason D. Washington board certified?
Yes. Jason Washington is board certified in certified physician assistant by the National Commission on Certification of Physician Assistants (NCCPA).
What drugs does Jason D. Washington prescribe most?
In 2024 Medicare Part D data, Jason Washington's most prescribed drugs by claims were Oxycodone HCl, Furosemide and Metoprolol Tartrate.
Has Jason D. Washington received payments from drug or device companies?
CMS Open Payments shows $889 in general payments to Jason Washington from 4 companies from 2024 to 2025. The largest total came from Abbott Laboratories.
How long has Jason D. Washington been practicing?
Jason Washington graduated from medical school in 2008, 18 years ago.
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