Diana J. McFarlane, PA-C
Medical Physician Assistant · Seattle, WA
Diana J. McFarlane, PA-C is a medical physician assistant with a practice address in Seattle, Washington, and NPI 1336113885, issued on Feb 13, 2006. Check the license (Washington PA10004893, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Diana J. McFarlane
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA10004893 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1100 9TH Ave, Seattle, WA 98101
- Phone
- (206) 223-2319
- Enumerated
- Feb 13, 2006
- Record last updated
- Dec 31, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (206) 341-1330
- Medicaid IDs
- 7841604 WA
1336113885 MT
8439747 WA - Medicare enrollment
- Enrolled (PECOS I20051116001039); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 1,068 in Washington → Look up another NPI →
Also registered at 1100 9TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Steven Adler, MDDiagnostic Ultrasound Physician1639108046
Verify Diana J. McFarlane in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA10004893Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
14% more Medicare Part D claims than the average medical physician assistant in 2024
1,314 Medicare Part D claims for 194 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.
Most prescribed
- Omeprazole114 claims
- Linzess112 claims
- Ondansetron Odt94 claims
- Promethazine Hcl81 claims
- Dicyclomine Hcl61 claims
- Creon57 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $45,509.11
42 payments; by number, the most common kind was food and beverage; the largest payer was Enterra Medical, Inc. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Virginia Mason Medical CenterSeattle, WA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Diana J. McFarlane among 1,068 medical physician assistant records in Washington
Diana J. McFarlane, PA-C is one of 1,068 medical physician assistant records with a practice address in Washington. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 68% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2005 · median 2013 among the 581 with a school on file
- Record last updated2012 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Washington
There are 1,068 medical physician assistant records in Washington.
All 1,068 in Washington → Every provider in Seattle → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Tatiana AronSeattle, WA 981011023415817
- Curt Doty, PA-CSeattle, WA 981011699882944
- Amy Ellsworth, PACSeattle, WA 981011487908786
- Kimberly EricksonSeattle, WA 981011134551385
- Sara Helvestine, PA-CSeattle, WA 981011417304650
- James Hunter, PA-CSeattle, WA 981011063623791
- Matthew Klock, PA-CSeattle, WA 981011740812791
- Amy Lavaveshkul, P.A.-CSeattle, WA 981011295145969
Common questions
What is Diana J. McFarlane, PA-C's NPI number?
Diana J. McFarlane, PA-C's National Provider Identifier (NPI) is 1336113885, issued on Feb 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Diana J. McFarlane, PA-C located?
The NPPES record lists a practice address at 1100 9TH Ave, Seattle, WA, 98101. Phone: (206) 223-2319. Providers update this record themselves, so call before visiting.
How can I verify Diana J. McFarlane, PA-C's license?
NPPES lists Washington license number PA10004893, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Diana J. McFarlane, PA-C prescribe under Medicare Part D?
In 2024, Diana J. McFarlane, PA-C had 1,314 Medicare Part D claims for 194 beneficiaries; the average among medical physician assistant prescribers was 1,148. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.