Heather Dawn Farmer, MMS, PA-C
Medical Physician Assistant · Clackamas, OR
Heather Dawn Farmer, MMS, PA-C is a medical physician assistant with a practice address in Clackamas, Oregon, and NPI 1508197948, issued on Jan 25, 2010. Check the license (Oregon PA156605, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Heather Dawn Farmer
- Credential
- MMS, PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA156605 OR
Self-reported in NPPES; status is on the state search - Practice location
- 10100 SE Sunnyside RD, Clackamas, OR 97015
- Phone
- (800) 813-2000
- Enumerated
- Jan 25, 2010
- Record last updated
- Dec 22, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20111227000185); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 699 in Oregon → Look up another NPI →
Also registered at 10100 SE Sunnyside RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Michael Armstrong, DOInternal Medicine Physician1740742337
- Dana Bailey, PTPhysical Therapist1821109232
Verify Heather Dawn Farmer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license PA156605Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57% fewer Medicare Part D claims than the average medical physician assistant in 2024
495 Medicare Part D claims for 169 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. 87 claims were for opioids.
Most prescribed
- Clopidogrel68 claims
- Hydralazine Hcl31 claims
- Oxycodone Hcl28 claims
- Brilinta25 claims
- Oxycodone-Acetaminophen25 claims
- Gabapentin20 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: $115.72
1 payment: food and beverage; the largest payer was Silk Road 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.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF The NorthwestClackamas, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Heather Dawn Farmer among 699 medical physician assistant records in Oregon
Heather Dawn Farmer, MMS, PA-C is one of 699 medical physician assistant records with a practice address in Oregon. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 41% of them.
- NPI issued2010 · 41% of these records are older, 56% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 73% of these records are
- Graduated2011 · median 2014 among the 508 with a school on file
- Record last updated2021 · 52% 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 Oregon 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 Oregon
There are 699 medical physician assistant records in Oregon.
All 699 in Oregon → Every provider in Clackamas → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Natalie Baxter, PA-CClackamas, OR 970151265675599
- Jaimie Caiazzo, PAClackamas, OR 970151891018461
- Laura Dougherty, P.A.Clackamas, OR 970151316913387
- Dale FossatiClackamas, OR 970151023121118
- Aubrey Joslin, PA-CClackamas, OR 970151740204627
- Jennifer Krahn, PA-CClackamas, OR 970151548589625
- Claudio Lima, P.A.Clackamas, OR 970151477685022
- Linda Onheiber, PA-CClackamas, OR 970151346340106
Common questions
What is Heather Dawn Farmer, MMS, PA-C's NPI number?
Heather Dawn Farmer, MMS, PA-C's National Provider Identifier (NPI) is 1508197948, issued on Jan 25, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Heather Dawn Farmer, MMS, PA-C located?
The NPPES record lists a practice address at 10100 SE Sunnyside RD, Clackamas, OR, 97015. Phone: (800) 813-2000. Providers update this record themselves, so call before visiting.
How can I verify Heather Dawn Farmer, MMS, PA-C's license?
NPPES lists Oregon license number PA156605, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Heather Dawn Farmer, MMS, PA-C prescribe under Medicare Part D?
In 2024, Heather Dawn Farmer, MMS, PA-C had 495 Medicare Part D claims for 169 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.