Amy D. Littlejohn, PA-C
Physician Assistant · Springfield, OR
Amy D. Littlejohn, PA-C is a physician assistant with a practice address in Springfield, Oregon, and NPI 1902884497, issued on Jan 4, 2006. Check the license (Oregon PA00999, as entered in NPPES) with the Oregon board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Amy D. Littlejohn
- Credential
- PA-C
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- PA00999 OR
Self-reported in NPPES; status is on the state search - Practice location
- 3355 Riverbend Dr Ste 500, Springfield, OR 97477
- Phone
- (541) 868-9500
- Enumerated
- Jan 4, 2006
- Record last updated
- Jul 21, 2022
- Fax
- (541) 685-5920
- Medicare enrollment
- Enrolled (PECOS I20050107000905); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 2,094 in Oregon → Look up another NPI →
Also registered at 3355 Riverbend Dr Ste 500
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Erica Donnan, MDGastroenterology Physician1396087912
- Brittney Farrior, PA-CPhysician Assistant1588057293
- April Fuller, ANPNurse Practitioner1548691561
- Karen Gibbs, NP-CFamily Nurse Practitioner1912451998
- Nathan Holman, MDGastroenterology Physician1386082386
Verify Amy D. Littlejohn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Oregon board licenses this profession
Search for license PA00999Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average physician assistant in 2024
1,679 Medicare Part D claims for 338 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Omeprazole322 claims
- Famotidine137 claims
- Linzess128 claims
- Pantoprazole Sodium105 claims
- Lactulose65 claims
- Nortriptyline Hcl60 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: $173.87
4 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 64,719 providers of this specialty with any payment received $841.65 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
- Eugene Gastroenterology Consultants PCSpringfield, OR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Amy D. Littlejohn among 2,094 physician assistant records in Oregon
Amy D. Littlejohn, PA-C is one of 2,094 physician assistant records with a practice address in Oregon. 85% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 84% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2004 · median 2017 among the 1,552 with a school on file
- Record last updated2022 · 37% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Oregon practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
98 physician assistant records list a practice address in Springfield
They are 98 of the 2,209 NPPES records with a practice address in Springfield, and 2,094 physician assistant records in Oregon.
All 2,094 in Oregon → Every provider in Springfield → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Patrick Basco, P.A.Springfield, OR 974771215041934
- John Huntington, PACSpringfield, OR 974771558312652
- Lisa Ingold, PA-CSpringfield, OR 974771538147053
- Chad Jorgensen, PACSpringfield, OR 974771649330846
- James Kahler, PASpringfield, OR 974771710962287
- Marvin McAllister, PA-CSpringfield, OR 974771659489722
- Sarah Reading, PA-CSpringfield, OR 974771356452031
- Melissa Salazar, PACSpringfield, OR 974771366484602
Common questions
What is Amy D. Littlejohn, PA-C's NPI number?
Amy D. Littlejohn, PA-C's National Provider Identifier (NPI) is 1902884497, issued on Jan 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Amy D. Littlejohn, PA-C located?
The NPPES record lists a practice address at 3355 Riverbend Dr Ste 500, Springfield, OR, 97477. Phone: (541) 868-9500. Providers update this record themselves, so call before visiting.
How can I verify Amy D. Littlejohn, PA-C's license?
NPPES lists Oregon license number PA00999, as entered by the provider. Search the Oregon board that licenses this profession; the NPPES record confirms identity only.
How much does Amy D. Littlejohn, PA-C prescribe under Medicare Part D?
In 2024, Amy D. Littlejohn, PA-C had 1,679 Medicare Part D claims for 338 beneficiaries; the average among physician assistant prescribers was 830. 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.