Amy D. Littlejohn, PA-C
- Medicare patients, 2024
- 247
- Part D claims, 2024
- 1,679
- MIPS score, 2024
- 100
- Hospital affiliations
- 3
- Industry payments
- $66
- Practice address
- 3355 Riverbend Dr, Springfield, OR 97477
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Day Surgery at Riverbend - HOPD
Acute Care Hospital outpatient department · Springfield, Oregon
Find Amy Littlejohn'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.
Amy D. Littlejohn is a physician assistant in Springfield, Oregon
Amy Littlejohn practices at Day Surgery at Riverbend - HOPD in Springfield, Oregon.
Amy Littlejohn's NPI, 1902884497, was assigned on January 4, 2006. Amy Littlejohn holds Oregon license PA00999.
- NPI
- 1902884497NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0345298139
- NPI enumeration date
- January 4, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Amy D. Littlejohn practices at Day Surgery at Riverbend - HOPD in Springfield, Oregon
Amy Littlejohn's primary practice is Day Surgery at Riverbend - HOPD, at 3355 Riverbend Dr, Springfield, OR 97477.
- Day Surgery at Riverbend - HOPD3355 Riverbend Dr, Springfield, OR 97477
Source: Dmand AI Affiliation Data
Amy D. Littlejohn is affiliated with 5 sites of care and 1 medical group
Amy Littlejohn's primary practice is Day Surgery at Riverbend - HOPD in Springfield, Oregon. Amy Littlejohn is also affiliated with McKenzie-Willamette Medical Center. The medical group on file is Eugene Gastroenterology Consultants. Dmand AI also links Amy Littlejohn to 2 more hospitals and 1 group practice or clinic, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Amy D. Littlejohn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Amy Littlejohn practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Day Surgery at Riverbend - HOPD | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Amy D. Littlejohn is one of 1,937 physician assistants in Oregon
Physician assistant is Amy Littlejohn's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Amy Littlejohn is licensed in Oregon.
Specialties and state licenses
- Physician assistant, OregonPrimary
Physician assistants near Amy Littlejohn
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
Amy D. Littlejohn treated 247 Medicare patients in 2024, average age 71
CMS counts 247 Medicare patients who saw Amy Littlejohn in 2024. The largest group is 65 to 74, with 129 patients. 64% of them have high blood pressure, and 64% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.29, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Amy Littlejohn's median patient age at 60, with 68% women.
Amy Littlejohn's Medicare patients by age, 2024
Amy Littlejohn's Medicare patients by sex, 2024
- Women15563%
- Men9237%
Chronic conditions among Amy Littlejohn's Medicare patients, 2024
- High blood pressure64%
- High cholesterol64%
- Arthritis46%
- Mood disorders30%
- Anxiety29%
- Depression28%
- Diabetes21%
- Chronic kidney disease19%
Share of Medicare patients with each condition. A patient can have several.
Amy Littlejohn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women68%
- Men32%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Amy D. Littlejohn wrote 1,679 Medicare Part D claims in 2024
In 2024, Amy Littlejohn wrote 1,679 Medicare Part D claims for 338 patients. 76% of them were for generic drugs.
Amy Littlejohn's Part D claims by kind of drug, 2024
- Generic1,275 claims76%
- Brand-name404 claims24%
Drug classes CMS tracks in Amy Littlejohn's Part D claims, 2024
- Antibiotics3%48 of 1,679 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Amy D. Littlejohn scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Amy Littlejohn for performance year 2024, reported as part of a group. Amy Littlejohn accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Amy Littlejohn as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Amy Littlejohn's MIPS scores, performance year 2024
- 100of 100Final score
- 96.7of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Amy D. Littlejohn received $66 in industry payments in 2025
CMS Open Payments shows 3 general payments to Amy Littlejohn from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Aimmune Therapeutics, Inc. paid the most, $23.
Companies that paid Amy Littlejohn the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Amy D. Littlejohn'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 Data |
| 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 (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)Clinician Public Reporting: Overall MIPS Performance (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 Amy D. Littlejohn
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Amy D. Littlejohn's NPI number?
Amy D. Littlejohn's NPI number is 1902884497. It was assigned on January 4, 2006, and it is active in the NPI Registry.
What does Amy D. Littlejohn specialize in?
Amy D. Littlejohn is a physician assistant in Springfield, Oregon. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Amy D. Littlejohn practice?
Amy Littlejohn practices at 3355 Riverbend Dr, Springfield, OR 97477. Amy Littlejohn's primary practice is Day Surgery at Riverbend - HOPD in Springfield, Oregon. Dmand AI also links Amy Littlejohn to 2 hospitals and 1 group practice or clinic.
What is Amy D. Littlejohn's medical license number?
Amy Littlejohn holds Oregon license PA00999.
Which hospitals is Amy D. Littlejohn affiliated with?
Amy Littlejohn is affiliated with McKenzie-Willamette Medical Center. Dmand AI links Amy Littlejohn to 2 more hospitals.
What medical group is Amy D. Littlejohn part of?
Amy Littlejohn is linked to Eugene Gastroenterology Consultants.
Does Amy D. Littlejohn accept Medicare?
Yes. CMS lists Amy Littlejohn as accepting Medicare assignment.
Does Amy D. Littlejohn offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Amy Littlejohn as offering telehealth services.
What is Amy D. Littlejohn's MIPS score?
Amy Littlejohn's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
How many Medicare patients does Amy D. Littlejohn see?
CMS counts 247 Medicare patients who saw Amy Littlejohn in 2024, with an average age of 71.
Has Amy D. Littlejohn received payments from drug or device companies?
CMS Open Payments shows $66 in general payments to Amy Littlejohn from 3 companies from 2025 to 2025. The largest total came from Aimmune Therapeutics, Inc.
How long has Amy D. Littlejohn been practicing?
Amy Littlejohn graduated from medical school in 2004, 22 years ago.
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