Wendy J. Johnston, PA-C
- Medicare patients, 2024
- 174
- Part D claims, 2024
- 105
- MIPS score, 2024
- 98
- Hospital affiliations
- 4
- Medical groups
- 2
- Practice address
- 22 Bramhall St, Portland, ME 04102
- Practice phone
- Call (207) 662-0111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Wendy Johnston'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.
Wendy J. Johnston is a surgical physician assistant in Portland, Maine
Wendy Johnston practices at MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth.
Wendy Johnston's NPI, 1427093491, was assigned on June 16, 2006. Wendy Johnston holds Maine license PA-539.
- NPI
- 1427093491NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547353609
- NPI enumeration date
- June 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (207) 662-0111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 57
- Medical school graduation
- 1995
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Wendy J. Johnston practices at MaineHealth Maine Medical Center in Portland, Maine
Wendy Johnston's primary practice is MaineHealth Maine Medical Center, at 22 Bramhall St, Portland, ME 04102 in Cumberland County. The practice phone is (207) 662-0111.
- MaineHealth Maine Medical Center22 Bramhall St, Portland, ME 04102 · Cumberland CountyPhone(207) 662-0111
Source: Dmand AI Affiliation Data
Wendy J. Johnston is affiliated with 6 sites of care and 2 medical groups
Wendy Johnston's primary practice is MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth. Wendy Johnston is also affiliated with MaineGeneral Medical Center. The medical group on file is MaineHealth Primary Care - Family Medicine - Portland. Dmand AI also links Wendy Johnston to 2 more hospitals, 2 group practices and clinics and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Wendy J. Johnston's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Wendy Johnston practices, 6 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MaineHealth Maine Medical Center | Available with a free account |
| +5 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Wendy J. Johnston is one of 183 surgical physician assistants in Maine
Surgical is Wendy Johnston's primary specialty in the NPI Registry, under taxonomy code 363AS0400X. Wendy Johnston is licensed in Maine.
Specialties and state licenses
- Surgical physician assistant, MainePrimary
Surgical physician assistants near Wendy Johnston
Counts of surgical 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
Wendy J. Johnston treated 174 Medicare patients in 2024, average age 79
CMS counts 174 Medicare patients who saw Wendy Johnston in 2024. The largest group is 75 to 84, with 67 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 22% are also on Medicaid. Their average risk score is 1.71, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Wendy Johnston's median patient age at 75, with 56% women.
Wendy Johnston's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Wendy Johnston's Medicare patients by sex, 2024
- Women11466%
- Men6034%
Chronic conditions among Wendy Johnston's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis70%
- Osteoporosis52%
- Anxiety44%
- Mood disorders44%
- Depression40%
- Ischemic heart disease32%
Share of Medicare patients with each condition. A patient can have several.
Wendy Johnston's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 75
Patient panel by sex, all payers
- Women56%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Wendy J. Johnston wrote 105 Medicare Part D claims in 2024
In 2024, Wendy Johnston wrote 105 Medicare Part D claims for 74 patients. 100% of them were for generic drugs.
Drug classes CMS tracks in Wendy Johnston's Part D claims, 2024
- Opioids33%35 of 105 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
Wendy J. Johnston scored 98 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 98 out of 100 for Wendy Johnston for performance year 2024, reported through an alternative payment model (APM). Wendy Johnston accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Wendy Johnston as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Wendy Johnston's MIPS scores, performance year 2024
- 98of 100Final score
- 83.3of 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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Sources for Wendy J. Johnston'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 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) |
| 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 Wendy J. Johnston
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Wendy J. Johnston's NPI number?
Wendy J. Johnston's NPI number is 1427093491. It was assigned on June 16, 2006, and it is active in the NPI Registry.
What does Wendy J. Johnston specialize in?
Wendy J. Johnston is a surgical physician assistant in Portland, Maine. The primary specialty in the NPI Registry is Surgical Physician Assistant (taxonomy code 363AS0400X).
Where does Wendy J. Johnston practice?
Wendy Johnston practices at 22 Bramhall St, Portland, ME 04102. Wendy Johnston's primary practice is MaineHealth Maine Medical Center in Portland, Maine, part of MaineHealth. Dmand AI also links Wendy Johnston to 2 hospitals, 2 group practices and clinics and 1 medical group.
What is Wendy J. Johnston's office phone number?
The practice phone on file for Wendy Johnston is (207) 662-0111.
What is Wendy J. Johnston's medical license number?
Wendy Johnston holds Maine license PA-539.
Which hospitals is Wendy J. Johnston affiliated with?
Wendy Johnston practices at MaineHealth Maine Medical Center in Portland, Maine. Wendy Johnston is also affiliated with MaineGeneral Medical Center. Dmand AI links Wendy Johnston to 2 more hospitals.
What medical group is Wendy J. Johnston part of?
Wendy Johnston is linked to MaineHealth Primary Care - Family Medicine - Portland. Dmand AI links Wendy Johnston to 1 more medical group.
Does Wendy J. Johnston accept Medicare?
Yes. CMS lists Wendy Johnston as accepting Medicare assignment.
Does Wendy J. Johnston offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Wendy Johnston as offering telehealth services.
What is Wendy J. Johnston's MIPS score?
Wendy Johnston's MIPS final score for performance year 2024 is 98 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Wendy J. Johnston see?
CMS counts 174 Medicare patients who saw Wendy Johnston in 2024, with an average age of 79.
How long has Wendy J. Johnston been practicing?
Wendy Johnston graduated from medical school in 1995, 31 years ago.
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