Dr. Lois Christine Johnson, MD
- Part D claims, 2024
- 511
- Hospital affiliations
- 1
- Industry payments
- $23
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 275 Hospital Drive, Ukiah, CA 95482
- Practice phone
- Call (707) 462-3111
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Lois Christine Johnson is an internist in Ukiah, California
Dr. Johnson practices at Adventist Health Ukiah Valley in Ukiah, California, part of Adventist Health.
Dr. Johnson's NPI, 1326150053, was assigned on August 31, 2006. Dr. Johnson graduated from UNR Med in 1984. Dr. Johnson holds California license G55518.
- NPI
- 1326150053NPI Registry (opens in a new tab)
- NPI enumeration date
- August 31, 2006
- NPI status
- Active
- Practice phone
- (707) 462-3111
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Medical school graduation
- 1984
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Lois Christine Johnson practices at Adventist Health Ukiah Valley in Ukiah, California
Dr. Johnson's primary practice is Adventist Health Ukiah Valley, at 275 Hospital Drive, Ukiah, CA 95482 in Mendocino County. The practice phone is (707) 462-3111.
- Adventist Health Ukiah Valley275 Hospital Drive, Ukiah, CA 95482 · Mendocino CountyPhone(707) 462-3111
Source: Dmand AI Affiliation Data
Dr. Lois Christine Johnson is affiliated with 1 site of care
Dr. Johnson's primary practice is Adventist Health Ukiah Valley in Ukiah, California, part of Adventist Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Lois Christine Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Johnson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Adventist Health Ukiah Valley | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Adventist Health and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Lois Christine Johnson is one of 16,751 internists in California
Internal medicine is Dr. Johnson's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Johnson is board certified in internal medicine by the American Board of Internal Medicine. Dr. Johnson is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Johnson
Counts of internists 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
Dr. Lois Christine Johnson's patients have a median age of 74
Across all payers, Dmand AI patient panel data puts Dr. Johnson's median patient age at 74, with 73% women.
Dr. Johnson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 74
Patient panel by sex, all payers
- Women73%
- Men27%
Source: Dmand AI Patient Panel Data
Dr. Lois Christine Johnson wrote 511 Medicare Part D claims in 2024
In 2024, Dr. Johnson wrote 511 Medicare Part D claims for 53 patients. 84% of them were for generic drugs. CMS names the drug for 281 of them, across 12 drugs with 11 or more claims each, at $6,478 in total drug cost. In 2023, CMS named 446 claims across 20 drugs.
Dr. Johnson's Part D claims by kind of drug, 2024
- Generic427 claims84%
- Brand-name67 claims13%
- Other17 claims3%
Dr. Johnson's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Johnson's Part D claims, 2024
- Opioids9%44 of 511 claims
- Antibiotics4%19 of 511 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 4462024: 28137%
Drugs named by CMS: 12 in 2024, 20 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Lois Christine Johnson received $23 in industry payments in 2024
CMS Open Payments shows 1 general payment to Dr. Johnson from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Novo Nordisk Inc paid the most, $23.
Companies that paid Dr. Johnson the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Lois Christine Johnson graduated from UNR Med
Dr. Johnson graduated from UNR Med in 1984.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Lois Christine Johnson'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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 Dr. Lois Christine Johnson
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Lois Christine Johnson's NPI number?
Dr. Lois Christine Johnson's NPI number is 1326150053. It was assigned on August 31, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Lois Christine Johnson?
Dr. Lois Christine Johnson is an internist in Ukiah, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Lois Christine Johnson practice?
Dr. Johnson practices at 275 Hospital Drive, Ukiah, CA 95482. Dr. Johnson's primary practice is Adventist Health Ukiah Valley in Ukiah, California, part of Adventist Health.
What is Dr. Lois Christine Johnson's office phone number?
The practice phone on file for Dr. Johnson is (707) 462-3111.
What is Dr. Lois Christine Johnson's medical license number?
Dr. Johnson holds California license G55518.
Which hospitals is Dr. Lois Christine Johnson affiliated with?
Dr. Johnson practices at Adventist Health Ukiah Valley in Ukiah, California.
Is Dr. Lois Christine Johnson board certified?
Yes. Dr. Johnson is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Lois Christine Johnson go to medical school?
Dr. Johnson graduated from UNR Med in 1984.
What drugs does Dr. Lois Christine Johnson prescribe most?
In 2024 Medicare Part D data, Dr. Johnson's most prescribed drugs by claims were Levothyroxine Sodium, Morphine Sulfate ER and Naltrexone HCl.
Has Dr. Lois Christine Johnson received payments from drug or device companies?
CMS Open Payments shows $23 in general payments to Dr. Johnson from 1 company from 2024 to 2024. The largest total came from Novo Nordisk Inc.
How long has Dr. Lois Christine Johnson been practicing?
Dr. Johnson graduated from medical school in 1984, 42 years ago.
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