Karlee Barnes Johnson, PA-C
- Part D claims, 2024
- 129
- Hospital affiliations
- 2
- Industry payments
- $176
- Medical group
- 1
- State license
- 1
- Practice address
- 1199 Bush St, San Francisco, CA 94109
- Practice phone
- Call (415) 550-0811
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Altais Medical Group
San Francisco, California
Find Karlee Johnson'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.
Karlee Barnes Johnson is a physician assistant in San Francisco, California
Karlee Johnson practices at Altais Medical Group in San Francisco, California.
Karlee Johnson's NPI, 1093290520, was assigned on October 1, 2018.
- NPI
- 1093290520NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2668869975
- NPI enumeration date
- October 1, 2018
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (415) 550-0811
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Karlee Barnes Johnson practices at Altais Medical Group in San Francisco, California
Karlee Johnson's primary practice is Altais Medical Group, at 1199 Bush St, San Francisco, CA 94109 in San Francisco County. The practice phone is (415) 550-0811.
- Altais Medical Group1199 Bush St, San Francisco, CA 94109 · San Francisco CountyPhone(415) 550-0811
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Karlee Barnes Johnson is affiliated with 4 sites of care and 1 medical group
Karlee Johnson's primary practice is Altais Medical Group in San Francisco, California. Karlee Johnson is also affiliated with California Pacific Medical Center Van Ness Campus. The medical group on file is Palo Alto Foundation Medical Group. Dmand AI also links Karlee Johnson to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Karlee Barnes Johnson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Karlee Johnson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Altais Medical Group | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Karlee Barnes Johnson is one of 11,482 physician assistants in California
Physician assistant is Karlee Johnson's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Karlee Johnson has a license on file in California.
Specialties and state licenses
- Internal medicine, California
Physician assistants near Karlee Johnson
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
Karlee Barnes Johnson's patients have a median age of 37
Across all payers, Dmand AI patient panel data puts Karlee Johnson's median patient age at 37, with 95% women.
Karlee 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 37
Patient panel by sex, all payers
- Women95%
- Men1%
Source: Dmand AI Patient Panel Data
Karlee Barnes Johnson wrote 129 Medicare Part D claims in 2024
In 2024, Karlee Johnson wrote 129 Medicare Part D claims for 65 patients. 84% of them were for generic drugs.
Karlee Johnson's Part D claims by kind of drug, 2024
- Generic109 claims84%
- Brand-name20 claims16%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Karlee Barnes Johnson takes part in Medicare
Karlee Johnson accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Karlee Barnes Johnson received $176 in industry payments in 2025
CMS Open Payments shows 7 general payments to Karlee Johnson from 6 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $54.
Companies that paid Karlee Johnson 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 Karlee Barnes 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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 Karlee Barnes 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 Karlee Barnes Johnson's NPI number?
Karlee Barnes Johnson's NPI number is 1093290520. It was assigned on October 1, 2018, and it is active in the NPI Registry.
What does Karlee Barnes Johnson specialize in?
Karlee Barnes Johnson is a physician assistant in San Francisco, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Karlee Barnes Johnson practice?
Karlee Johnson practices at 1199 Bush St, San Francisco, CA 94109. Karlee Johnson's primary practice is Altais Medical Group in San Francisco, California. Dmand AI also links Karlee Johnson to 1 hospital and 1 group practice or clinic.
What is Karlee Barnes Johnson's office phone number?
The practice phone on file for Karlee Johnson is (415) 550-0811.
Which hospitals is Karlee Barnes Johnson affiliated with?
Karlee Johnson is affiliated with California Pacific Medical Center Van Ness Campus. Dmand AI links Karlee Johnson to 1 more hospital.
What medical group is Karlee Barnes Johnson part of?
Karlee Johnson is linked to Palo Alto Foundation Medical Group.
Does Karlee Barnes Johnson accept Medicare?
Yes. CMS lists Karlee Johnson as accepting Medicare assignment.
Has Karlee Barnes Johnson received payments from drug or device companies?
CMS Open Payments shows $176 in general payments to Karlee Johnson from 6 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Karlee Barnes Johnson been practicing?
Karlee Johnson graduated from medical school in 2018, 8 years ago.
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