Johnna Lee Keh, PA-C
- Medicare patients, 2024
- 166
- Part D claims, 2024
- 620
- Hospital affiliations
- 1
- Industry payments
- $106
- Medical groups
- 3
- Practice address
- 21311 Madrona Ave, Torrance, CA 90503
- Practice phone
- Call (310) 793-8075
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Providence Medical Institute - Torrance
Urgent Care Center · Torrance, California
Find Johnna Keh'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.
Johnna Lee Keh is a physician assistant in Torrance, California
Johnna Keh practices at Providence Medical Institute - Torrance in Torrance, California.
Johnna Keh's NPI, 1508009655, was assigned on April 18, 2009. Johnna Keh holds California license PA18700.
- NPI
- 1508009655NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1355497199
- NPI enumeration date
- April 18, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (310) 793-8075
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 46
- Medical school graduation
- 2006
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Johnna Lee Keh practices at Providence Medical Institute - Torrance in Torrance, California
Johnna Keh's primary practice is Providence Medical Institute - Torrance, at 21311 Madrona Ave, Torrance, CA 90503. The practice phone is (310) 793-8075.
- Providence Medical Institute - Torrance21311 Madrona Ave, Torrance, CA 90503Phone(310) 793-8075
Source: Dmand AI Affiliation Data
Johnna Lee Keh is affiliated with 4 sites of care and 3 medical groups
Johnna Keh's primary practice is Providence Medical Institute - Torrance in Torrance, California. Johnna Keh is also affiliated with Providence Saint Joseph Medical Center. The medical group on file is Providence Medical Institute. Dmand AI also links Johnna Keh to 2 more group practices and clinics and 2 medical groups, each named with a free account. Johnna Keh's employer is on file too: an urgent care center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Johnna Lee Keh's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Johnna Keh practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Providence Medical Institute - Torrance | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Johnna Lee Keh is one of 2,381 physician assistants in California
Medical is Johnna Keh's primary specialty in the NPI Registry, under taxonomy code 363AM0700X. Johnna Keh is licensed in California.
Specialties and state licenses
- Medical physician assistant, CaliforniaPrimary
Physician assistants near Johnna Keh
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
Johnna Lee Keh treated 166 Medicare patients in 2024, average age 79
CMS counts 166 Medicare patients who saw Johnna Keh in 2024. The largest group is 75 to 84, with 62 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 55% are also on Medicaid. Their average risk score is 2.63, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Johnna Keh's median patient age at 70, with 47% women.
Johnna Keh's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Johnna Keh's Medicare patients by sex, 2024
- Women7948%
- Men8752%
Chronic conditions among Johnna Keh's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Atrial fibrillation73%
- Heart failure67%
- Ischemic heart disease66%
- Arthritis64%
- Diabetes56%
- Chronic kidney disease54%
Share of Medicare patients with each condition. A patient can have several.
Johnna Keh's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women47%
- Men53%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Johnna Lee Keh wrote 620 Medicare Part D claims in 2024
In 2024, Johnna Keh wrote 620 Medicare Part D claims for 268 patients. 82% of them were for generic drugs.
Johnna Keh's Part D claims by kind of drug, 2024
- Generic506 claims82%
- Brand-name114 claims18%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Johnna Lee Keh takes part in Medicare
Johnna Keh 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)
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Johnna Lee Keh received $106 in industry payments in 2025
CMS Open Payments shows 5 general payments to Johnna Keh from 4 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. HeartFlow, Inc. paid the most, $41.
Companies that paid Johnna Keh 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 Johnna Lee Keh'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) |
| 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 Johnna Lee Keh
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Johnna Lee Keh's NPI number?
Johnna Lee Keh's NPI number is 1508009655. It was assigned on April 18, 2009, and it is active in the NPI Registry.
What does Johnna Lee Keh specialize in?
Johnna Lee Keh is a physician assistant in Torrance, California. The primary specialty in the NPI Registry is Medical Physician Assistant (taxonomy code 363AM0700X).
Where does Johnna Lee Keh practice?
Johnna Keh practices at 21311 Madrona Ave, Torrance, CA 90503. Johnna Keh's primary practice is Providence Medical Institute - Torrance in Torrance, California. Dmand AI also links Johnna Keh to 2 group practices and clinics and 2 medical groups.
What is Johnna Lee Keh's office phone number?
The practice phone on file for Johnna Keh is (310) 793-8075.
What is Johnna Lee Keh's medical license number?
Johnna Keh holds California license PA18700.
Which hospitals is Johnna Lee Keh affiliated with?
Johnna Keh is affiliated with Providence Saint Joseph Medical Center.
What medical group is Johnna Lee Keh part of?
Johnna Keh is linked to Providence Medical Institute. Dmand AI links Johnna Keh to 2 more medical groups.
Does Johnna Lee Keh accept Medicare?
Yes. CMS lists Johnna Keh as accepting Medicare assignment.
How many Medicare patients does Johnna Lee Keh see?
CMS counts 166 Medicare patients who saw Johnna Keh in 2024, with an average age of 79.
Has Johnna Lee Keh received payments from drug or device companies?
CMS Open Payments shows $106 in general payments to Johnna Keh from 4 companies from 2025 to 2025. The largest total came from HeartFlow, Inc.
How long has Johnna Lee Keh been practicing?
Johnna Keh graduated from medical school in 2006, 20 years ago.
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