Joanna K. Stuppler, NP
- Medicare patients, 2024
- 522
- Part D claims, 2024
- 13
- Hospital affiliations
- 1
- Industry payments
- $119
- Medical groups
- 2
- Practice address
- 600 S San Vicente Blvd, Los Angeles, CA 90048
- Practice phone
- Call (310) 873-3312
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Apex Multispecialty Medical Group, Inc
Los Angeles, California
Find Joanna Stuppler'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.
Joanna K. Stuppler is a nurse practitioner in Los Angeles, California
Joanna Stuppler practices at Apex Multispecialty Medical Group, Inc in Los Angeles, California.
Joanna Stuppler's NPI, 1629666268, was assigned on January 8, 2021. Joanna Stuppler holds California license 95014465.
- NPI
- 1629666268NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335549542
- NPI enumeration date
- January 8, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (310) 873-3312
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Joanna K. Stuppler practices at Apex Multispecialty Medical Group, Inc in Los Angeles, California
Joanna Stuppler's primary practice is Apex Multispecialty Medical Group, Inc, at 600 S San Vicente Blvd, Los Angeles, CA 90048 in Los Angeles County. The practice phone is (310) 873-3312.
- Apex Multispecialty Medical Group, Inc600 S San Vicente Blvd, Los Angeles, CA 90048 · Los Angeles CountyPhone(310) 873-3312
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Joanna K. Stuppler is affiliated with 4 sites of care and 2 medical groups
Joanna Stuppler's primary practice is Apex Multispecialty Medical Group, Inc in Los Angeles, California. Joanna Stuppler is also affiliated with Cedars-Sinai Medical Center. The medical group on file is Apex Multispecialty Medical Group. Dmand AI also links Joanna Stuppler to 1 more group practice or clinic, 1 home health agency and 1 medical group, 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 Joanna K. Stuppler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Joanna Stuppler practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Apex Multispecialty Medical Group, Inc | Available with a free account |
| +3 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
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Joanna K. Stuppler is one of 5,983 nurse practitioners in California
Nurse practitioner is Joanna Stuppler's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Joanna Stuppler is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Nurse practitioners near Joanna Stuppler
Counts of nurse practitioners 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
Joanna K. Stuppler treated 522 Medicare patients in 2024, average age 79
CMS counts 522 Medicare patients who saw Joanna Stuppler in 2024. The largest group is 75 to 84, with 193 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 38% are also on Medicaid. Their average risk score is 2.83, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Joanna Stuppler's median patient age at 75, with 48% women.
Joanna Stuppler's Medicare patients by age, 2024
Joanna Stuppler's Medicare patients by sex, 2024
- Women25148%
- Men27152%
Chronic conditions among Joanna Stuppler's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease75%
- Arthritis68%
- Heart failure67%
- Diabetes51%
- Chronic kidney disease47%
- Atrial fibrillation43%
Share of Medicare patients with each condition. A patient can have several.
Joanna Stuppler'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
- Women48%
- Men51%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Joanna K. Stuppler wrote 13 Medicare Part D claims in 2024
In 2024, Joanna Stuppler wrote 13 Medicare Part D claims. 92% of them were for generic drugs.
Joanna Stuppler's Part D claims by kind of drug, 2024
- Generic12 claims92%
- Brand-name and other1 claims8%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Joanna K. Stuppler offers telehealth to Medicare patients
Joanna Stuppler accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Joanna Stuppler as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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Joanna K. Stuppler received $119 in industry payments in 2025
CMS Open Payments shows 1 general payment to Joanna Stuppler from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Eli Lilly and Company paid the most, $119.
Companies that paid Joanna Stuppler 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 Joanna K. Stuppler'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 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 Joanna K. Stuppler
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Joanna K. Stuppler's NPI number?
Joanna K. Stuppler's NPI number is 1629666268. It was assigned on January 8, 2021, and it is active in the NPI Registry.
What does Joanna K. Stuppler specialize in?
Joanna K. Stuppler is a nurse practitioner in Los Angeles, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Joanna K. Stuppler practice?
Joanna Stuppler practices at 600 S San Vicente Blvd, Los Angeles, CA 90048. Joanna Stuppler's primary practice is Apex Multispecialty Medical Group, Inc in Los Angeles, California. Dmand AI also links Joanna Stuppler to 1 group practice or clinic, 1 home health agency and 1 medical group.
What is Joanna K. Stuppler's office phone number?
The practice phone on file for Joanna Stuppler is (310) 873-3312.
What is Joanna K. Stuppler's medical license number?
Joanna Stuppler holds California license 95014465.
Which hospitals is Joanna K. Stuppler affiliated with?
Joanna Stuppler is affiliated with Cedars-Sinai Medical Center.
What medical group is Joanna K. Stuppler part of?
Joanna Stuppler is linked to Apex Multispecialty Medical Group. Dmand AI links Joanna Stuppler to 1 more medical group.
Does Joanna K. Stuppler accept Medicare?
Yes. CMS lists Joanna Stuppler as accepting Medicare assignment.
Does Joanna K. Stuppler offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Joanna Stuppler as offering telehealth services.
How many Medicare patients does Joanna K. Stuppler see?
CMS counts 522 Medicare patients who saw Joanna Stuppler in 2024, with an average age of 79.
Has Joanna K. Stuppler received payments from drug or device companies?
CMS Open Payments shows $119 in general payments to Joanna Stuppler from 1 company from 2025 to 2025. The largest total came from Eli Lilly and Company.
How long has Joanna K. Stuppler been practicing?
Joanna Stuppler graduated from medical school in 2019, 7 years ago.
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