Madalynn Joy Baker
- Part D claims, 2024
- 548
- Hospital affiliations
- 1
- Industry payments
- $97
- Medical groups
- 2
- State license
- 1
- Practice address
- 1425 S Main Street, Walnut Creek, CA 94596
- Practice phone
- Call (925) 295-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Madalynn Baker'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.
Madalynn Joy Baker is a nurse practitioner in Walnut Creek, California
Madalynn Baker practices at Walnut Creek Medical Center in Walnut Creek, California, part of Kaiser Permanente.
Madalynn Baker's NPI, 1255996096, was assigned on May 7, 2019. Madalynn Baker holds California license 95011390.
- NPI
- 1255996096NPI Registry (opens in a new tab)
- NPI enumeration date
- May 7, 2019
- NPI status
- Active
- Practice phone
- (925) 295-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Madalynn Joy Baker practices at Walnut Creek Medical Center in Walnut Creek, California
Madalynn Baker's primary practice is Walnut Creek Medical Center, at 1425 S Main Street, Walnut Creek, CA 94596 in Contra Costa County. The practice phone is (925) 295-4000.
- Walnut Creek Medical Center1425 S Main Street, Walnut Creek, CA 94596 · Contra Costa CountyPhone(925) 295-4000
Source: Dmand AI Affiliation Data
Madalynn Joy Baker is affiliated with 2 sites of care and 2 medical groups
Madalynn Baker's primary practice is Walnut Creek Medical Center in Walnut Creek, California, part of Kaiser Permanente. The medical group on file is The Permanente Medical Group, Inc. Dmand AI also links Madalynn Baker to 1 more group practice or clinic 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 Madalynn Joy Baker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Madalynn Baker practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Walnut Creek Medical Center | Available with a free account |
| +1 more site and 1 medical group | 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 Kaiser Permanente and 6.2K+ hospitals, with verified contacts in the same login.
Madalynn Joy Baker is one of 5,983 nurse practitioners in California
Nurse practitioner is Madalynn Baker's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Madalynn Baker is licensed in California.
Specialties and state licenses
- Nurse practitioner, CaliforniaPrimary
Nurse practitioners near Madalynn Baker
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
Madalynn Joy Baker's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Madalynn Baker's median patient age at 66, with 30% women.
Madalynn Baker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women30%
- Men70%
Source: Dmand AI Patient Panel Data
Madalynn Joy Baker wrote 548 Medicare Part D claims in 2024
In 2024, Madalynn Baker wrote 548 Medicare Part D claims for 204 patients. 78% of them were for generic drugs.
Madalynn Baker's Part D claims by kind of drug, 2024
- Generic425 claims78%
- Brand-name123 claims22%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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.
Madalynn Joy Baker received $97 in industry payments in 2025
CMS Open Payments shows 1 general payment to Madalynn Baker from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Abbott Laboratories paid the most, $97.
Companies that paid Madalynn Baker 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 Madalynn Joy Baker'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 (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 Madalynn Joy Baker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Madalynn Joy Baker's NPI number?
Madalynn Joy Baker's NPI number is 1255996096. It was assigned on May 7, 2019, and it is active in the NPI Registry.
What does Madalynn Joy Baker specialize in?
Madalynn Joy Baker is a nurse practitioner in Walnut Creek, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Madalynn Joy Baker practice?
Madalynn Baker practices at 1425 S Main Street, Walnut Creek, CA 94596. Madalynn Baker's primary practice is Walnut Creek Medical Center in Walnut Creek, California, part of Kaiser Permanente. Dmand AI also links Madalynn Baker to 1 group practice or clinic and 1 medical group.
What is Madalynn Joy Baker's office phone number?
The practice phone on file for Madalynn Baker is (925) 295-4000.
What is Madalynn Joy Baker's medical license number?
Madalynn Baker holds California license 95011390.
Which hospitals is Madalynn Joy Baker affiliated with?
Madalynn Baker practices at Walnut Creek Medical Center in Walnut Creek, California.
What medical group is Madalynn Joy Baker part of?
Madalynn Baker is linked to The Permanente Medical Group, Inc. Dmand AI links Madalynn Baker to 1 more medical group.
Has Madalynn Joy Baker received payments from drug or device companies?
CMS Open Payments shows $97 in general payments to Madalynn Baker from 1 company from 2025 to 2025. The largest total came from Abbott Laboratories.
How long has Madalynn Joy Baker been practicing?
Madalynn Baker's NPI was assigned in 2019.
Selling to nurse practitioner practices?
See nurse practitioners in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card