Maureen Ursula Welker, CCRN, MSN, NPC
- Medicare patients, 2024
- 102
- Part D claims, 2024
- 70
- Industry payments
- $115
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 17175 Gillette Avenue, Irvine, CA 92614
- Practice phone
- Call (949) 660-7126
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Oso Home Care
Home Health Agency - Main Office · Irvine, California
Find Maureen Welker'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.
Maureen Ursula Welker is a family nurse practitioner in Irvine, California
Maureen Welker practices at Oso Home Care in Irvine, California.
Maureen Welker's NPI, 1386608438, was assigned on April 14, 2006. Maureen Welker holds California license 10596.
- NPI
- 1386608438NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9335129626
- NPI enumeration date
- April 14, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (949) 660-7126
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Maureen Ursula Welker practices at Oso Home Care in Irvine, California
Maureen Welker's primary practice is Oso Home Care, at 17175 Gillette Avenue, Irvine, CA 92614. The practice phone is (949) 660-7126.
- Oso Home Care17175 Gillette Avenue, Irvine, CA 92614Phone(949) 660-7126
Source: Dmand AI Affiliation Data
Maureen Ursula Welker is affiliated with 2 sites of care and 1 medical group
Maureen Welker's primary practice is Oso Home Care in Irvine, California. The medical group on file is OSO Home Care, Inc. Dmand AI also links Maureen Welker to 1 more group practice or clinic, named with a free account. Maureen Welker's employer is on file too: a home health agency.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Maureen Ursula Welker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Maureen Welker practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Oso Home Care | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Maureen Ursula Welker is one of 13,532 family nurse practitioners in California
Family is Maureen Welker's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Maureen Welker is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Family nurse practitioners near Maureen Welker
Counts of family 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
Maureen Ursula Welker treated 102 Medicare patients in 2024, average age 76
CMS counts 102 Medicare patients who saw Maureen Welker in 2024. The largest group is 75 to 84, with 52 patients. 75% of them have arthritis, and 75% have high cholesterol. Their average risk score is 1.77, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Maureen Welker's median patient age at 78, with 68% women.
Maureen Welker's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Maureen Welker's Medicare patients by sex, 2024
- Women7372%
- Men2928%
Chronic conditions among Maureen Welker's Medicare patients, 2024
- Arthritis75%
- High cholesterol75%
- High blood pressure70%
- Osteoporosis37%
- Ischemic heart disease29%
- Anxiety28%
- Chronic kidney disease28%
- Asthma25%
Share of Medicare patients with each condition. A patient can have several.
Maureen Welker's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women68%
- Men30%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Maureen Ursula Welker wrote 70 Medicare Part D claims in 2024
In 2024, Maureen Welker wrote 70 Medicare Part D claims for 35 patients. 83% of them were for generic drugs.
Maureen Welker's Part D claims by kind of drug, 2024
- Generic58 claims83%
- Brand-name12 claims17%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Maureen Ursula Welker takes part in Medicare
Maureen Welker 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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Maureen Ursula Welker received $115 in industry payments in 2025
CMS Open Payments shows 3 general payments to Maureen Welker from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Janssen Pharmaceuticals, Inc paid the most, $58.
Companies that paid Maureen Welker 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 Maureen Ursula Welker'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 Maureen Ursula Welker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Maureen Ursula Welker's NPI number?
Maureen Ursula Welker's NPI number is 1386608438. It was assigned on April 14, 2006, and it is active in the NPI Registry.
What does Maureen Ursula Welker specialize in?
Maureen Ursula Welker is a family nurse practitioner in Irvine, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Maureen Ursula Welker practice?
Maureen Welker practices at 17175 Gillette Avenue, Irvine, CA 92614. Maureen Welker's primary practice is Oso Home Care in Irvine, California. Dmand AI also links Maureen Welker to 1 group practice or clinic.
What is Maureen Ursula Welker's office phone number?
The practice phone on file for Maureen Welker is (949) 660-7126.
What is Maureen Ursula Welker's medical license number?
Maureen Welker holds California license 10596.
What medical group is Maureen Ursula Welker part of?
Maureen Welker is linked to OSO Home Care, Inc.
Does Maureen Ursula Welker accept Medicare?
Yes. CMS lists Maureen Welker as accepting Medicare assignment.
How many Medicare patients does Maureen Ursula Welker see?
CMS counts 102 Medicare patients who saw Maureen Welker in 2024, with an average age of 76.
Has Maureen Ursula Welker received payments from drug or device companies?
CMS Open Payments shows $115 in general payments to Maureen Welker from 2 companies from 2025 to 2025. The largest total came from Janssen Pharmaceuticals, Inc.
How long has Maureen Ursula Welker been practicing?
Maureen Welker graduated from medical school in 1998, 28 years ago.
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