Tammy Renee Wegrzyn, NP
- Medicare patients, 2024
- 30
- Part D claims, 2024
- 1,012
- Hospital affiliations
- 1
- Industry payments
- $16
- Medical groups
- 4
- Practice address
- 3634 Elizabeth St, Riverside, CA 92506
- Practice phone
- Call (951) 788-0008
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Optima Health Corp
Riverside, California
Find Tammy Wegrzyn'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.
Tammy Renee Wegrzyn is a family nurse practitioner in Riverside, California
Tammy Wegrzyn practices at Optima Health Corp in Riverside, California.
Tammy Wegrzyn's NPI, 1801123914, was assigned on November 10, 2009. Tammy Wegrzyn holds California license 19081.
- NPI
- 1801123914NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7214067438
- NPI enumeration date
- November 10, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (951) 788-0008
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Tammy Renee Wegrzyn practices at Optima Health Corp in Riverside, California
Tammy Wegrzyn's primary practice is Optima Health Corp, at 3634 Elizabeth St, Riverside, CA 92506 in Riverside County. The practice phone is (951) 788-0008.
- Optima Health Corp3634 Elizabeth St, Riverside, CA 92506 · Riverside CountyPhone(951) 788-0008
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Tammy Renee Wegrzyn is affiliated with 4 sites of care and 4 medical groups
Tammy Wegrzyn's primary practice is Optima Health Corp in Riverside, California. Tammy Wegrzyn is also affiliated with Hoag Hospital Newport Beach. The medical group on file is Optima Health Corp. Dmand AI also links Tammy Wegrzyn to 3 more medical groups and 2 group practices and clinics, 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 Tammy Renee Wegrzyn's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tammy Wegrzyn practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Optima Health Corp | Available with a free account |
| +3 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Tammy Renee Wegrzyn is one of 13,532 family nurse practitioners in California
Family is Tammy Wegrzyn's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Tammy Wegrzyn is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Family nurse practitioners near Tammy Wegrzyn
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
Tammy Renee Wegrzyn treated 30 Medicare patients in 2024, average age 74
CMS counts 30 Medicare patients who saw Tammy Wegrzyn in 2024. The largest group is 65 to 74, with 19 patients. 75% of them have high cholesterol, and 57% have high blood pressure. Their average risk score is 0.92, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Tammy Wegrzyn's median patient age at 71, with 56% women.
Tammy Wegrzyn's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Tammy Wegrzyn's Medicare patients, 2024
- High cholesterol75%
- High blood pressure57%
- Arthritis47%
Share of Medicare patients with each condition. A patient can have several.
Tammy Wegrzyn's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women56%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Tammy Renee Wegrzyn wrote 1,012 Medicare Part D claims in 2024
In 2024, Tammy Wegrzyn wrote 1,012 Medicare Part D claims for 85 patients. 81% of them were for generic drugs.
Tammy Wegrzyn's Part D claims by kind of drug, 2024
- Generic815 claims81%
- Brand-name and other197 claims19%
Drug classes CMS tracks in Tammy Wegrzyn's Part D claims, 2024
- Antibiotics2%23 of 1,012 claims
- Antipsychotics, patients 65 and over2%17 of 1,012 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Tammy Renee Wegrzyn takes part in Medicare
Tammy Wegrzyn 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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Tammy Renee Wegrzyn received $16 in industry payments in 2025
CMS Open Payments shows 1 general payment to Tammy Wegrzyn from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Hologic Inc paid the most, $16.
Companies that paid Tammy Wegrzyn 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 Tammy Renee Wegrzyn'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 Tammy Renee Wegrzyn
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Tammy Renee Wegrzyn's NPI number?
Tammy Renee Wegrzyn's NPI number is 1801123914. It was assigned on November 10, 2009, and it is active in the NPI Registry.
What does Tammy Renee Wegrzyn specialize in?
Tammy Renee Wegrzyn is a family nurse practitioner in Riverside, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Tammy Renee Wegrzyn practice?
Tammy Wegrzyn practices at 3634 Elizabeth St, Riverside, CA 92506. Tammy Wegrzyn's primary practice is Optima Health Corp in Riverside, California. Dmand AI also links Tammy Wegrzyn to 3 medical groups and 2 group practices and clinics.
What is Tammy Renee Wegrzyn's office phone number?
The practice phone on file for Tammy Wegrzyn is (951) 788-0008.
What is Tammy Renee Wegrzyn's medical license number?
Tammy Wegrzyn holds California license 19081.
Which hospitals is Tammy Renee Wegrzyn affiliated with?
Tammy Wegrzyn is affiliated with Hoag Hospital Newport Beach.
What medical group is Tammy Renee Wegrzyn part of?
Tammy Wegrzyn is linked to Optima Health Corp. Dmand AI links Tammy Wegrzyn to 3 more medical groups.
Does Tammy Renee Wegrzyn accept Medicare?
Yes. CMS lists Tammy Wegrzyn as accepting Medicare assignment.
How many Medicare patients does Tammy Renee Wegrzyn see?
CMS counts 30 Medicare patients who saw Tammy Wegrzyn in 2024, with an average age of 74.
Has Tammy Renee Wegrzyn received payments from drug or device companies?
CMS Open Payments shows $16 in general payments to Tammy Wegrzyn from 1 company from 2025 to 2025. The largest total came from Hologic Inc.
How long has Tammy Renee Wegrzyn been practicing?
Tammy Wegrzyn graduated from medical school in 2009, 17 years ago.
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