Tammy Elizabeth Katz
- Part D claims, 2024
- 2,242
- Industry payments
- $21
- Affiliated sites
- 2
- Medical groups
- 4
- State license
- 1
- Practice address
- 900 E Hamilton Ave, Campbell, CA 95008
- Practice phone
- Call (469) 466-7007
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Signify Health
Campbell, California
Find Tammy Katz'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 Elizabeth Katz is a nurse practitioner in Campbell, California
Tammy Katz practices at Signify Health in Campbell, California.
Tammy Katz's NPI, 1396317392, was assigned on July 11, 2021. Tammy Katz holds North Carolina license 5014698.
- NPI
- 1396317392NPI Registry (opens in a new tab)
- NPI enumeration date
- July 11, 2021
- NPI status
- Active
- Practice phone
- (469) 466-7007
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Tammy Elizabeth Katz practices at Signify Health in Campbell, California
Tammy Katz's primary practice is Signify Health, at 900 E Hamilton Ave, Campbell, CA 95008 in Santa Clara County. The practice phone is (469) 466-7007.
- Signify Health900 E Hamilton Ave, Campbell, CA 95008 · Santa Clara CountyPhone(469) 466-7007
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Tammy Elizabeth Katz is affiliated with 3 sites of care and 4 medical groups
Tammy Katz's primary practice is Signify Health in Campbell, California. The medical group on file is Signify Health. Dmand AI also links Tammy Katz 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 Elizabeth Katz's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tammy Katz practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Signify Health | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Tammy Elizabeth Katz is one of 5,983 nurse practitioners in California
Nurse practitioner is Tammy Katz's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Tammy Katz is licensed in North Carolina.
Specialties and state licenses
- Nurse practitioner, North CarolinaPrimary
Nurse practitioners near Tammy Katz
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
Tammy Elizabeth Katz's patients have a median age of 75
Across all payers, Dmand AI patient panel data puts Tammy Katz's median patient age at 75, with 55% women.
Tammy Katz'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
- Women55%
- Men44%
Source: Dmand AI Patient Panel Data
Tammy Elizabeth Katz wrote 2,242 Medicare Part D claims in 2024
In 2024, Tammy Katz wrote 2,242 Medicare Part D claims for 108 patients. 83% of them were for generic drugs.
Tammy Katz's Part D claims by kind of drug, 2024
- Generic1,860 claims83%
- Brand-name371 claims17%
- Other11 claims0%
Drug classes CMS tracks in Tammy Katz's Part D claims, 2024
- Opioids8%177 of 2,242 claims
- Antibiotics11%242 of 2,242 claims
- Antipsychotics, patients 65 and over1%19 of 2,242 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
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Tammy Elizabeth Katz received $21 in industry payments in 2025
CMS Open Payments shows 1 general payment to Tammy Katz from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Smith & Nephew, Inc. paid the most, $21.
Companies that paid Tammy Katz 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 Elizabeth Katz'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 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 Tammy Elizabeth Katz
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 Elizabeth Katz's NPI number?
Tammy Elizabeth Katz's NPI number is 1396317392. It was assigned on July 11, 2021, and it is active in the NPI Registry.
What does Tammy Elizabeth Katz specialize in?
Tammy Elizabeth Katz is a nurse practitioner in Campbell, California. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Tammy Elizabeth Katz practice?
Tammy Katz practices at 900 E Hamilton Ave, Campbell, CA 95008. Tammy Katz's primary practice is Signify Health in Campbell, California. Dmand AI also links Tammy Katz to 3 medical groups and 2 group practices and clinics.
What is Tammy Elizabeth Katz's office phone number?
The practice phone on file for Tammy Katz is (469) 466-7007.
What is Tammy Elizabeth Katz's medical license number?
Tammy Katz holds North Carolina license 5014698.
What medical group is Tammy Elizabeth Katz part of?
Tammy Katz is linked to Signify Health. Dmand AI links Tammy Katz to 3 more medical groups.
Has Tammy Elizabeth Katz received payments from drug or device companies?
CMS Open Payments shows $21 in general payments to Tammy Katz from 1 company from 2025 to 2025. The largest total came from Smith & Nephew, Inc.
How long has Tammy Elizabeth Katz been practicing?
Tammy Katz graduated from medical school in 2021, 5 years ago.
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