Tatiana Ageev, FNP
- Industry payments
- $157
- Affiliated sites
- 3
- Medical groups
- 3
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 2592 N Santiago Blvd, Orange, CA 92867
- Practice phone
- Call (855) 434-7763
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
J M Geiss DO APC
Orange, California
Find Tatiana Ageev'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.
Tatiana Ageev is a family nurse practitioner in Orange, California
Tatiana Ageev practices at J M Geiss DO APC in Orange, California.
Tatiana Ageev's NPI, 1609666502, was assigned on May 12, 2025. Tatiana Ageev holds California license 95034554.
- NPI
- 1609666502NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5496123119
- NPI enumeration date
- May 12, 2025
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (855) 434-7763
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 27
- Medical school graduation
- 2025
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Tatiana Ageev practices at J M Geiss DO APC in Orange, California
Tatiana Ageev's primary practice is J M Geiss DO APC, at 2592 N Santiago Blvd, Orange, CA 92867 in Orange County. The practice phone is (855) 434-7763.
- J M Geiss DO APC2592 N Santiago Blvd, Orange, CA 92867 · Orange CountyPhone(855) 434-7763
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Tatiana Ageev is affiliated with 4 sites of care and 3 medical groups
Tatiana Ageev's primary practice is J M Geiss DO APC in Orange, California. The medical group on file is PIH Health Physicians (John M. Geiss, DO). Dmand AI also links Tatiana Ageev to 3 more group practices and clinics and 2 medical groups, 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 Tatiana Ageev's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Tatiana Ageev practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| J M Geiss DO APC | Available with a free account |
| +3 more sites and 2 medical groups | 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 each health system and 6.2K+ hospitals, with verified contacts in the same login.
Tatiana Ageev is one of 13,532 family nurse practitioners in California
Family is Tatiana Ageev's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Tatiana Ageev is licensed in California.
Specialties and state licenses
- Family nurse practitioner, CaliforniaPrimary
Family nurse practitioners near Tatiana Ageev
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
Tatiana Ageev's patients have a median age of 80
Across all payers, Dmand AI patient panel data puts Tatiana Ageev's median patient age at 80, with 70% women.
Tatiana Ageev's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 80
Patient panel by sex, all payers
- Women70%
- Men26%
Source: Dmand AI Patient Panel Data
Tatiana Ageev offers telehealth to Medicare patients
Tatiana Ageev accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Tatiana Ageev as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Tatiana Ageev received $157 in industry payments in 2025
CMS Open Payments shows 5 general payments to Tatiana Ageev from 3 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Neurelis, Inc. paid the most, $108.
Companies that paid Tatiana Ageev 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 Tatiana Ageev'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 |
| 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 Tatiana Ageev
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Tatiana Ageev's NPI number?
Tatiana Ageev's NPI number is 1609666502. It was assigned on May 12, 2025, and it is active in the NPI Registry.
What does Tatiana Ageev specialize in?
Tatiana Ageev is a family nurse practitioner in Orange, California. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Tatiana Ageev practice?
Tatiana Ageev practices at 2592 N Santiago Blvd, Orange, CA 92867. Tatiana Ageev's primary practice is J M Geiss DO APC in Orange, California. Dmand AI also links Tatiana Ageev to 3 group practices and clinics and 2 medical groups.
What is Tatiana Ageev's office phone number?
The practice phone on file for Tatiana Ageev is (855) 434-7763.
What is Tatiana Ageev's medical license number?
Tatiana Ageev holds California license 95034554.
What medical group is Tatiana Ageev part of?
Tatiana Ageev is linked to PIH Health Physicians (John M. Geiss, DO). Dmand AI links Tatiana Ageev to 2 more medical groups.
Does Tatiana Ageev accept Medicare?
Yes. CMS lists Tatiana Ageev as accepting Medicare assignment.
Does Tatiana Ageev offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Tatiana Ageev as offering telehealth services.
Has Tatiana Ageev received payments from drug or device companies?
CMS Open Payments shows $157 in general payments to Tatiana Ageev from 3 companies from 2025 to 2025. The largest total came from Neurelis, Inc.
How long has Tatiana Ageev been practicing?
Tatiana Ageev graduated from medical school in 2025, 1 years ago.
Selling to family practices?
See family 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