TATIANA ALEKSANDROVNA OSOSKOVA MD
NPI 1023281904
Internal Medicine in San Jose, CA
About Tatiana Aleksandrovna Ososkova Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TATIANA ALEKSANDROVNA OSOSKOVA MD (NPI 1023281904) is an individual internal medicine provider in San Jose, California, licensed in California (22222222) and active in the NPI registry since April 2008. She is enrolled in Medicare PECOS and is a graduate of Other (1997).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Tatiana Aleksandrovna Ososkova Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Tatiana Ososkova reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Santa Clara, CA 95051
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95123 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Tatiana Ososkova's NPI number?
The NPI number for Tatiana Ososkova is 1023281904. It was assigned to this individual provider in the NPPES registry on April 10, 2008.
Where is Tatiana Ososkova located?
Tatiana Ososkova practices at 910 Hedlund Ct, San Jose, CA 95123. The listed phone number is (408) 712-2079.
What is Tatiana Ososkova's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Tatiana Ososkova enrolled in Medicare?
Yes. Tatiana Ososkova is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Tatiana Ososkova's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tatiana Ososkova reassigns Medicare benefits to Permanente Medical Group Inc (Santa Clara, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tatiana Ososkova's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Tatiana Ososkova was last updated on December 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Tatiana Aleksandrovna Ososkova, MD · NPI 1023281904
Internal Medicine physician in San Jose, California. Individual provider, active in the CMS NPPES registry since April 10, 2008.
## Identity
- **NPI:** 1023281904 (Entity type: Individual)
- **Enumerated:** April 10, 2008
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 22222222 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 910 HEDLUND CT, San Jose, CA 95123-2552
- **Phone:** (408) 712-2079
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Permanente Medical Group Inc (NPI 1073606299, Santa Clara, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1997
## Record status
- **NPPES last updated:** December 13, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1023281904) · Data from the CMS NPPES public registry.