YANA DAVIDOVNA GRISTAN MD
NPI 1023635562
Internal Medicine in Santa Barbara, CA
About Yana Davidovna Gristan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
YANA DAVIDOVNA GRISTAN MD (NPI 1023635562) is an individual internal medicine provider in Santa Barbara, California, licensed in California (A186841) and active in the NPI registry since July 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2019).
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
Yana Davidovna Gristan 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 Reassignments
3Medicare enrollment records show Yana Gristan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Santa Barbara, CA 93105
- Reassigned Medicare billing, California enrollment
- 36 clinicians in this Medicare group
Santa Barbara, CA 93105
- Reassigned Medicare billing, California enrollment
- 104 clinicians in this Medicare group
Santa Barbara, CA 93105
- Reassigned Medicare billing, California enrollment
- 157 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 6
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 93105 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SANTA BARBARA, CA 93105
SANTA BARBARA, CA 93105
SANTA BARBARA, CA 93105
SANTA BARBARA, CA 93105
SANTA BARBARA, CA 93105
SANTA BARBARA, CA 93105
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 Yana Gristan's NPI number?
The NPI number for Yana Gristan is 1023635562. It was assigned to this individual provider in the NPPES registry on July 1, 2020.
Where is Yana Gristan located?
Yana Gristan practices at 400 W Pueblo St, Santa Barbara, CA 93105. The listed phone number is (805) 563-7010.
What is Yana Gristan's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Yana Gristan enrolled in Medicare?
Yes. Yana Gristan 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 organizations bill Medicare for Yana Gristan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Yana Gristan reassigns Medicare benefits to 3 organizations: Cottage Clinical Network, LLC (Santa Barbara, CA), Cottage Clinical Associates (Santa Barbara, CA) and Cottage Medical Foundation (Santa Barbara, CA). Each 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 Yana Gristan'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 Yana Gristan was last updated on October 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 days 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.
# Yana Davidovna Gristan, MD · NPI 1023635562
Internal Medicine physician in Santa Barbara, California. Individual provider, active in the CMS NPPES registry since July 1, 2020.
## Identity
- **NPI:** 1023635562 (Entity type: Individual)
- **Enumerated:** July 1, 2020
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A186841 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 400 W PUEBLO ST, Santa Barbara, CA 93105-4353
- **Phone:** (805) 563-7010 · **Fax:** (805) 352-2120
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Cottage Clinical Network, LLC (NPI 1588209357, Santa Barbara, CA); Cottage Clinical Associates (NPI 1235790544, Santa Barbara, CA); Cottage Medical Foundation (NPI 1770352130, Santa Barbara, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** October 12, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1023635562) · Data from the CMS NPPES public registry.