DR. TATIANA DICOBY D.O.
NPI 1114164696
Obstetrics & Gynecology in Tacoma, WA
About Dr. Tatiana Dicoby D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. TATIANA DICOBY D.O. (NPI 1114164696) is an individual obstetrics & gynecology provider in Tacoma, Washington, licensed in Washington (DO.OP.61684184) and active in the NPI registry since January 2009. She is enrolled in Medicare PECOS, is affiliated with Rochester General Hospital, and is a graduate of New York College Of Osteo Medicine Of New York Institute Of Technology (2005).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Accepted Insurance
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
Dr. Tatiana Dicoby D.o. 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
6Medicare enrollment records show Tatiana Dicoby reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Tacoma, WA 98405
- Reassigned Medicare billing, Washington enrollment
- 1,526 clinicians in this Medicare group
Ogdensburg, NY 13669
- Reassigned Medicare billing, New York enrollment
- 199 clinicians in this Medicare group
Ogdensburg, NY 13669
- Reassigned Medicare billing, New York enrollment
- 129 clinicians in this Medicare group
Syracuse, NY 13215
- Reassigned Medicare billing, New York enrollment
- 232 clinicians in this Medicare group
Lowville, NY 13367
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Lewis County
- 50 clinicians in this Medicare group
Potsdam, NY 13676
- Reassigned Medicare billing, New York enrollment
- 414 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 3
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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Rochester General Hospital
Acute Care Hospitals · Rochester, NYCanton-Potsdam Hospital
Acute Care Hospitals · Potsdam, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 98405 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TACOMA, WA 98405
TACOMA, WA 98405
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 Dicoby's NPI number?
The NPI number for Tatiana Dicoby is 1114164696. It was assigned to this individual provider in the NPPES registry on January 20, 2009. The provider is also known as Tetyana Voronyak.
Where is Tatiana Dicoby located?
Tatiana Dicoby practices at 1608 S J St Fl 1, Tacoma, WA 98405. The listed phone number is (253) 274-7501.
What is Tatiana Dicoby's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Tatiana Dicoby enrolled in Medicare?
Yes. Tatiana Dicoby 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 Tatiana Dicoby's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tatiana Dicoby reassigns Medicare benefits to 6 organizations: Franciscan Medical Group (Tacoma, WA), Carthage Area Hospital Inc (Ogdensburg, NY), Claxton-Hepburn Medical Center (Ogdensburg, NY), Upstate Community Medical, PC (Syracuse, NY), Lewis County General Hospital (Lowville, NY) and 1 more organization, listed in the Medicare section above. 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 Tatiana Dicoby's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tatiana Dicoby accept?
Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Tatiana Dicoby as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Tatiana Dicoby affiliated with any hospitals?
According to CMS data, Tatiana Dicoby is affiliated with Rochester General Hospital and Canton-Potsdam Hospital.
When was this NPI record last updated?
The NPPES record for Tatiana Dicoby was last updated on May 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.
# Dr. Tatiana Dicoby, D.O. · NPI 1114164696
Obstetrics & Gynecology physician in Tacoma, Washington. Individual provider, active in the CMS NPPES registry since January 20, 2009.
## Identity
- **NPI:** 1114164696 (Entity type: Individual)
- **Enumerated:** January 20, 2009
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** DO.OP.61684184 (Washington)
- **Sole proprietor:** No
## Practice location
- **Address:** 1608 S J ST FL 1, Tacoma, WA 98405-4930
- **Phone:** (253) 274-7501 · **Fax:** (253) 274-7991
## 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:** 6 organizations under Medicare reassignment (form CMS-855R): Franciscan Medical Group (NPI 1366539421, Tacoma, WA); Carthage Area Hospital Inc (NPI 1013759166, Ogdensburg, NY); Claxton-Hepburn Medical Center (NPI 1891753034, Ogdensburg, NY); Upstate Community Medical, PC (NPI 1689620163, Syracuse, NY); Lewis County General Hospital (NPI 1659433217, Lowville, NY); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York College Of Osteo Medicine Of New York Institute Of Technology, class of 2005
## Record status
- **NPPES last updated:** May 28, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1114164696) · Data from the CMS NPPES public registry.