DR. TATIANA DICOBY D.O.
NPI 1114164696
Obstetrics & Gynecology in Tacoma, WA

Active since January 20, 2009PECOS EnrolledAccepts Medicare Assignment
95.38/100
CMS Quality Rating
1608 S J ST FL 1, TACOMA, WA 98405(253) 274-7501(253) 274-7991 Get Directions Write a Review

NPPES record last updated: May 28, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 28, 2026, Dec 31, 2025 (2 updates tracked since 2025).

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

NPI1114164696
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. TATIANA DICOBYCredential: D.O.
Location Address1608 S J ST FL 1Tacoma, WA 98405-4930
Mailing Address1608 S J St Fl 1Tacoma, WA 98405-4930 · (253) 274-7501 · Fax (253) 274-7991
Fax(253) 274-7991
Sole ProprietorNo
Medical School CMSNew York College Of Osteo Medicine Of New York Institute Of TechnologyGraduated 2005
Enumeration DateJanuary 20, 2009
Last NPPES UpdateMay 28, 20262 updates tracked since enumeration
NPPES CertifiedMay 28, 2026
NPI 1114164696 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses Licensed in WA · DO.OP.61684184 Licensed in NY · 251119
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
1608 S J ST FL 1, Tacoma, WA 98405

Other Names 1

Former Name (1)Tetyana Voronyak

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

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.

PECOS PAC ID941348122
PECOS Enrollment IDI20091109000295
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
33 services25 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
25 services21 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
11 services11 patients

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, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330125
Location1425 Portland AvenueRochester, NY 14621 · Monroe County
Emergency services Birthing friendly

Canton-Potsdam Hospital

Acute Care Hospitals · Potsdam, NY
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number330197
Location50 Leroy StreetPotsdam, NY 13676 · St. Lawrence County
Emergency services Birthing friendly

Physician 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.

New Patient
$130.99 typical visit price
range $57.27 – $172.80
Typical copayment $32.74 (range $14.31 – $43.20)
Most-billed visit code 99204
Established Patient
$71.29 typical visit price
range $18.56 – $141.11
Typical copayment $17.82 (range $4.64 – $35.27)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

95.38/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored through an Alternative Payment Model
Quality81.26
Promoting Interoperability99.17
Improvement Activities40

Other Providers at the Same Location NPPES 12

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Obstetrics & Gynecology
1608 S J ST FL 1
TACOMA, WA 98405
Obstetrics & Gynecology (Maternal & Fetal Medicine)
1608 S J ST FL 1
TACOMA, WA 98405
Advanced Practice Midwife
1608 S J ST FL 1
TACOMA, WA 98405
Advanced Practice Midwife
1608 S J ST FL 1
TACOMA, WA 98405
Obstetrics & Gynecology
1608 S J ST FL 1
TACOMA, WA 98405
Advanced Practice Midwife
1608 S J ST FL 1
TACOMA, WA 98405
Obstetrics & Gynecology
1608 S J ST FL 1
TACOMA, WA 98405
Obstetrics & Gynecology (Obstetrics)
1608 S J ST FL 1
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.

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 with the weekly NPPES data releases published by CMS.