Registry data as of Aug 27, 2026

Tatiana Dicoby, D.O.

Obstetrics & Gynecology Physician · Tacoma, WA

Tatiana Dicoby, D.O. is an obstetrics & gynecology physician with a practice address in Tacoma, Washington, and NPI 1114164696, issued on Jan 20, 2009. Check the license (Washington DO.OP.61684184, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1114164696
Name
Tatiana Dicoby
Credential
D.O.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
DO.OP.61684184 WA
251119 NY
Self-reported in NPPES; status is on the state search
Practice location
1608 S J St FL 1, Tacoma, WA 98405
Phone
(253) 274-7501
Enumerated
Jan 20, 2009
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1608 S J St FL 1

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Claudia Berg-Graessle, CNMAdvanced Practice Midwife1760818942
  2. Michael Chinn, MDObstetrics & Gynecology Physician1336111814
  3. Angela Gray, MDMaternal & Fetal Medicine Physician1013947142
  4. Arthur Maslow, D.O.Obstetrics & Gynecology Physician1437111747
  5. Katherine McDonald, CNMAdvanced Practice Midwife1669071429
  6. Caroline Miller, ARNPAdvanced Practice Midwife1316418163

Verify Tatiana Dicoby in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license DO.OP.61684184
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Washington license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

16% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024

218 Medicare Part D claims for 62 beneficiaries, against an average of 188 among the 27,363 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims.

  1. Tatiana Dicoby218
  2. Specialty average188

Most prescribed

  1. Estradiol63 claims
  2. Metronidazole19 claims
  3. Dotti15 claims
  4. Ketoconazole15 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The Medicare quality score for 2023: 95.4 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score81.3
  2. Costout of 100 · 30%
  3. Promoting interoperabilityout of 100 · 25%99.2
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $6,069.06

3 payments, mostly education; the largest payer was Intuitive Surgical, Inc.. The 20,757 providers of this specialty with any payment received $1,147.37 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Tatiana Dicoby$6,069.06
  2. Specialty average$1,147.37

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Canton-Potsdam HospitalPotsdam, NY · Acute Care Hospitals2 of 5 stars

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Obstetrics & Gynecology Physician providers in Washington

There are 1,027 obstetrics & gynecology physician records in Washington.

Other obstetrics & gynecology physician records in Washington

  1. Monica Abbi, MDTacoma, WA1295703650
  2. Hasan Abdessamad, MDBurien, WA1265643472
  3. Daniela Abreu, DOMount Vernon, WA1770169260
  4. Kristina Adams WaldorfSeattle, WA1659457463
  5. Christen Adkins, MDSeattle, WA1689017956
  6. Richard Agress, M.D.Seattle, WA1215902036
  7. Patricia Agudelo Suarez, MDSeattle, WA1821139445
  8. Homayoun Akhavan-Saraf, M.D.Vancouver, WA1518906916
  9. Chiazor Akusoba, M.D.Issaquah, WA1104261064
  10. Rose Al Abosy, MDSeattle, WA1245933365

Common questions

What is Tatiana Dicoby, D.O.'s NPI number?

Tatiana Dicoby, D.O.'s National Provider Identifier (NPI) is 1114164696, issued on Jan 20, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Tatiana Dicoby, D.O. located?

The NPPES record lists a practice address at 1608 S J St FL 1, Tacoma, WA, 98405. Phone: (253) 274-7501. Providers update this record themselves, so call before visiting.

How can I verify Tatiana Dicoby, D.O.'s license?

NPPES lists Washington license number DO.OP.61684184, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Tatiana Dicoby, D.O. prescribe under Medicare Part D?

In 2024, Tatiana Dicoby, D.O. had 218 Medicare Part D claims for 62 beneficiaries; the average among obstetrics & gynecology physician prescribers was 188. Part D covers Medicare prescriptions only.

What is Tatiana Dicoby, D.O.'s Medicare quality score?

The 2023 MIPS final score is 95.4 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.