NPPES file of Aug 9, 2026

Catharine L. Giani, D.O.

Obstetrics & Gynecology Physician · Silverdale, WA

Catharine L. Giani, D.O. is an obstetrics & gynecology physician with a practice address in Silverdale, Washington, and NPI 1669738282, issued on Apr 9, 2012. Check the license (Washington OP61023801, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1669738282
Name
Catharine L. Giani
Credential
D.O.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License numbers
OP61023801 WA
0102203749 VA
Self-reported in NPPES; status is on the state search
Practice location
1780 NW Myhre RD Ste 2120, Silverdale, WA 98383
Phone
(360) 782-3101
Enumerated
Apr 9, 2012
Record last updated
Feb 11, 2022
Fax
(360) 782-3112
Medicare enrollment
Enrolled (PECOS I20200616000971); accepts Medicare assignment
Medical or professional school
Western University Of Health Sciences College Of Dental Med, 2012
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1780 NW Myhre RD Ste 2120

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

  1. Jenny Chow, M.D.Pediatrics Physician1760431126
  2. Rachel Gabriel, MDObstetrics & Gynecology Physician1730649856
  3. Alexandria Richards, M.D.Obstetrics & Gynecology Physician1316325798

Verify Catharine L. Giani in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license OP61023801
    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.

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Bills Medicare through one group practice

  1. Obhg Washington PCTacoma, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Catharine L. Giani among 1,038 obstetrics & gynecology physician records in Washington

Catharine L. Giani, D.O. is one of 1,038 obstetrics & gynecology physician records with a practice address in Washington. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 73% of them.

  • NPI issued2012 · 73% of these records are older, 24% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2012 · median 2007 among the 582 with a school on file
  • Record last updated2022 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

16 obstetrics & gynecology physician records list a practice address in Silverdale

They are 16 of the 1,305 NPPES records with a practice address in Silverdale, and 1,038 obstetrics & gynecology physician records in Washington.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Anita Alvestad-McIntyre, MDSilverdale, WA 983831619151172
  2. Nancy Bohannon, M.D.Silverdale, WA 983831437333986
  3. Glen Christen, M.D.Silverdale, WA 983831528019064
  4. Katherine Hebard, MDSilverdale, WA 983831760473631
  5. Timothy Kennedy, M.D.Silverdale, WA 983831720033319
  6. Melissa Lo, M.D.Silverdale, WA 983831780610659
  7. Amity Marriott, MDSilverdale, WA 983831326338286
  8. Julie McMillan, M.D.Silverdale, WA 983831992734750

Common questions

What is Catharine L. Giani, D.O.'s NPI number?

Catharine L. Giani, D.O.'s National Provider Identifier (NPI) is 1669738282, issued on Apr 9, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Catharine L. Giani, D.O. located?

The NPPES record lists a practice address at 1780 NW Myhre RD Ste 2120, Silverdale, WA, 98383. Phone: (360) 782-3101. Providers update this record themselves, so call before visiting.

How can I verify Catharine L. Giani, D.O.'s license?

NPPES lists Washington license number OP61023801, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 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.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.