Grace B. Gamponia, MD
Adult Medicine Physician · Renton, WA
Grace B. Gamponia, MD is an adult medicine physician with a practice address in Renton, Washington, and NPI 1164450748, issued on Jun 30, 2006. Check the license (Washington MD00035568, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Grace B. Gamponia
- Credential
- MD
- Primary taxonomy
- Adult Medicine Physician 207QA0505X
- License number
- MD00035568 WA
Self-reported in NPPES; status is on the state search - Practice location
- 4033 Talbot RD S, Renton, WA 98055
- Phone
- (425) 656-5400
- Enumerated
- Jun 30, 2006
- Record last updated
- Mar 5, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (425) 656-5079
- Medicaid IDs
- 1043099 WA
8227522 WA - Medicare enrollment
- Enrolled (PECOS I20041025000535); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest adult medicine physician records → All 47 in Washington → Look up another NPI →
Also registered at 4033 Talbot RD S
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Patricia Brand, MDAnesthesiology Physician1568546026
- Michael Burke, MDSurgery Physician1972574762
- Charles Caplan, MDOtolaryngology Physician1326105271
- Katherine Carr, CNM, ARNPAdvanced Practice Midwife1558308064
- Kathleen Cavanaugh, CRNACertified Registered Nurse Anesthetist1225112717
Verify Grace B. Gamponia in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00035568Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.9 times the Medicare Part D claims of the average adult medicine physician in 2024
8,759 Medicare Part D claims for 527 beneficiaries, against an average of 3,002 among the 1,307 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 144 claims were for opioids.
Most prescribed
- Atorvastatin Calcium720 claims
- Amlodipine Besylate462 claims
- Losartan Potassium437 claims
- Lisinopril325 claims
- Simvastatin290 claims
- Metformin Hcl267 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.
Bills Medicare through one group practice
- Valley Medical Group-RentonRenton, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grace B. Gamponia among 47 adult medicine physician records in Washington
Grace B. Gamponia, MD is one of 47 adult medicine physician records with a practice address in Washington. 45% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 62% newer
- In a Medicare fileYes · 45% of these records are
- In the CMS Doctors and Clinicians fileYes · 32% of these records are
- Graduated1986 · median 2001 among the 15 with a school on file
- Record last updated2020 · 68% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0505X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Adult Medicine Physician providers in Washington
There are 47 adult medicine physician records in Washington.
All 47 in Washington → Every provider in Renton → Adult Medicine Physician nationwide →
The 8 adult medicine physician records with the nearest ZIP codes
- John Bondi, MDRenton, WA 980551033147756
- Mahyar Badrei, D.O.Redmond, WA 980521992026561
- Mary Butcher, MDRenton, WA 980591700814589
- John Peterson, M.D., M.P.H.Mercer Island, WA 980401023111002
- Jerry Mixon, MDKirkland, WA 980341366799090
- Stephen Durch, MDKent, WA 980301841228426
- Craig Szela, MDSeattle, WA 981031831456466
- Ingeborg Cox, M.DSeattle, WA 981041497925226
Common questions
What is Grace B. Gamponia, MD's NPI number?
Grace B. Gamponia, MD's National Provider Identifier (NPI) is 1164450748, issued on Jun 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Grace B. Gamponia, MD located?
The NPPES record lists a practice address at 4033 Talbot RD S, Renton, WA, 98055. Phone: (425) 656-5400. Providers update this record themselves, so call before visiting.
How can I verify Grace B. Gamponia, MD's license?
NPPES lists Washington license number MD00035568, 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 Grace B. Gamponia, MD prescribe under Medicare Part D?
In 2024, Grace B. Gamponia, MD had 8,759 Medicare Part D claims for 527 beneficiaries; the average among adult medicine physician prescribers was 3,002. Part D covers Medicare prescriptions only.
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.