Mark A. Tomas, DO, MPH
Internal Medicine Physician · Gig Harbor, WA
Mark A. Tomas, DO, MPH is an internal medicine physician with a practice address in Gig Harbor, Washington, and NPI 1942539986, issued on Dec 22, 2009. Check the license (Washington OP61387438, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Mark A. Tomas
- Credential
- DO, MPH
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- OP61387438 WA
P2090 TX
Self-reported in NPPES; status is on the state search - Practice location
- 4700 Point Fosdick Dr Ste 208, Gig Harbor, WA 98335
- Phone
- (523) 400-0218
- Enumerated
- Dec 22, 2009
- Record last updated
- May 29, 2026
- Fax
- (253) 500-0218
- Medicaid IDs
- 2243330 WA
303454101 TX
3034241-02 TX - Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 4700 Point Fosdick Dr Ste 208
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Paul Tomas, NNP-BC, CPNP-PC&ACPediatric Nurse Practitioner1730400300
Verify Mark A. Tomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP61387438Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
118 Medicare Part D claims for 37 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Mark A. Tomas among 3,079 internal medicine physician records in Washington
Mark A. Tomas, DO, MPH is one of 3,079 internal medicine physician records with a practice address in Washington. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 58% of them.
- NPI issued2009 · 58% of these records are older, 38% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2026 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
19 internal medicine physician records list a practice address in Gig Harbor
They are 19 of the 1,206 NPPES records with a practice address in Gig Harbor, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Gig Harbor → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Jesus Casino, M.D.Gig Harbor, WA 983351417260126
- Diane Combs, MDGig Harbor, WA 983351598717340
- Paz Ivy Corro-Casino, MDGig Harbor, WA 983351417330853
- Leah Inman, D.O.Gig Harbor, WA 983351235369570
- Francis Amado Mercado, M.D.Gig Harbor, WA 983351225223878
- Corrie Naasz, MDGig Harbor, WA 983351417982505
- Yancey Sloane, MDGig Harbor, WA 983351760455745
- Jay Sullivan, D.O.Gig Harbor, WA 983351396984894
Common questions
What is Mark A. Tomas, DO, MPH's NPI number?
Mark A. Tomas, DO, MPH's National Provider Identifier (NPI) is 1942539986, issued on Dec 22, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mark A. Tomas, DO, MPH located?
The NPPES record lists a practice address at 4700 Point Fosdick Dr Ste 208, Gig Harbor, WA, 98335. Phone: (523) 400-0218. Providers update this record themselves, so call before visiting.
How can I verify Mark A. Tomas, DO, MPH's license?
NPPES lists Washington license number OP61387438, 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 Mark A. Tomas, DO, MPH prescribe under Medicare Part D?
In 2024, Mark A. Tomas, DO, MPH had 118 Medicare Part D claims for 37 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.