Tiffany Mark, M.D.
Family Medicine Physician · Yakima, WA
Tiffany Mark, M.D. is a family medicine physician with a practice address in Yakima, Washington, and NPI 1144755919, issued on Apr 28, 2017. Check the license (Washington FM6891685, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Tiffany Mark
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- FM6891685 WA
Self-reported in NPPES; status is on the state search - Practice location
- 311 S 72ND Ave Ste 100, Yakima, WA 98908
- Phone
- (509) 972-1818
- Enumerated
- Apr 28, 2017
- Record last updated
- Apr 28, 2023
- Medicaid ID
- 2080552 WA
- Medicare enrollment
- Enrolled (PECOS I20200723001103); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Verify Tiffany Mark in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license FM6891685Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% more Medicare Part D claims than the average family medicine physician in 2024
5,413 Medicare Part D claims for 456 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 189 claims were for opioids.
Most prescribed
- Atorvastatin Calcium367 claims
- Levothyroxine Sodium351 claims
- Losartan Potassium237 claims
- Lisinopril228 claims
- Omeprazole191 claims
- Metoprolol Succinate140 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 practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Community Health OF Central WashingtonYakima, WA
- Yakima Valley Memorial PhysiciansYakima, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tiffany Mark among 5,534 family medicine physician records in Washington
Tiffany Mark, M.D. is one of 5,534 family medicine physician records with a practice address in Washington. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 79% of them.
- NPI issued2017 · 79% of these records are older, 18% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2016 · median 2009 among the 3,294 with a school on file
- Record last updated2023 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
161 family medicine physician records list a practice address in Yakima
They are 161 of the 3,970 NPPES records with a practice address in Yakima, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Yakima → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Corinne Bassett, MDYakima, WA 989081992731541
- Nicola Bocek, MDYakima, WA 989081538180666
- Vani Bremjit, MDYakima, WA 989081568471589
- Ryan Crafts, MDYakima, WA 989081528089653
- Paul Emmans, D.O.Yakima, WA 989081669493227
- Debra Gould, M.D.Yakima, WA 989081740289883
- Scott Heflick, MDYakima, WA 989081518975762
- Esther Hunte, MDYakima, WA 989081235118266
Common questions
What is Tiffany Mark, M.D.'s NPI number?
Tiffany Mark, M.D.'s National Provider Identifier (NPI) is 1144755919, issued on Apr 28, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Tiffany Mark, M.D. located?
The NPPES record lists a practice address at 311 S 72ND Ave Ste 100, Yakima, WA, 98908. Phone: (509) 972-1818. Providers update this record themselves, so call before visiting.
How can I verify Tiffany Mark, M.D.'s license?
NPPES lists Washington license number FM6891685, 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 Tiffany Mark, M.D. prescribe under Medicare Part D?
In 2024, Tiffany Mark, M.D. had 5,413 Medicare Part D claims for 456 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Tiffany Mark, M.D.'s MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.