Margaret Grace Tebbs, MD
Internal Medicine Physician · Seattle, WA
Margaret Grace Tebbs, MD is an internal medicine physician with a practice address in Seattle, Washington, and NPI 1912404997, issued on Apr 6, 2018. Check the license (Washington MD61080467, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Margaret Grace Tebbs
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD61080467 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2505 2ND Ave Ste 200, Seattle, WA 98121
- Phone
- (206) 520-5000
- Enumerated
- Apr 6, 2018
- Record last updated
- Jul 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 1912404997 WA
- Medicare enrollment
- Enrolled (PECOS I20210503002395); accepts Medicare assignment
- Medical or professional school
- Vanderbilt University School Of Medicine, 2018
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 3,079 in Washington → Look up another NPI →
Also registered at 2505 2ND Ave Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Adrienne Clark, M.D.Internal Medicine Physician1821364142
- Harshita Gaba, MDStudent in an Organized Health Care Education/Training Program1528815255
- Carolyn Houk, M.D.Internal Medicine Physician1437105335
Verify Margaret Grace Tebbs in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD61080467Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
28% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,285 Medicare Part D claims for 223 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 105 claims were for opioids.
Most prescribed
- Atorvastatin Calcium189 claims
- Amlodipine Besylate138 claims
- Losartan Potassium104 claims
- Gabapentin96 claims
- Levothyroxine Sodium75 claims
- Cyclobenzaprine Hcl55 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 MIPS final score for 2023 (Medicare payment program): 83.8 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- The Association OF University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Margaret Grace Tebbs among 3,079 internal medicine physician records in Washington
Margaret Grace Tebbs, MD 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 2018, is newer than 84% of them.
- NPI issued2018 · 84% of these records are older, 13% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2018 · median 2006 among the 1,852 with a school on file
- Record last updated2021 · 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).
821 internal medicine physician records list a practice address in Seattle
They are 821 of the 41,956 NPPES records with a practice address in Seattle, and 3,079 internal medicine physician records in Washington.
All 3,079 in Washington → Every provider in Seattle → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- David Camitta, MDSeattle, WA 981211821199969
- Adrienne Clark, M.D.Seattle, WA 981211821364142
- Victor Collymore, M.D.Seattle, WA 981211881751196
- Christopher Elias, MDSeattle, WA 981211699609263
- Cynthia FerrucciSeattle, WA 981211487739280
- Carolyn Houk, M.D.Seattle, WA 981211437105335
- Philip HummelSeattle, WA 981211366527178
- Adam Jayne-Jensen, MDSeattle, WA 981211265721666
Common questions
What is Margaret Grace Tebbs, MD's NPI number?
Margaret Grace Tebbs, MD's National Provider Identifier (NPI) is 1912404997, issued on Apr 6, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Margaret Grace Tebbs, MD located?
The NPPES record lists a practice address at 2505 2ND Ave Ste 200, Seattle, WA, 98121. Phone: (206) 520-5000. Providers update this record themselves, so call before visiting.
How can I verify Margaret Grace Tebbs, MD's license?
NPPES lists Washington license number MD61080467, 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 Margaret Grace Tebbs, MD prescribe under Medicare Part D?
In 2024, Margaret Grace Tebbs, MD had 2,285 Medicare Part D claims for 223 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Margaret Grace Tebbs, MD's MIPS final score?
The 2023 MIPS final score is 83.8 of 100. 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.