Martha Elizabeth Billings, M.D.
Sleep Medicine (Internal Medicine) Physician · Seattle, WA
Martha Elizabeth Billings, M.D. is a sleep medicine (internal medicine) physician with a practice address in Seattle, Washington, and NPI 1700811619, issued on Jul 11, 2006. Check the license (Washington WA MD00046402, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Martha Elizabeth Billings
- Credential
- M.D.
- Primary taxonomy
- Sleep Medicine (Internal Medicine) Physician 207RS0012X
- License number
- WA MD00046402 WA
Self-reported in NPPES; status is on the state search - Practice location
- 908 Jefferson St, Seattle, WA 98104
- Phone
- (206) 744-4999
- Enumerated
- Jul 11, 2006
- Record last updated
- Jan 16, 2014 (not updated in 12 years: call before relying on the address or phone)
- Medicaid ID
- 1700811619 WA
- Medicare enrollment
- Enrolled (PECOS I20071205000440); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2002
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 908 Jefferson St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Martha Elizabeth Billings in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license WA MD00046402Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
78% fewer Medicare Part D claims than the average sleep medicine (internal medicine) physician in 2024
130 Medicare Part D claims for 25 beneficiaries, against an average of 585 among the 852 providers of this specialty who prescribed in Part D. Brand-name drugs were 21% of claims. 12 claims were for opioids.
Most prescribed
- Gabapentin26 claims
- Methylphenidate Hcl17 claims
- Dextroamphetamine-Amphetamine16 claims
- Methadone Hcl12 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): 93.1 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).
Sleep Medicine (Internal Medicine) Physician providers in Washington
There are 52 sleep medicine (internal medicine) physician records in Washington.
Other sleep medicine (internal medicine) physician records in Washington
- Sanjay Agarwal, MD, FCCP, FAASMSeattle, WA1477523249
- Oneil Bains, MDSeattle, WA1982712584
- Scott Bonvallet, M.D.Bellevue, WA1649230095
- Yoon Hee Chang, MDKirkland, WA1023294311
- Wynne Chen, MDSeattle, WA1518974351
- Stephen Chung, MDWalla Walla, WA1578673703
- David Culpepper, MDSeattle, WA1386021079
- Lucas Donovan, M.D.Seattle, WA1588952170
- Robert Fisher, M.D.Vancouver, WA1437199585
- Sravani GajjalaSeattle, WA1609403260
Common questions
What is Martha Elizabeth Billings, M.D.'s NPI number?
Martha Elizabeth Billings, M.D.'s National Provider Identifier (NPI) is 1700811619, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Martha Elizabeth Billings, M.D. located?
The NPPES record lists a practice address at 908 Jefferson St, Seattle, WA, 98104. Phone: (206) 744-4999. Providers update this record themselves, so call before visiting.
How can I verify Martha Elizabeth Billings, M.D.'s license?
NPPES lists Washington license number WA MD00046402, 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 Martha Elizabeth Billings, M.D. prescribe under Medicare Part D?
In 2024, Martha Elizabeth Billings, M.D. had 130 Medicare Part D claims for 25 beneficiaries; the average among sleep medicine (internal medicine) physician prescribers was 585. Part D covers Medicare prescriptions only.
What is Martha Elizabeth Billings, M.D.'s MIPS final score?
The 2023 MIPS final score is 93.1 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.