Allyson Heath Chambers, MD
Family Medicine Physician · Seattle, WA
Allyson Heath Chambers, MD is a family medicine physician with a practice address in Seattle, Washington, and NPI 1285820209, issued on Sep 24, 2007. Check the license (Washington ML20009124, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Allyson Heath Chambers
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- ML20009124 WA
Self-reported in NPPES; status is on the state search - Practice location
- 550 16TH Ave Ste 100, Seattle, WA 98122
- Phone
- (206) 320-2233
- Enumerated
- Sep 24, 2007
- Record last updated
- Sep 24, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (206) 320-8173
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 5,534 in Washington → Look up another NPI →
Also registered at 550 16TH Ave Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Allyson Heath Chambers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license ML20009124Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
100% fewer Medicare Part D claims than the average family medicine physician in 2024
11 Medicare Part D claims, against an average of 3,544 among the 117,163 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.
Allyson Heath Chambers among 5,534 family medicine physician records in Washington
Allyson Heath Chambers, MD 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 2007, is newer than 42% of them.
- NPI issued2007 · 42% of these records are older, 47% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2007 · 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).
871 family medicine physician records list a practice address in Seattle
They are 871 of the 41,956 NPPES records with a practice address in Seattle, and 5,534 family medicine physician records in Washington.
All 5,534 in Washington → Every provider in Seattle → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- William Alto, MD, MPHSeattle, WA 981221962478073
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- Sharon Grayson, MDSeattle, WA 981221700806734
- Anne Hirsch, ARNPSeattle, WA 981221710972666
- Jane King, M.D.Seattle, WA 981221518956226
- Sarah Lesko, M.D.Seattle, WA 981221447220439
- Monica Mayhill, MDSeattle, WA 981221902858061
- Robert McIntyre, M.D.Seattle, WA 981221689770216
Common questions
What is Allyson Heath Chambers, MD's NPI number?
Allyson Heath Chambers, MD's National Provider Identifier (NPI) is 1285820209, issued on Sep 24, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Allyson Heath Chambers, MD located?
The NPPES record lists a practice address at 550 16TH Ave Ste 100, Seattle, WA, 98122. Phone: (206) 320-2233. Providers update this record themselves, so call before visiting.
How can I verify Allyson Heath Chambers, MD's license?
NPPES lists Washington license number ML20009124, 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 Allyson Heath Chambers, MD prescribe under Medicare Part D?
In 2024, Allyson Heath Chambers, MD had 11 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.