Cyrus Cryst, MD
Nephrology Physician · Seattle, WA
Cyrus Cryst, MD is a nephrology physician with a practice address in Seattle, Washington, and NPI 1902836950, issued on Jul 4, 2006. Check the license (Washington MD00023186, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Cyrus Cryst
- Credential
- MD
- Primary taxonomy
- Nephrology Physician 207RN0300X
- License number
- MD00023186 WA
Self-reported in NPPES; status is on the state search - Practice location
- 1100 9TH Ave, Seattle, WA 98101
- Phone
- (206) 223-6600
- Enumerated
- Jul 4, 2006
- Record last updated
- Jun 17, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 8135527 WA
- Entity
- Type 1 · individual
8 nearest nephrology physician records → All 284 in Washington → Look up another NPI →
Also registered at 1100 9TH Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Alvin Aceron, ARNPAdult Health Nurse Practitioner1639488562
- Ream AdeebAdult Health Nurse Practitioner1760868855
- Steven Adler, MDDiagnostic Ultrasound Physician1639108046
Verify Cyrus Cryst in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00023186Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% fewer Medicare Part D claims than the average nephrology physician in 2024
142 Medicare Part D claims for 45 beneficiaries, against an average of 1,465 among the 10,986 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Losartan Potassium13 claims
- Prednisone13 claims
- Omeprazole12 claims
- Furosemide11 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.
Cyrus Cryst among 284 nephrology physician records in Washington
Cyrus Cryst, MD is one of 284 nephrology physician records with a practice address in Washington. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 56% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileNo · 75% of these records are
- Record last updated2008 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RN0300X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Nephrology Physician providers in Washington
There are 284 nephrology physician records in Washington.
All 284 in Washington → Every provider in Seattle → Nephrology Physician nationwide →
The 8 nephrology physician records with the nearest ZIP codes
- Ramnika Gumber, M.B.B.S.Seattle, WA 981011699012575
- Lauren Haggerty, MDSeattle, WA 981011871090993
- Ahmad Mahallati-Shirazi, MDSeattle, WA 981011043423775
- Maria Nieva SalazarSeattle, WA 981011245423797
- Michael Sutters, M.D.Seattle, WA 981011497737803
- Catherine Thompson, MDSeattle, WA 981011316053937
- Tiffany Truong, DOSeattle, WA 981011760839112
- Andrew Weiss, MDSeattle, WA 981011023155397
Common questions
What is Cyrus Cryst, MD's NPI number?
Cyrus Cryst, MD's National Provider Identifier (NPI) is 1902836950, issued on Jul 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cyrus Cryst, MD located?
The NPPES record lists a practice address at 1100 9TH Ave, Seattle, WA, 98101. Phone: (206) 223-6600. Providers update this record themselves, so call before visiting.
How can I verify Cyrus Cryst, MD's license?
NPPES lists Washington license number MD00023186, 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 Cyrus Cryst, MD prescribe under Medicare Part D?
In 2024, Cyrus Cryst, MD had 142 Medicare Part D claims for 45 beneficiaries; the average among nephrology physician prescribers was 1,465. 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.