Mark R. Holmberg, C.R.N.A.
Certified Registered Nurse Anesthetist · Seattle, WA
Mark R. Holmberg, C.R.N.A. is a certified registered nurse anesthetist with a practice address in Seattle, Washington, and NPI 1790763233, issued on Jan 5, 2006. Check the license (Washington AP30007744, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark R. Holmberg
- Credential
- C.R.N.A.
- Primary taxonomy
- Certified Registered Nurse Anesthetist 367500000X
- License numbers
- AP30007744 WA
R 154503-0 MN
Self-reported in NPPES; status is on the state search - Practice location
- 1100 9TH Ave, Seattle, WA 98101
- Phone
- (206) 223-6980
- Enumerated
- Jan 5, 2006
- Record last updated
- Mar 12, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (206) 223-6982
- Medicaid ID
- 9653981 WA
- Medicare enrollment
- Enrolled (PECOS I20070907000191); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest certified registered nurse anesthetist records → All 1,181 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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- Deborah Abrams, M.D.Hematology & Oncology Physician1902974835
- Alvin Aceron, ARNPAdult Health Nurse Practitioner1639488562
- Ream AdeebAdult Health Nurse Practitioner1760868855
- Steven Adler, MDDiagnostic Ultrasound Physician1639108046
Verify Mark R. Holmberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license AP30007744Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
One hospital affiliation
- Virginia Mason Medical CenterSeattle, WA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Mark R. Holmberg among 1,181 certified registered nurse anesthetist records in Washington
Mark R. Holmberg, C.R.N.A. is one of 1,181 certified registered nurse anesthetist records with a practice address in Washington. 72% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 71% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2005 · median 2014 among the 816 with a school on file
- Record last updated2015 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 367500000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Certified Registered Nurse Anesthetist providers in Washington
There are 1,181 certified registered nurse anesthetist records in Washington.
All 1,181 in Washington → Every provider in Seattle → Certified Registered Nurse Anesthetist nationwide →
The 8 certified registered nurse anesthetist records with the nearest ZIP codes
- Martha Carlstead, RNSeattle, WA 981011134374887
- Lavonne Cunningham, CRNASeattle, WA 981011578530077
- Esther Durussel, CRNASeattle, WA 981011902822554
- Lisa Elhardt, CRNASeattle, WA 981011134167976
- Gleora Folsom, CRNASeattle, WA 981011548302110
- Lisa Grayson, CRNASeattle, WA 981011750358255
- Jennifer Jones, CRNASeattle, WA 981011366415812
- Terumi Kadin, CRNASeattle, WA 981011093765778
Common questions
What is Mark R. Holmberg, C.R.N.A.'s NPI number?
Mark R. Holmberg, C.R.N.A.'s National Provider Identifier (NPI) is 1790763233, issued on Jan 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Mark R. Holmberg, C.R.N.A. located?
The NPPES record lists a practice address at 1100 9TH Ave, Seattle, WA, 98101. Phone: (206) 223-6980. Providers update this record themselves, so call before visiting.
How can I verify Mark R. Holmberg, C.R.N.A.'s license?
NPPES lists Washington license number AP30007744, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity 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.