Robert A. Ast, MD
Emergency Medical Services (Emergency Medicine) Physician · Bremerton, WA
Robert A. Ast, MD is an emergency medical services (emergency medicine) physician with a practice address in Bremerton, Washington, and NPI 1659304517, issued on Jul 7, 2006. Check the license (Washington MD00042077, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Robert A. Ast
- Credential
- MD
- Primary taxonomy
- Emergency Medical Services (Emergency Medicine) Physician 207PE0004X
- License number
- MD00042077 WA
Self-reported in NPPES; status is on the state search - Practice location
- 2520 Cherry Ave, Bremerton, WA 98310
- Phone
- (360) 377-3911
- Enumerated
- Jul 7, 2006
- Record last updated
- May 14, 2008 (not updated in 18 years: call before relying on the address or phone)
- Medicaid ID
- 8352239 WA
- Medicare enrollment
- Enrolled (PECOS I20060914000543); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest emergency medical services (emergency medicine) physician records → All 91 in Washington → Look up another NPI →
Also registered at 2520 Cherry Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Therese AldenRegistered Dietitian1497971089
- Denis Ashley, D.O.Emergency Medicine Physician1396725867
- Martin Bennett, MDEmergency Medical Services (Emergency Medicine) Physician1093748964
- Griffith Blackmon, MDCritical Care Medicine (Internal Medicine) Physician1609836824
- David Bray, MDAnatomic Pathology & Clinical Pathology Physician1528123148
- Redge Campbell, OTROccupational Therapist1447348974
Verify Robert A. Ast in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00042077Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
42% fewer Medicare Part D claims than the average emergency medical services (emergency medicine) physician in 2024
168 Medicare Part D claims for 103 beneficiaries, against an average of 292 among the 1,653 providers of this specialty who prescribed in Part D. 37 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen19 claims
- Ondansetron Odt16 claims
- Cephalexin11 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 practice group's MIPS final score for 2023 (Medicare payment program): 95.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- West Sound Emergency Physicians PLLCSilverdale, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert A. Ast among 91 emergency medical services (emergency medicine) physician records in Washington
Robert A. Ast, MD is one of 91 emergency medical services (emergency medicine) physician records with a practice address in Washington. 64% 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 0% of them.
- NPI issued2006 · 0% of these records are older, 35% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileYes · 46% of these records are
- Graduated1999 · median 1999 among the 42 with a school on file
- Record last updated2008 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207PE0004X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medical Services (Emergency Medicine) Physician providers in Washington
There are 91 emergency medical services (emergency medicine) physician records in Washington.
All 91 in Washington → Every provider in Bremerton → Emergency Medical Services (Emergency Medicine) Physician nationwide →
The 8 emergency medical services (emergency medicine) physician records with the nearest ZIP codes
- Martin Bennett, MDBremerton, WA 983101093748964
- Mark Eisenberg, MDBremerton, WA 983101477588911
- Stephen McKinnon, DOBremerton, WA 983101801821228
- William Moore, DOBremerton, WA 983101457382228
- William Morris, MDBremerton, WA 983101922030949
- Stephen Pieniak, MDBremerton, WA 983101447281225
- Paul Tice, MDBremerton, WA 983101629003850
- Stephen Pohl, MDBremerton, WA 983121922059187
Common questions
What is Robert A. Ast, MD's NPI number?
Robert A. Ast, MD's National Provider Identifier (NPI) is 1659304517, issued on Jul 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Robert A. Ast, MD located?
The NPPES record lists a practice address at 2520 Cherry Ave, Bremerton, WA, 98310. Phone: (360) 377-3911. Providers update this record themselves, so call before visiting.
How can I verify Robert A. Ast, MD's license?
NPPES lists Washington license number MD00042077, 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 Robert A. Ast, MD prescribe under Medicare Part D?
In 2024, Robert A. Ast, MD had 168 Medicare Part D claims for 103 beneficiaries; the average among emergency medical services (emergency medicine) physician prescribers was 292. Part D covers Medicare prescriptions only.
What is Robert A. Ast, MD's MIPS final score?
The 2023 MIPS final score is 95.5 of 100, reported for the practice group. 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.