Grigoriy A. Rozenfeld, DO
Emergency Medicine Physician · Lacey, WA
Grigoriy A. Rozenfeld, DO is an emergency medicine physician with a practice address in Lacey, Washington, and NPI 1114167293, issued on Mar 2, 2009. Check the license (Washington OP61084938, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Grigoriy A. Rozenfeld
- Credential
- DO
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- OP61084938 WA
20A11107 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4800 College St SE, Lacey, WA 98503
- Phone
- (360) 486-2900
- Enumerated
- Mar 2, 2009
- Record last updated
- Nov 30, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (360) 486-2901
- Medicare enrollment
- Enrolled (PECOS I20211019002378); accepts Medicare assignment
- Medical or professional school
- New York College Of Osteo Medicine Of New York Institute Of Technology, 2008
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,459 in Washington → Look up another NPI →
Also registered at 4800 College St SE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Anam Akmal, M.DEndocrinology, Diabetes & Metabolism Physician1568783926
- Rachel Ballou, DOFamily Medicine Physician1265922850
- Cara Bardwell, PA-CPhysician Assistant1144621632
- Danilynn BenaventeAddiction (Substance Use Disorder) Counselor1467986802
- Devin BlasMental Health Counselor1659246742
Verify Grigoriy A. Rozenfeld in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP61084938Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
75% more Medicare Part D claims than the average emergency medicine physician in 2024
396 Medicare Part D claims for 261 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone44 claims
- Amoxicillin-Clavulanate Potass38 claims
- Nitrofurantoin Mono-Macro38 claims
- Azithromycin32 claims
- Doxycycline Monohydrate27 claims
- Paxlovid13 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.
Bills Medicare through one group practice
- Providence Health And Services WashingtonLacey, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grigoriy A. Rozenfeld among 1,459 emergency medicine physician records in Washington
Grigoriy A. Rozenfeld, DO is one of 1,459 emergency medicine physician records with a practice address in Washington. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 61% of them.
- NPI issued2009 · 61% of these records are older, 36% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2008 · median 2010 among the 851 with a school on file
- Record last updated2021 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Washington
There are 1,459 emergency medicine physician records in Washington.
All 1,459 in Washington → Every provider in Lacey → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Shavonne Borchardt, DOOlympia, WA 985021376791269
- Kim Brandt, MDOlympia, WA 985021518900950
- Nathan Fleischman, MDOlympia, WA 985021639873185
- Kathryn Kammert, DOOlympia, WA 985021720548795
- Cady Kennedy, MDOlympia, WA 985021093205395
- Elizabeth Kim, MDOlympia, WA 985021851820070
- Kristen LarsenOlympia, WA 985021780212936
- David Munson, MDOlympia, WA 985021437204476
Common questions
What is Grigoriy A. Rozenfeld, DO's NPI number?
Grigoriy A. Rozenfeld, DO's National Provider Identifier (NPI) is 1114167293, issued on Mar 2, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Grigoriy A. Rozenfeld, DO located?
The NPPES record lists a practice address at 4800 College St SE, Lacey, WA, 98503. Phone: (360) 486-2900. Providers update this record themselves, so call before visiting.
How can I verify Grigoriy A. Rozenfeld, DO's license?
NPPES lists Washington license number OP61084938, 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 Grigoriy A. Rozenfeld, DO prescribe under Medicare Part D?
In 2024, Grigoriy A. Rozenfeld, DO had 396 Medicare Part D claims for 261 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.