Craig Ashley Nattkemper, D.O
Emergency Medicine Physician · Olympia, WA
Craig Ashley Nattkemper, D.O is an emergency medicine physician with a practice address in Olympia, Washington, and NPI 1225091507, issued on Apr 8, 2006. Check the license (Washington OP60037377, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Craig Ashley Nattkemper
- Credential
- D.O
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- OP60037377 WA
20A8234 CA
2017043979 MO
2737 WV
Self-reported in NPPES; status is on the state search - Practice location
- 700 Lilly RD NE, Olympia, WA 98506
- Phone
- (360) 923-7000
- Enumerated
- Apr 8, 2006
- Record last updated
- Apr 20, 2022
- Fax
- (360) 923-7089
- Medicaid ID
- 00AX82340 CA
- Medicare enrollment
- Enrolled (PECOS I20080924000340); accepts Medicare assignment
- Medical or professional school
- Western University Of Health Sciences College Of Dental Med, 1998
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,459 in Washington → Look up another NPI →
Also registered at 700 Lilly RD NE
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Krystle Agtarap, PASurgical Physician Assistant1972907590
- Elizabeth Alberti, P.A.Physician Assistant1215087937
- Stephen Albrecht, M.D.Family Medicine Physician1538286026
- Amber An, DOGeriatric Medicine (Internal Medicine) Physician1538335443
Verify Craig Ashley Nattkemper in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license OP60037377Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average emergency medicine physician in 2024
166 Medicare Part D claims for 116 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 7% of claims. 22 claims were for opioids.
Most prescribed
- Cephalexin16 claims
- Amoxicillin-Clavulanate Potass15 claims
- Oxycodone-Acetaminophen12 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
- Kaiser Foundation Health Plan OF WashingtonOlympia, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Craig Ashley Nattkemper among 1,459 emergency medicine physician records in Washington
Craig Ashley Nattkemper, D.O 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 2006, is newer than 3% of them.
- NPI issued2006 · 3% of these records are older, 55% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1998 · median 2010 among the 851 with a school on file
- Record last updated2022 · 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 Olympia → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Danette Aubertin, MDOlympia, WA 985061528015138
- Antonio Brandt, M.D.Olympia, WA 985061376581074
- Richard Brantner, M.D.Olympia, WA 985061427005677
- Arin Braseth, M.D.Olympia, WA 985061245287499
- Stanley Feero, MDOlympia, WA 985061134166374
- Paul Fleming, MDOlympia, WA 985061609817881
- Daniel GildayOlympia, WA 985061073591889
- Penelope Goode, M.D.Olympia, WA 985061003891888
Common questions
What is Craig Ashley Nattkemper, D.O's NPI number?
Craig Ashley Nattkemper, D.O's National Provider Identifier (NPI) is 1225091507, issued on Apr 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Craig Ashley Nattkemper, D.O located?
The NPPES record lists a practice address at 700 Lilly RD NE, Olympia, WA, 98506. Phone: (360) 923-7000. Providers update this record themselves, so call before visiting.
How can I verify Craig Ashley Nattkemper, D.O's license?
NPPES lists Washington license number OP60037377, 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 Craig Ashley Nattkemper, D.O prescribe under Medicare Part D?
In 2024, Craig Ashley Nattkemper, D.O had 166 Medicare Part D claims for 116 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.