Mark Allan Greenwalt, PA-C
Medical Physician Assistant · Tacoma, WA
Mark Allan Greenwalt, PA-C is a medical physician assistant with a practice address in Tacoma, Washington, and NPI 1083435424, issued on Oct 18, 2024. Check the license (Washington PA61611340, as entered in NPPES) with the Washington board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mark Allan Greenwalt
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA61611340 WA
Self-reported in NPPES; status is on the state search - Practice location
- 9505 S Steele St, Tacoma, WA 98444
- Phone
- (253) 597-6800
- Enumerated
- Oct 18, 2024
- Record last updated
- Nov 20, 2024
- Medicare enrollment
- Enrolled (PECOS I20250103002251); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 1,068 in Washington → Look up another NPI →
Also registered at 9505 S Steele St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mubarak Akadri, MDInternal Medicine Physician1043848690
- Douglas Bell, DOFamily Medicine Physician1487786653
- Steven Berman, M.D.Pediatrics Physician1629125810
- Shannon BougieCase Manager/Care Coordinator1720483290
- Jeanne Bulla, ARNPFamily Nurse Practitioner1689745531
- Katie Carper, PA-CPhysician Assistant1578846796
Verify Mark Allan Greenwalt in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Washington board licenses this profession
Search for license PA61611340Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average medical physician assistant in 2024
15 Medicare Part D claims, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
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 WashingtonTacoma, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark Allan Greenwalt among 1,068 medical physician assistant records in Washington
Mark Allan Greenwalt, PA-C is one of 1,068 medical physician assistant records with a practice address in Washington. 66% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 96% of them.
- NPI issued2024 · 96% of these records are older, 2% newer
- In a Medicare fileYes · 66% of these records are
- In the CMS Doctors and Clinicians fileYes · 54% of these records are
- Graduated2023 · median 2013 among the 581 with a school on file
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in Washington
There are 1,068 medical physician assistant records in Washington.
All 1,068 in Washington → Every provider in Tacoma → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Teja KirbyTacoma, WA 984441518700152
- Colleen Mawby, PA-CTacoma, WA 984441497009948
- Megan Truchan, PA-CTacoma, WA 984441518486760
- Giang Vu, PATacoma, WA 984441386733483
- James Duncan, PA-CJoint Base Lewis McChord, WA 984331174673206
- Douglas Marcum, PA-CTacoma, WA 984331154373116
- Katrina Monti, PA-CJblm, WA 984331366764730
- James Wages, PA-CJblm, WA 984331740619949
Common questions
What is Mark Allan Greenwalt, PA-C's NPI number?
Mark Allan Greenwalt, PA-C's National Provider Identifier (NPI) is 1083435424, issued on Oct 18, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Mark Allan Greenwalt, PA-C located?
The NPPES record lists a practice address at 9505 S Steele St, Tacoma, WA, 98444. Phone: (253) 597-6800. Providers update this record themselves, so call before visiting.
How can I verify Mark Allan Greenwalt, PA-C's license?
NPPES lists Washington license number PA61611340, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity only.
How much does Mark Allan Greenwalt, PA-C prescribe under Medicare Part D?
In 2024, Mark Allan Greenwalt, PA-C had 15 Medicare Part D claims; the average among medical physician assistant prescribers was 1,148. 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.