NPPES file of Aug 9, 2026

Stephen Frederick Mowery, MD

Family Medicine Physician · Mount Vernon, WA

Stephen Frederick Mowery, MD is a family medicine physician with a practice address in Mount Vernon, Washington, and NPI 1992182489, issued on May 4, 2015. Check the license (Washington MD61505810, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1992182489
Name
Stephen Frederick Mowery
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD61505810 WA
Self-reported in NPPES; status is on the state search
Practice location
901 S 5TH St, Mount Vernon, WA 98274
Phone
(360) 814-7300
Enumerated
May 4, 2015
Record last updated
Aug 29, 2024
Fax
(360) 848-4543
Medicare enrollment
Enrolled (PECOS I20240925000523); accepts Medicare assignment
Medical or professional school
Pennsylvania State University College Of Medicine, 2015
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 901 S 5TH St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Matthew Acosta, MDFamily Medicine Physician1265019566
  2. Steven Alcocer, PA-CSurgical Physician Assistant1891014502
  3. Rhett Bushman, DOFamily Medicine Physician1861029829
  4. Camille Connelly, M.D.Orthopaedic Surgery Physician1194024448
  5. Shelly Damschroder, NPFamily Nurse Practitioner1164750923
  6. Alyssa Enghauser, PA-CPhysician Assistant1730922402

Verify Stephen Frederick Mowery in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD61505810
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Washington license search

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83% fewer Medicare Part D claims than the average family medicine physician in 2024

616 Medicare Part D claims for 118 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 33 claims were for opioids.

  1. Stephen Mowery616
  2. Specialty average3,544

Most prescribed

  1. Levothyroxine Sodium34 claims
  2. Losartan Potassium30 claims
  3. Amlodipine Besylate28 claims
  4. Atorvastatin Calcium24 claims
  5. Pantoprazole Sodium21 claims
  6. Lisinopril20 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

  1. Public Hospital Dist NO 1 SkagitMount Vernon, WA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Stephen Frederick Mowery among 5,534 family medicine physician records in Washington

Stephen Frederick Mowery, MD is one of 5,534 family medicine physician records with a practice address in Washington. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 73% of them.

  • NPI issued2015 · 73% of these records are older, 24% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 60% of these records are
  • Graduated2015 · median 2009 among the 3,294 with a school on file
  • Record last updated2024 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

78 family medicine physician records list a practice address in Mount Vernon

They are 78 of the 1,500 NPPES records with a practice address in Mount Vernon, and 5,534 family medicine physician records in Washington.

The 8 family medicine physician records with the nearest ZIP codes

  1. Melissa Ashby, MDMount Vernon, WA 982741245226646
  2. David Benson, M.D.Mount Vernon, WA 982741629057278
  3. John Erbstoeszer, MDMount Vernon, WA 982741720074875
  4. Roger Estep, M.D.Mount Vernon, WA 982741033112479
  5. Jonathan Gamson, MDMount Vernon, WA 982741639172927
  6. Barbara Hahn, MDMount Vernon, WA 982741073500021
  7. Janet Hansom, MDMount Vernon, WA 982741568465870
  8. Robert Jacobsen, MDMount Vernon, WA 982741205890944

Common questions

What is Stephen Frederick Mowery, MD's NPI number?

Stephen Frederick Mowery, MD's National Provider Identifier (NPI) is 1992182489, issued on May 4, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Stephen Frederick Mowery, MD located?

The NPPES record lists a practice address at 901 S 5TH St, Mount Vernon, WA, 98274. Phone: (360) 814-7300. Providers update this record themselves, so call before visiting.

How can I verify Stephen Frederick Mowery, MD's license?

NPPES lists Washington license number MD61505810, 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 Stephen Frederick Mowery, MD prescribe under Medicare Part D?

In 2024, Stephen Frederick Mowery, MD had 616 Medicare Part D claims for 118 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.