NPPES file of Aug 9, 2026

Carl V. Janzen, MD

Family Medicine Physician · Everett, WA

Carl V. Janzen, MD is a family medicine physician with a practice address in Everett, Washington, and NPI 1285735753, issued on Sep 26, 2006. Check the license (Washington MD00044956, 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
1285735753
Name
Carl V. Janzen
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD00044956 WA
Self-reported in NPPES; status is on the state search
Practice location
3901 Hoyt Ave, Everett, WA 98201
Phone
(425) 259-0966
Enumerated
Sep 26, 2006
Record last updated
Aug 31, 2022
Fax
(360) 454-1991
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 3901 Hoyt Ave

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

  1. Akshita Agarwal, MDInternal Medicine Physician1487031209
  2. Sujata Agnani, M.D.Cardiovascular Disease Physician1841305323
  3. Kinza Ahmad, M.D.Retina Specialist (Ophthalmology) Physician1174056246
  4. Rachel Allen, D.O.Neurology Physician1982866158
  5. Ahmed AlshabanHematology & Oncology Physician1720442650
  6. Samuel Armstrong, MDInternal Medicine Physician1548325988

Verify Carl V. Janzen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD00044956
    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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92% fewer Medicare Part D claims than the average family medicine physician in 2024

294 Medicare Part D claims for 127 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 21 claims were for opioids.

  1. Carl Janzen294
  2. Specialty average3,544

Most prescribed

  1. Losartan Potassium20 claims
  2. Albuterol Sulfate Hfa15 claims
  3. Prednisone14 claims
  4. Amlodipine Besylate13 claims
  5. Amoxicillin-Clavulanate Potass11 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.

Carl V. Janzen among 5,534 family medicine physician records in Washington

Carl V. Janzen, 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 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 58% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 60% of these records are
  • Record last updated2022 · 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).

195 family medicine physician records list a practice address in Everett

They are 195 of the 7,246 NPPES records with a practice address in Everett, and 5,534 family medicine physician records in Washington.

The 8 family medicine physician records with the nearest ZIP codes

  1. Erik Bylund, MDEverett, WA 982011306833090
  2. Brett Daniel, M.D.Everett, WA 982011932198892
  3. Ellen Dejong, MDEverett, WA 982011639167638
  4. James Fasciano, M.D.Everett, WA 982011467427443
  5. Mark Flynn, MDEverett, WA 982011528059441
  6. Sean McLaughlin, M.D.Everett, WA 982011447252556
  7. Heather Morphy, M.D.Everett, WA 982011912908294
  8. Lisa Murphy, MDEverett, WA 982011265414049

Common questions

What is Carl V. Janzen, MD's NPI number?

Carl V. Janzen, MD's National Provider Identifier (NPI) is 1285735753, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Carl V. Janzen, MD located?

The NPPES record lists a practice address at 3901 Hoyt Ave, Everett, WA, 98201. Phone: (425) 259-0966. Providers update this record themselves, so call before visiting.

How can I verify Carl V. Janzen, MD's license?

NPPES lists Washington license number MD00044956, 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 Carl V. Janzen, MD prescribe under Medicare Part D?

In 2024, Carl V. Janzen, MD had 294 Medicare Part D claims for 127 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.