NPPES file of Aug 9, 2026

Timothy D. Asher, MD

Family Medicine Physician · Renton, WA

Timothy D. Asher, MD is a family medicine physician with a practice address in Renton, Washington, and NPI 1366823742, issued on Jun 11, 2015. Check the license (Washington MD60858369, 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
1366823742
Name
Timothy D. Asher
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD60858369 WA
Self-reported in NPPES; status is on the state search
Practice location
10555 SE Carr RD # M, Renton, WA 98055
Phone
(425) 690-3470
Enumerated
Jun 11, 2015
Record last updated
May 5, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(425) 690-9470
Medicaid ID
2045610 WA
Medicare enrollment
Enrolled (PECOS I20181119002137); accepts Medicare assignment
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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Verify Timothy D. Asher in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD60858369
    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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85% fewer Medicare Part D claims than the average family medicine physician in 2024

535 Medicare Part D claims for 380 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 23 claims were for opioids.

  1. Timothy Asher535
  2. Specialty average3,544

Most prescribed

  1. Cephalexin54 claims
  2. Ipratropium Bromide52 claims
  3. Prednisone50 claims
  4. Albuterol Sulfate Hfa34 claims
  5. Amoxicillin-Clavulanate Potass27 claims
  6. Diclofenac Sodium26 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. Valley Medical Group-RentonRenton, WA

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

Timothy D. Asher among 5,534 family medicine physician records in Washington

Timothy D. Asher, 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 updated2021 · 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).

111 family medicine physician records list a practice address in Renton

They are 111 of the 3,147 NPPES records with a practice address in Renton, and 5,534 family medicine physician records in Washington.

The 8 family medicine physician records with the nearest ZIP codes

  1. Dhiren Ajudia, MDRenton, WA 980551043235872
  2. Richard Avalon, D.O.Renton, WA 980551619930088
  3. Reza Berjis, MDRenton, WA 980551285607606
  4. Janice Carlton, MDRenton, WA 980551649201872
  5. Gary Kelsberg, MDRenton, WA 980551790707362
  6. Wuaca Luna, MDRenton, WA 980551265455612
  7. Sonja Maddox, MDRenton, WA 980551295732113
  8. Aileen Monponbanua, MDRenton, WA 980551639162456

Common questions

What is Timothy D. Asher, MD's NPI number?

Timothy D. Asher, MD's National Provider Identifier (NPI) is 1366823742, issued on Jun 11, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Timothy D. Asher, MD located?

The NPPES record lists a practice address at 10555 SE Carr RD # M, Renton, WA, 98055. Phone: (425) 690-3470. Providers update this record themselves, so call before visiting.

How can I verify Timothy D. Asher, MD's license?

NPPES lists Washington license number MD60858369, 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 Timothy D. Asher, MD prescribe under Medicare Part D?

In 2024, Timothy D. Asher, MD had 535 Medicare Part D claims for 380 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.