NPPES file of Aug 9, 2026

Clarence W. Koch, AAC

Peer Specialist · Seattle, WA

Clarence W. Koch, AAC is a peer specialist with a practice address in Seattle, Washington, and NPI 1609345883, issued on Nov 17, 2018. Check the license (Washington CG60813908, as entered in NPPES) with the Washington board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1609345883
Name
Clarence W. Koch
Credential
AAC
Primary taxonomy
Peer Specialist 175T00000X
License number
CG60813908 WA
Self-reported in NPPES; status is on the state search
Practice location
1600 S Lane St, Seattle, WA 98144
Phone
(206) 682-2371
Enumerated
Nov 17, 2018
Record last updated
Nov 17, 2018 (not updated in 8 years: call before relying on the address or phone)
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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8 nearest peer specialist records → All 2,628 in Washington → Look up another NPI →

Also registered at 1600 S Lane St

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

  1. Nacole AbramCounselor1477167344
  2. Ramata Abram, COUNSELORCounselor1952871139
  3. Hani AbuassiSocial Worker1033919261
  4. Dennis Adams, CERTIFIED PEER COUNPeer Specialist1629541289
  5. Rhoda AdekeCounselor1356051809
  6. Alyssa Adwell, MSWMental Health Counselor1629634845

Verify Clarence W. Koch in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Washington board licenses this profession
    Search for license CG60813908    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
Find the Washington license search

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Clarence W. Koch among 2,628 peer specialist records in Washington

Clarence W. Koch, AAC is one of 2,628 peer specialist records with a practice address in Washington. 0% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2018, is newer than 8% of them.

  • NPI issued2018 · 8% of these records are older, 83% newer
  • In a Medicare fileNo · 0% of these records are
  • In the CMS Doctors and Clinicians fileNo · 0% of these records are
  • Record last updated2018 · 32% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 175T00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Peer Specialist providers in Washington

There are 2,628 peer specialist records in Washington. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 2,628 in Washington → Every provider in Seattle → Peer Specialist nationwide →

The 8 peer specialist records with the nearest ZIP codes

  1. Alexander Anaya, AAC, CPCSeattle, WA 981441225507981
  2. Danaelle Bell, CG 60765431Seattle, WA 981441952870131
  3. Brooke GowerSeattle, WA 981441447728753
  4. Molly Gras-UrsySeattle, WA 981441700355443
  5. Matthew JellersonSeattle, WA 981441275001109
  6. Kristina KeefeSeattle, WA 981441659840569
  7. Ro LimSeattle, WA 981441093296311
  8. Jennifer McPhersonSeattle, WA 981441164997813

Common questions

What is Clarence W. Koch, AAC's NPI number?

Clarence W. Koch, AAC's National Provider Identifier (NPI) is 1609345883, issued on Nov 17, 2018. An NPI identifies a provider in billing; it is not a license.

Where is Clarence W. Koch, AAC located?

The NPPES record lists a practice address at 1600 S Lane St, Seattle, WA, 98144. Phone: (206) 682-2371. Providers update this record themselves, so call before visiting.

How can I verify Clarence W. Koch, AAC's license?

NPPES lists Washington license number CG60813908, as entered by the provider. Search the Washington board that licenses this profession; the NPPES record confirms identity 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. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.