NPPES file of Aug 9, 2026

John Whiting Sisson, MD

Emergency Medicine Physician · Port Angeles, WA

John Whiting Sisson, MD is an emergency medicine physician with a practice address in Port Angeles, Washington, and NPI 1386623791, issued on Jan 13, 2006. Check the license (Washington MD-00047501, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1386623791
Name
John Whiting Sisson
Credential
MD
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
MD-00047501 WA
Self-reported in NPPES; status is on the state search
Practice location
939 Caroline St, Port Angeles, WA 98362
Phone
(360) 417-7000
Enumerated
Jan 13, 2006
Record last updated
Apr 9, 2024
Fax
(360) 565-9241
Medicare enrollment
Enrolled (PECOS I20071018000241); 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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Also registered at 939 Caroline St

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

  1. Jan Adams, MDEmergency Medicine Physician1548221096
  2. Meghan Ahearn, M.D.Emergency Medicine Physician1568754943
  3. Nancy Ahlstrom, MDInternal Medicine Physician1962431122
  4. Lealyn Alin-Alin, NACNurse's Aide1922870831
  5. Rudo Ambayi, M.DHospitalist Physician1831381011
  6. Pamela Arnott, RNRegistered Nurse1164638722

Verify John Whiting Sisson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD-00047501
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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21% more Medicare Part D claims than the average emergency medicine physician in 2024

274 Medicare Part D claims for 208 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. 82 claims were for opioids.

  1. John Sisson274
  2. Specialty average226

Most prescribed

  1. Hydrocodone-Acetaminophen48 claims
  2. Cephalexin30 claims
  3. Prednisone22 claims
  4. Ondansetron Odt18 claims
  5. Oxycodone-Acetaminophen16 claims
  6. Amoxicillin-Clavulanate Potass14 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.

The MIPS final score for 2023 (Medicare payment program): 83.8 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score74.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%80.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Jefferson County Public Hospital District NO 2Port Townsend, WA

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

John Whiting Sisson among 1,459 emergency medicine physician records in Washington

John Whiting Sisson, MD is one of 1,459 emergency medicine physician records with a practice address in Washington. 74% 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 3% of them.

  • NPI issued2006 · 3% of these records are older, 55% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated1998 · median 2010 among the 851 with a school on file
  • Record last updated2024 · 62% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

14 emergency medicine physician records list a practice address in Port Angeles

They are 14 of the 1,273 NPPES records with a practice address in Port Angeles, and 1,459 emergency medicine physician records in Washington.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Jan Adams, MDPort Angeles, WA 983621548221096
  2. Meghan Ahearn, M.D.Port Angeles, WA 983621568754943
  3. Bradley Bringgold, M.D.Port Angeles, WA 983621205802824
  4. Stephen Churchley, MDPort Angeles, WA 983621285602706
  5. Phyllis Cowan, DOPort Angeles, WA 983621578978151
  6. Gregory Harrah, MDPort Angeles, WA 983621437106747
  7. Josiah Hill, MDPort Angeles, WA 983621881125433
  8. R Kennedy, MDPort Angeles, WA 983621447228960

Common questions

What is John Whiting Sisson, MD's NPI number?

John Whiting Sisson, MD's National Provider Identifier (NPI) is 1386623791, issued on Jan 13, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Whiting Sisson, MD located?

The NPPES record lists a practice address at 939 Caroline St, Port Angeles, WA, 98362. Phone: (360) 417-7000. Providers update this record themselves, so call before visiting.

How can I verify John Whiting Sisson, MD's license?

NPPES lists Washington license number MD-00047501, 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 John Whiting Sisson, MD prescribe under Medicare Part D?

In 2024, John Whiting Sisson, MD had 274 Medicare Part D claims for 208 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

What is John Whiting Sisson, MD's MIPS final score?

The 2023 MIPS final score is 83.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.