NPPES file of Aug 9, 2026

Jonathan Hoyt Zarley, M.D.

Internal Medicine Physician · Sitka, AK

Jonathan Hoyt Zarley, M.D. is an internal medicine physician with a practice address in Sitka, Alaska, and NPI 1659586832, issued on May 11, 2007. Check the license (Alaska 3173, as entered in NPPES) on the Alaska State Medical Board; 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
1659586832
Name
Jonathan Hoyt Zarley
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
3173 AK
Self-reported in NPPES; status is on the state search
Practice location
222 Tongass Dr, Sitka, AK 99835
Phone
(907) 966-2411
Enumerated
May 11, 2007
Record last updated
Nov 19, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(907) 966-8300
Medicaid ID
MD3173 AK
Medicare enrollment
Enrolled (PECOS I20131217000820); accepts Medicare assignment
Medical or professional school
University Of Iowa, Rj & L Carver College Of Medicine, 1990
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 222 Tongass Dr

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

  1. Marcia Aceveda, CHAPCommunity Health Worker1699052480
  2. April Anderson, PT, D.P.T.Physical Therapist1467729822
  3. Christy AndersonCase Manager/Care Coordinator1073402517
  4. Tiffany Andres, MS, RDRegistered Dietitian1437136041
  5. Christina Anglin, RNRegistered Nurse1760673024
  6. Lisa Antonio, MDFamily Medicine Physician1679951438

Verify Jonathan Hoyt Zarley in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersAlaska State Medical Board
    Search for license 3173
    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 Alaska 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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99% fewer Medicare Part D claims than the average internal medicine physician in 2024

23 Medicare Part D claims for 14 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Jonathan Zarley23
  2. Specialty average3,176

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 2 group practices

  1. Midpacific Hospitalists LLCKamuela, HI
  2. Queens North Hawaii Community HospitalKamuela, HI

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

Jonathan Hoyt Zarley among 177 internal medicine physician records in Alaska

Jonathan Hoyt Zarley, M.D. is one of 177 internal medicine physician records with a practice address in Alaska. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 49% of them.

  • NPI issued2007 · 49% of these records are older, 42% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 52% of these records are
  • Graduated1990 · median 2010 among the 92 with a school on file
  • Record last updated2007 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Alaska practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Internal Medicine Physician providers in Alaska

There are 177 internal medicine physician records in Alaska.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Marilyn Coruzzi, MDSitka, AK 998351053487587
  2. Guillermo Espinoza, M.D.Sitka, AK 998351194081042
  3. Julien Naylor, MDSitka, AK 998351154354652
  4. William Cole, M.D.Juneau, AK 998011164442323
  5. Nathaniel Haddock, M.D.Juneau, AK 998011659397065
  6. Melissa Hynes, M.D.Juneau, AK 998011255479291
  7. Alex Malter, M.D.Juneau, AK 998011174549596
  8. Catherine Peimann, MDJuneau, AK 998011073619912

Common questions

What is Jonathan Hoyt Zarley, M.D.'s NPI number?

Jonathan Hoyt Zarley, M.D.'s National Provider Identifier (NPI) is 1659586832, issued on May 11, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jonathan Hoyt Zarley, M.D. located?

The NPPES record lists a practice address at 222 Tongass Dr, Sitka, AK, 99835. Phone: (907) 966-2411. Providers update this record themselves, so call before visiting.

How can I verify Jonathan Hoyt Zarley, M.D.'s license?

NPPES lists Alaska license number 3173, as entered by the provider. Search the Alaska State Medical Board at https://www.commerce.alaska.gov/web/cbpl/ProfessionalLicensing/StateMedicalBoard.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jonathan Hoyt Zarley, M.D. prescribe under Medicare Part D?

In 2024, Jonathan Hoyt Zarley, M.D. had 23 Medicare Part D claims for 14 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.