NPPES file of Aug 9, 2026

Zachary Naren Litvack, M.D.

Neurological Surgery Physician · Seattle, WA

Zachary Naren Litvack, M.D. is a neurological surgery physician with a practice address in Seattle, Washington, and NPI 1235347980, issued on May 18, 2007. Check the license (Washington MD60626539, 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
1235347980
Name
Zachary Naren Litvack
Credential
M.D.
Primary taxonomy
Neurological Surgery Physician 207T00000X
License numbers
MD60626539 WA
MD039810 DC
243127 MA
D73185 MD
0101250293 VA
Self-reported in NPPES; status is on the state search
Practice location
1600 E Jefferson St, Seattle, WA 98122
Phone
(206) 320-2617
Enumerated
May 18, 2007
Record last updated
May 2, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(206) 320-3944
Medicare enrollment
Enrolled (PECOS I20160512001300); accepts Medicare assignment
Medical or professional school
Warren Alpert Medical School Of Brown University, 2003
Telehealth
Offers telehealth (CMS)
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 1600 E Jefferson St

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

  1. Jenna Bailey, NDNaturopath1326592304
  2. Glenn Barnhart, MDThoracic Surgery (Cardiothoracic Vascular Surgery) Physician1568464154
  3. Joycelyn Becenti, PA-CPhysician Assistant1699841114
  4. Amanda Boulis, PAPhysician Assistant1992973044
  5. Marvin Brooke, MDPhysical Medicine & Rehabilitation Physician1750336913
  6. Philip Capp, MDFamily Medicine Physician1427161744

Verify Zachary Naren Litvack in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWashington Medical Commission
    Search for license MD60626539
    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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81% fewer Medicare Part D claims than the average neurological surgery physician in 2024

33 Medicare Part D claims for 20 beneficiaries, against an average of 172 among the 4,378 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Zachary Litvack33
  2. Specialty average172

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. Swedish Health ServicesSeattle, WA

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

Neurological Surgery Physician providers in Washington

There are 232 neurological surgery physician records in Washington.

Other neurological surgery physician records in Washington

  1. Sergey Abeshaus, MDSeattle, WA1770870859
  2. Bamidele Adebayo, MDSeattle, WA1255176194
  3. Abdulaziz Alali, MD, PHDSeattle, WA1881104164
  4. Majid Aljoghaiman, MDSeattle, WA1265275804
  5. Abdulrahman AlmansouriSeattle, WA1447108055
  6. Abdullah Alobaid, MD, FRCSCSeattle, WA1326456682
  7. Abraham Alvarado-Gonzalez, MDSeattle, WA1346642501
  8. Anubhav Amin, M.D.Seattle, WA1659773117
  9. Joseph Antonios, MD, PHDSeattle, WA1447815980
  10. Mohammed Aref, MD, MBBS, FRCSCSeattle, WA1770015133

Common questions

What is Zachary Naren Litvack, M.D.'s NPI number?

Zachary Naren Litvack, M.D.'s National Provider Identifier (NPI) is 1235347980, issued on May 18, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Zachary Naren Litvack, M.D. located?

The NPPES record lists a practice address at 1600 E Jefferson St, Seattle, WA, 98122. Phone: (206) 320-2617. Providers update this record themselves, so call before visiting.

How can I verify Zachary Naren Litvack, M.D.'s license?

NPPES lists Washington license number MD60626539, 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 Zachary Naren Litvack, M.D. prescribe under Medicare Part D?

In 2024, Zachary Naren Litvack, M.D. had 33 Medicare Part D claims for 20 beneficiaries; the average among neurological surgery physician prescribers was 172. Part D covers Medicare prescriptions only.

What is Zachary Naren Litvack, M.D.'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.