NPPES file of Aug 9, 2026

Julie Anne Zacharias-Simpson, DO

Geriatric Medicine (Family Medicine) Physician · Henderson, NV

Julie Anne Zacharias-Simpson, DO is a geriatric medicine (family medicine) physician with a practice address in Henderson, Nevada, and NPI 1609070341, issued on Jun 14, 2007. Check the license (Nevada DO1636, as entered in NPPES) on the Nevada State Board of Medical Examiners; 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
1609070341
Name
Julie Anne Zacharias-Simpson
Credential
DO
Primary taxonomy
Geriatric Medicine (Family Medicine) Physician 207QG0300X
License number
DO1636 NV
Self-reported in NPPES; status is on the state search
Practice location
874 American Pacific Dr, Henderson, NV 89014
Phone
(702) 777-4809
Enumerated
Jun 14, 2007
Record last updated
Oct 21, 2025
Fax
(702) 777-4822
Medicare enrollment
Enrolled (PECOS I20110922000059); accepts Medicare assignment
Medical or professional school
University Of North Texas Hsc, College Of Osteopathic Med, 2007
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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8 nearest geriatric medicine (family medicine) physician records → All 13 in Nevada → Look up another NPI →

Also registered at 874 American Pacific Dr

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

  1. Tuscany AuerbachPhysician Assistant1144069774
  2. Robert Baker, D.O.Neuromusculoskeletal Medicine & OMM Physician1558643155
  3. Michelle BendahPhysician Assistant1396561023
  4. Chelsea Booth, M.S., OTR/LPediatric Occupational Therapist1104142967
  5. Kayla Boucher, OTOccupational Therapist1336496967
  6. Megan Burns, PA-CPhysician Assistant1811856008

Verify Julie Anne Zacharias-Simpson in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNevada State Board of Medical Examiners
    Search for license DO1636    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 Nevada license search

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52% fewer Medicare Part D claims than the average geriatric medicine (family medicine) physician in 2024

2,518 Medicare Part D claims for 164 beneficiaries, against an average of 5,222 among the 1,271 providers of this specialty who prescribed in Part D. 57 claims were for opioids.

  1. Julie Zacharias-Simpson2,518
  2. Specialty average5,222

Most prescribed

  1. Atorvastatin Calcium152 claims
  2. Amlodipine Besylate140 claims
  3. Levothyroxine Sodium119 claims
  4. Gabapentin96 claims
  5. Hydrochlorothiazide80 claims
  6. Losartan Potassium79 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. Dignity Health Medical Group Nevada LLCLas Vegas, NV

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

Julie Anne Zacharias-Simpson among 13 geriatric medicine (family medicine) physician records in Nevada

Julie Anne Zacharias-Simpson, DO is one of 13 geriatric medicine (family medicine) physician records with a practice address in Nevada. 85% 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 38% of them.

  • NPI issued2007 · 38% of these records are older, 46% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileYes · 77% of these records are
  • Graduated2007 · median 2007 among the 10 with a school on file
  • Record last updated2025 · 23% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QG0300X and a Nevada practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Family Medicine) Physician providers in Nevada

There are 13 geriatric medicine (family medicine) physician records in Nevada.

All 13 in Nevada → Every provider in Henderson → Geriatric Medicine (Family Medicine) Physician nationwide →

The 8 geriatric medicine (family medicine) physician records with the nearest ZIP codes

  1. Peter Tran, DOHenderson, NV 890121598762353
  2. Jaime Gerber, M.D.Las Vegas, NV 891041457471443
  3. Michael Nguyen, D.O.Las Vegas, NV 891131063810935
  4. Anthony Arslan, D.O.Las Vegas, NV 891281619132800
  5. Roopa Dani, MDLas Vegas, NV 891481063482180
  6. Mary Rose Diana De La Cruz, APRNLas Vegas, NV 891481619851953
  7. Alvin Lin, MDLas Vegas, NV 891481235170820
  8. Lisa Thayer, APRNSparks, NV 894361164241154

Common questions

What is Julie Anne Zacharias-Simpson, DO's NPI number?

Julie Anne Zacharias-Simpson, DO's National Provider Identifier (NPI) is 1609070341, issued on Jun 14, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Julie Anne Zacharias-Simpson, DO located?

The NPPES record lists a practice address at 874 American Pacific Dr, Henderson, NV, 89014. Phone: (702) 777-4809. Providers update this record themselves, so call before visiting.

How can I verify Julie Anne Zacharias-Simpson, DO's license?

NPPES lists Nevada license number DO1636, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Julie Anne Zacharias-Simpson, DO prescribe under Medicare Part D?

In 2024, Julie Anne Zacharias-Simpson, DO had 2,518 Medicare Part D claims for 164 beneficiaries; the average among geriatric medicine (family medicine) physician prescribers was 5,222. 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.

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.