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Internal Medicine

Zachary P. Lang, DO

Works at hospitals in Tucson, AZ · Sahuarita, AZ · Arizona

Summary

Dr. Zachary P. Lang, DO is an internal medicine doctor at 1551 E Tangerine Rd, Oro Valley, AZ 85755. Phone: (520) 229-2657. Accepts Medicare assignment. NPI 1093465023. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

From official Medicare data

This page shows what Medicare's official clinician data says about Zachary P. Lang, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Zachary P. Lang accept Medicare assignment?
Yes. Medicare's clinician data says Zachary P. Lang accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Zachary P. Lang's NPI number?
1093465023. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Zachary P. Lang works

Medicare's Facility Affiliation Data lists Zachary P. Lang at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Zachary P. Lang is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Zachary P. Lang as a member of this group (CMS data updated October 2, 2026).

  • Northwest HBP Medical Services LLC284 clinicians in the group

Specialties

Find other Internal Medicine doctors in Arizona →

Other internal medicine doctors in Oro Valley

Clinicians with the same Medicare primary specialty in Oro Valley, AZ — not a recommendation.

All internal medicine doctors in Oro Valley →

Other clinicians in Northwest HBP Medical Services LLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolArizona College Of Osteopathic Medicine Mid Western University
Graduation year2022 (4 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1093465023
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians