Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Endocrinology

Justina M. Deitz, DO

Works at hospitals in Englewood, NJ · Hackensack, NJ · Teaneck, NJ … · New Jersey

Summary

Dr. Justina M. Deitz, DO is an endocrinologist at 1 Diamond Hill Rd, Berkeley Heights, NJ 07922. Phone: (908) 273-4300. Accepts Medicare assignment. In 2024, Justina M. Deitz had 410 Original Medicare patients and 10,394 services. NPI 1699922880. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Justina M. Deitz, 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 Justina M. Deitz accept Medicare assignment?
Yes. Medicare's clinician data says Justina M. Deitz 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.
How many Medicare patients does Justina M. Deitz see?
In 2024, CMS data shows 410 Original Medicare patients and 10,394 services for Justina M. Deitz. This counts Original Medicare only and measures volume, not quality.
What is Justina M. Deitz's NPI number?
1699922880. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Justina M. Deitz, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients410
Services billed to Medicare10,394
Different services or procedures71
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Injection, denosumab, 1 mg (J0897)4,320 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)624 services
  3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)414 services
  4. Insertion of needle into vein for collection of blood sample (36415)161 services
  5. Blood test, comprehensive group of blood chemicals (80053)118 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High cholesterol75%
  • High blood pressure70%
  • Arthritis49%
  • Diabetes46%
  • Osteoporosis30%
  • Ischemic heart disease29%

Hospitals where Justina M. Deitz works

Medicare's Facility Affiliation Data lists Justina M. Deitz 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.

  • Englewood Hospital and Medical CenterEnglewood, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310045
  • Hackensack University Medical CenterHackensack, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310001
  • Holy Name Medical CenterTeaneck, NJ · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 310008
  • Valley HospitalParamus, NJ · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 310012

Practice locations

Addresses where Justina M. Deitz is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Justina M. Deitz as a member of this group (CMS data updated October 2, 2026).

  • Summit Medical Group PA1,212 clinicians in the group

Specialties

Find other Endocrinology doctors in New Jersey →

Other endocrinologists in Berkeley Heights

Clinicians with the same Medicare primary specialty in Berkeley Heights, NJ — not a recommendation.

All endocrinologists in Berkeley Heights →

Other clinicians in Summit Medical Group PA

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

Clinician information

CredentialDO
Medical schoolNew York College Of Osteo Medicine Of New York Institute Of Technology
Graduation year2001 (25 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1699922880
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. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians