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Orthopedic Surgery

Gregory Montalbano, MD

Works at hospitals in New York, NY · New York

Summary

Dr. Gregory Montalbano, MD is an orthopedic surgeon at 540 Bordentown Ave, South Amboy, NJ 08879. Phone: (732) 525-2227. May accept Medicare assignment. In 2024, Gregory Montalbano had 950 Original Medicare patients and 20,307 services. NPI 1487654273. 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.

  • Specialty: Orthopedic surgeon (Medicare lists Orthopedic Surgery)
  • Address: 540 Bordentown Ave, South Amboy, NJ 08879 · Directions (1 more location)
  • Phone: (732) 525‑2227
  • Medicare: May accept Medicare assignment
  • Hospital: NYU Langone Hospitals
  • Group practice: Gregory Montalbano MD, PLLC
  • Medical school: Albany Medical College Of Union University · graduated 1992 (34 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Gregory Montalbano, 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 Gregory Montalbano accept Medicare assignment?
Medicare's clinician data says Gregory Montalbano may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
How many Medicare patients does Gregory Montalbano see?
In 2024, CMS data shows 950 Original Medicare patients and 20,307 services for Gregory Montalbano. This counts Original Medicare only and measures volume, not quality.
What is Gregory Montalbano's NPI number?
1487654273. 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 Gregory Montalbano, 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 patients950
Services billed to Medicare20,307
Different services or procedures141
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Injection, methylprednisolone acetate, 1 mg (J1010)7,740 services
  2. Therapy procedure using exercise to develop strength, endurance, range of motion, and flexibility, each 15 minutes (97110)2,582 services
  3. Therapy procedure using manual technique, each 15 minutes (97140)2,091 services
  4. Therapy procedure to re-educate brain-to-nerve-to-muscle function, each 15 minutes (97112)1,965 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,029 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 blood pressure75%
  • High cholesterol75%
  • Arthritis75%
  • Diabetes54%
  • Ischemic heart disease34%
  • Anxiety24%

Hospitals where Gregory Montalbano works

Medicare's Facility Affiliation Data lists Gregory Montalbano 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.

  • NYU Langone HospitalsNew York, NY · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 330214

Practice locations

Addresses where Gregory Montalbano is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Gregory Montalbano as a member of this group (CMS data updated October 2, 2026).

  • Gregory Montalbano MD, PLLC7 clinicians in the group

Specialties

Find other Orthopedic Surgery doctors in New Jersey →

Other orthopedic surgeons in New Jersey

Clinicians with the same Medicare primary specialty in New Jersey — not a recommendation.

All orthopedic surgeons in New Jersey →

Other clinicians in Gregory Montalbano MD, PLLC

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

Clinician information

CredentialMD
Medical schoolAlbany Medical College Of Union University
Graduation year1992 (34 years since medical school)
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1487654273
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