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Internal Medicine

Valentine O. Obi, MD

Works at hospitals in Staten Island, NY · New York

Summary

Dr. Valentine O. Obi, MD is an internal medicine doctor at 185 Central Ave, East Orange, NJ 07018. Phone: (973) 676-1084. Accepts Medicare assignment. In 2024, Valentine O. Obi had 303 Original Medicare patients and 754 services. NPI 1639524937. 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: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 185 Central Ave, East Orange, NJ 07018 · Directions (4 more locations)
  • Phone: (973) 676‑1084
  • Medicare: Accepts Medicare assignment
  • Hospital: Richmond University Medical Center
  • Group practice: Amboy Medical Practice PC
  • Medical school: graduated 1995 (31 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Valentine O. Obi, 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 Valentine O. Obi accept Medicare assignment?
Yes. Medicare's clinician data says Valentine O. Obi 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 Valentine O. Obi see?
In 2024, CMS data shows 303 Original Medicare patients and 754 services for Valentine O. Obi. This counts Original Medicare only and measures volume, not quality.
What is Valentine O. Obi's NPI number?
1639524937. 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 Valentine O. Obi, 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 patients303
Services billed to Medicare754
Different services or procedures22
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)270 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)133 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)130 services
  4. Hospital discharge day management, 30 minutes or less (99238)47 services
  5. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)30 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%
  • Diabetes67%
  • Arthritis54%
  • Ischemic heart disease47%
  • Chronic kidney disease45%

Hospitals where Valentine O. Obi works

Medicare's Facility Affiliation Data lists Valentine O. Obi 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 Valentine O. Obi is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Valentine O. Obi as a member of this group (CMS data updated October 2, 2026).

  • Amboy Medical Practice PC173 clinicians in the group

Specialties

Find other Internal Medicine doctors in New Jersey →

Other internal medicine doctors in East Orange

Clinicians with the same Medicare primary specialty in East Orange, NJ — not a recommendation.

All internal medicine doctors in East Orange →

Other clinicians in Amboy Medical Practice PC

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

Clinician information

CredentialMD
Graduation year1995 (31 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639524937
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