DR. LEON WALLER (M.D.) – Internal Medicine Physician, NPI 1497847131

DR. LEON WALLER (M.D.) is a healthcare provider. based in Morris plains, New Jersey. specializing in Internal Medicine Physician. They hold the professional credentials M.D.. They hold a License No. MB340004 (NJ). The NPI Number for DR. LEON WALLER (M.D.) is 1497847131

Main info

Male
50 Years Of Experience
Accepts Medicare Assignment
Name
DR. LEON WALLER (M.D.)
NPI
1497847131
Phone
(973) 538-1800
Address
59 KOCH AVE
Enumeration Date
29 September 2006
Last Update Date
27 April 2017

Doctor Profile

Medical School Name
OTHER
Secondary Phone
9735381800
Graduation Year
1976 (50 years ago)
PAC ID
7618963414
Group Practice PAC ID
6406742592
Professional Enrollment ID
I20040426000040
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience52
Completeness75
Years active:19State licenses:1Digital endpointsOther names

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Provider Addresses for DR. LEON WALLER (M.D.)

  • Greystone Park Psychiatric Hospital, 59, Koch Avenue, Morris Plains, Morris County, New Jersey, 07950, United States

    MORRIS PLAINS, NJ 079504400

    Phone: (973) 538-1800

    Fax: (973) 889-8799

    Type: Mailing

  • 50, Pompton Avenue, Verona, Essex County, New Jersey, 07009, United States

    VERONA, NJ 070442917

    Phone: (201) 896-0900

    Fax: (201) 896-2627

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 07950)

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Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 6406742592View full group profile
NameSpecialtyState
DR. PANKAJA ACHAR (MD)
Internal Medicine, Emergency MedicineNJ
DR. GEORGE A MERCADO (MD)
P S Y C H I A T R YKY
SYED FAHIM ALAM (MD)
P S Y C H I A T R YNJ
RACHEL D BERBERABE (RN, BSN)
Nurse PractitionerNJ
MRS. YINGQIAO CHEN (PMHNP)
Nurse PractitionerNJ
ILEANA ORTIZ-EVANS (MD)
Family PracticeMD
DR. WALTER MICHAEL BAKUN (MD)
-NJ
DR. ARUP KUMAR ROY (M.D.)
-NJ
DR. TODD JOZSA (M.D.)
Internal MedicinePA
EDITH CHIZUBE ADIEZE
Nurse PractitionerNJ

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Frequently asked questions

Is DR. LEON WALLER (M.D.) listed with a National Provider Identifier?
Yes — DR. LEON WALLER (M.D.) has NPI 1497847131 on file in the registry.
Is DR. LEON WALLER (M.D.) shown as active in public data?
Registry records indicate DR. LEON WALLER (M.D.) maintains an active NPI.
How would a patient describe DR. LEON WALLER (M.D.)'s focus?
For DR. LEON WALLER (M.D.), the primary taxonomy reads as Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Is DR. LEON WALLER (M.D.) located near Morris Plains?
DR. LEON WALLER (M.D.) currently maps to Morris Plains, New Jersey in this extract.
Does inactive status remove historical data?
Historical rows can remain visible after status changes — read the dates carefully.

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