JOHN L KIENTZ (MD) – Internal Medicine Physician, NPI 1568450393

JOHN L KIENTZ (MD) is a healthcare provider. based in Belfast, Maine. specializing in Internal Medicine Physician. They hold the professional credentials MD. They hold a License No. C4888 (AR). The NPI Number for JOHN L KIENTZ (MD) is 1568450393

Main info

Male
Sole Proprietor
52 Years Of Experience
Accepts Medicare Assignment
Name
JOHN L KIENTZ (MD)
NPI
1568450393
Phone
(479) 709-7445
Address
PO BOX 11449
Enumeration Date
6 October 2005
Last Update Date
5 August 2016

Doctor Profile

Medical School Name
UNIVERSITY OF ARKANSAS COLLEGE OF MEDICINE
Secondary Phone
4795737840
Graduation Year
1974 (52 years ago)
PAC ID
6406824689
Group Practice PAC ID
0648514133
Professional Enrollment ID
I20040924000488
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for JOHN L KIENTZ (MD)

  • PO BOX 11449

    BELFAST, ME 049154005

    Phone: (479) 709-7445

    Fax: (479) 573-7849

    Type: Mailing

  • Sparks Medical Plaza, 1500, Dodson Avenue, Fort Smith, Sebastian County, Arkansas, 72901, United States

    STE 180

    FORT SMITH, AR 729015182

    Phone: (479) 709-7445

    Fax: (479) 573-7849

    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.

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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.

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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 04915)

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Provider's Procedures

JOHN L KIENTZ (MD) performs procedures in Internal Medicine Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERNAL MEDICINEAR90670Pneumococcal vaccine for injection into muscle3030

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: 0648514133View full group profile
NameSpecialtyState
-ME
Critical Care (Intensivists)AR
Internal MedicineAR
Family PracticeAR
Pulmonary Disease, Critical Care (Intensivists), Internal MedicineOH
-AR
Family Practice, Emergency MedicineAR
-AR
-AR
-GA

Reviews

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Frequently asked questions

What NPI should I save for JOHN L KIENTZ (MD)?
Save NPI 1568450393 if you need a stable reference for JOHN L KIENTZ (MD).
Is JOHN L KIENTZ (MD)'s enrollment marked active?
An active flag here means the NPI record is not in a deactivated state.
Does JOHN L KIENTZ (MD) list a primary specialty?
If you are matching referrals, note Internal Medicine Physician for JOHN L KIENTZ (MD). Clinical services aligned with this taxonomy classification.
Does JOHN L KIENTZ (MD) practice in Maine?
You will see Belfast, Maine on file for JOHN L KIENTZ (MD) alongside any extra practice locations.
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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