DR. LOWELL H KALLEN (M.D.) – Child & Adolescent Psychiatry Physician, NPI 1528053949

DR. LOWELL H KALLEN (M.D.) is a healthcare provider. based in Southbridge, Massachusetts. specializing in PSYCHIATRY. They hold the professional credentials M.D.. They hold a License No. 029573 (CT). The NPI Number for DR. LOWELL H KALLEN (M.D.) is 1528053949

Main info

Male
58 Years Of Experience
Accepts Medicare Assignment
Name
DR. LOWELL H KALLEN (M.D.)
NPI
1528053949
Phone
(508) 909-7799
Address
PO BOX 40
Enumeration Date
12 September 2005
Last Update Date
6 January 2025

Doctor Profile

Medical School Name
JOHNS HOPKINS UNIVERSITY SCHOOL OF MEDICINE
Secondary Phone
8883165221
Graduation Year
1968 (58 years ago)
PAC ID
5193799682
Group Practice PAC ID
7719363886
Professional Enrollment ID
I20150427001946
Address ID
CT062392816DA245XXSTXX300
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience78
Completeness75
Years active:20State licenses:2Digital endpointsOther names

851 PSYCHIATRY in CT

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Provider Addresses for DR. LOWELL H KALLEN (M.D.)

  • PO BOX 40

    SOUTHBRIDGE, MA 015500040

    Phone: (508) 909-7799

    Type: Mailing

  • 17, Kennedy Drive, Putnam, Northeastern Connecticut Planning Region, Connecticut, 06260, United States

    PUTNAM, CT 062601939

    Phone: (860) 821-2985

    Fax: (860) 821-2988

    Type: Location

  • 245 MAIN ST

    DANIELSON, CT 062392816

    Phone: (888) 316-5221

    Fax: (866) 203-2138

    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.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2015-04-27

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20150427001946IPsychiatryCTTBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

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 01550)

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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: 7719363886View full group profile
NameSpecialtyState
Clinical Social WorkerCT
Mental Health CounselorCT
Mental Health CounselorCT
Clinical Social WorkerCT
Mental Health CounselorCT
Mental Health CounselorCT
Mental Health CounselorCT
Clinical PsychologistCT

Reviews

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Frequently asked questions

How do I look up DR. LOWELL H KALLEN (M.D.) by NPI?
Use NPI 1528053949 when you need to reference DR. LOWELL H KALLEN (M.D.) in forms, claims, or directories.
Does this profile mean DR. LOWELL H KALLEN (M.D.) is currently active?
Yes — DR. LOWELL H KALLEN (M.D.) appears active in the national provider directory.
What does DR. LOWELL H KALLEN (M.D.) treat or focus on?
Patients typically see DR. LOWELL H KALLEN (M.D.) under the specialty Child & Adolescent Psychiatry Physician. Clinical services aligned with this taxonomy classification.
Where is DR. LOWELL H KALLEN (M.D.)'s primary listing?
We display Southbridge, Massachusetts because that is what the record indicates for DR. LOWELL H KALLEN (M.D.).
Does Medicare enrollment show here?
Medicare enrollment screens are separate from the basic NPI extract shown here.

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