DR. GERALD M KLEIN – Diagnostic Radiology Physician, NPI 1689653438

DR. GERALD M KLEIN is a healthcare provider. based in Altamonte springs, Florida. specializing in Diagnostic Radiology Physician. They hold a License No. ME 24355 (FL). The NPI Number for DR. GERALD M KLEIN is 1689653438

Main info

Male
55 Years Of Experience
Accepts Medicare Assignment
Name
DR. GERALD M KLEIN
NPI
1689653438
Phone
(407) 767-0433
Address
150 N WESTMONTE DR
Enumeration Date
11 January 2006
Last Update Date
8 July 2007

Doctor Profile

Medical School Name
JEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Secondary Phone
3217263800
Graduation Year
1971 (55 years ago)
PAC ID
2365484110
Group Practice PAC ID
1658265079
Professional Enrollment ID
I20050908001080
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 DR. GERALD M KLEIN

  • 150, Westmonte Drive, Weathersfield, Altamonte Springs, Seminole County, Florida, 32714, United States

    ALTAMONTE SPRINGS, FL 327143342

    Phone: (407) 767-0433

    Fax: (407) 767-0608

    Type: Mailing

  • 4200, Ponce de Leon Boulevard, Sun 'n Lake of Sebring, Sebring, Highlands County, Florida, 33872, United States

    SEBRING, FL 338721986

    Phone: (863) 381-4329

    Fax: (863) 402-3416

    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: 2005-09-08

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
I20050908001080IDiagnostic RadiologyFLTBD

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 32714)

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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: 1658265079View full group profile
NameSpecialtyState
-FL
Diagnostic RadiologyCT
Cardiovascular Disease (Cardiology)FL
-FL
Cardiovascular Disease (Cardiology), Internal Medicine, Nuclear MedicineFL
Diagnostic RadiologyFL
-FL
Diagnostic RadiologyMA
-FL

Reviews

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Frequently asked questions

How is DR. GERALD M KLEIN identified in CMS data?
CMS-hosted NPPES data lists DR. GERALD M KLEIN with NPI 1689653438.
Is DR. GERALD M KLEIN still practicing?
DR. GERALD M KLEIN is currently listed as active in the public NPI registry.
What is DR. GERALD M KLEIN best known for clinically?
Directory data describes DR. GERALD M KLEIN with Diagnostic Radiology Physician. Clinical services aligned with this taxonomy classification.
What address line appears for DR. GERALD M KLEIN?
DR. GERALD M KLEIN's geographic hint is Altamonte Springs, Florida in our summary view.
Is the information about DR. GERALD M KLEIN up to date?
Data updates when providers file changes in NPPES — treat critical facts as "verify if unsure."

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