MICHAEL L KIEFFER (PHD) – Psychologist, NPI 1659342863

Psychologist

MICHAEL L KIEFFER (PHD) is a healthcare provider. based in Lakeland, Florida. specializing in Psychologist. They hold the professional credentials PHD. They hold a License No. PY3739 (FL). The NPI Number for MICHAEL L KIEFFER (PHD) is 1659342863

Main info

Male

41 Years Of Experience

Accepts Medicare Assignment

Name

MICHAEL L KIEFFER (PHD)

NPI

1659342863

Phone

(863) 668-3465

Address

1600 LAKELAND HILLS BLVD

Enumeration Date

27 January 2006

Last Update Date

2 January 2025

Doctor Profile

Medical School Name

INDIANA UNIVERSITY SCHOOL OF MEDICINE

Secondary Phone

8636807000

Graduation Year

1985 (41 years ago)

PAC ID

3971686692

Group Practice PAC ID

1456258979

Professional Enrollment ID

I20080218000641

Contacts

Secure Messaging

mkieffer6741@direct.watsonclinicad.com

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience64

Completeness85

Years active:20State licenses:1Other namesUpdated within 12 months

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Provider Addresses for MICHAEL L KIEFFER (PHD)

1600, Lakeland Hills Boulevard, Lakeland, Polk County, Florida, 33805, United States
LAKELAND, FL 338053019
Phone: (863) 668-3465
Fax: (866) 264-8519
Type: Location
529 LAUREL HL
LAKELAND, FL 338131648
Phone:
Type: Mailing

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.

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.

Top Medicare procedures (2023) · refreshed 2026-05-27

HCPCS	Description	Services	Beneficiaries	Medicare allowed
90837	Psychotherapy, 1 hour	363	41	$0
90791	Psychiatric diagnostic evaluation	11	11	$0

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Insurance plans in this area (ZIP 33805)

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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: 1456258979View full group profile

Name	Specialty	State
DANTON MANABAT SUN (MD)	-	FL
REAH LEIGH ESTIMO ARMAMENTO (PT)	-	FL
BRANDI NICOLE PLUMMER (APRN)	Nurse Practitioner	FL
KATRINA OCONNOR (APRN, ANP-C)	-	FL
MICHELLE GORDON TROYER (APRN)	Nurse Practitioner	FL
DR. CHARLENE ORIS RECTO (MD)	-	FL
D.J. NELSON (APRN)	-	FL
ANN LAUREL LICHT (MD)	-	FL
MS. BETSY ANDERSON (PT)	-	FL
PAMELA ELIZABETH SPARKMAN (PA-C)	Physician Assistant	FL