MARK ALLEN FERNANDEZ (M.D.) – Internal Medicine Physician, NPI 1033114939

Internal Medicine Physician

MARK ALLEN FERNANDEZ (M.D.) is a healthcare provider. based in Peru, Illinois. specializing in Internal Medicine Physician. They hold the professional credentials M.D.. They hold a License No. 036-089936 (IL). The NPI Number for MARK ALLEN FERNANDEZ (M.D.) is 1033114939

Main info

Male

41 Years Of Experience

Accepts Medicare Assignment

Name

MARK ALLEN FERNANDEZ (M.D.)

NPI

1033114939

Phone

(815) 223-9214

Address

920 WEST ST

Enumeration Date

16 June 2005

Last Update Date

20 November 2008

Doctor Profile

Medical School Name

UNIVERSITY OF ILLINOIS COLLEGE OF MED (CHI/PEOR/ROCK/CHM-URB)

Secondary Phone

8152234400

Graduation Year

1985 (41 years ago)

PAC ID

2365417847

Group Practice PAC ID

1759274442

Professional Enrollment ID

I20040827001174

Data current as of

19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience68

Completeness75

Years active:20State licenses:2Digital endpointsOther names

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Provider Addresses for MARK ALLEN FERNANDEZ (M.D.)

West Street, Peru, LaSalle County, Illinois, 61354, United States
STE 311
PERU, IL 613542770
Phone: (815) 223-9214
Fax: (815) 223-9322
Mailing address matches the actual address.

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

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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)

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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 61354)

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Provider's Procedures

MARK ALLEN FERNANDEZ (M.D.) performs procedures in Internal Medicine Physician. See the list of HCPCS codes below.

Specialty	Practice State	HCPCS Code	Description	Service Count	Beneficiary Count
INTERNAL MEDICINE	IL	93010	Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report	1127	762

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: 1759274442View full group profile

Name	Specialty	State
LUCILLE DAMASAUSKAS (M.D.)	-	IL
L. ROYCE LARSEN (M.D.)	-	WA
CATHERINE RAE RENK	-	IL
MS. JONNELLE D SMITH (PA)	-	IL
INDRA PAL	-	IL
DR. JAY H ROSENBERG (M.D.)	-	IL
MICHELLE SERPICO (APRN)	-	IL