Active NPI 1033114939 Individual Practitioner Male Practitioner

Dr. Mark Allen Fernandez , MD

Internal Medicine • Peru, IL

Public Directory Information & Medical Disclaimer

This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Dr. Mark Fernandez, MD is a registered healthcare professional specializing in Internal Medicine in Peru, IL. Official NPI practice address is registered at 920 WEST ST.

Frequently performed procedures and clinical services include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, electrocardiogram (ecg) 2-day continuous with review by health care professional, ambulatory blood pressure monitoring, 1 day or longer, with review, interpretation and report. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.

Practice Location & Contact Primary Location

Practice Address

920 West St
Ste 311

Peru, IL 613542770

Telephone 8152239214

Fax 8152239322

Associated Practice Facility / Clinic

🏢 Valley Health Enterprise Facility NPI 1508903105

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Peru, IL

Active Practitioner

Practitioner Clinical Experience

Active

City Avg: 16.5 Yrs

State Avg: 28.9 Yrs

Regional Practice Density

5 Specialists

Practicing in Peru, IL (7544 Statewide)

Telehealth Adoption Rate

0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount

87.7% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Performed Procedures & Service Volume

Top Medicare Part B procedures performed by this practitioner

CMS Official Data (2021)

Reporting Year:

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	404	303	$38.24	$8.33
93227 Electrocardiogram (ecg) 2-day continuous with review by health care professional	19	19	$225.05	$18.63
93790 Ambulatory blood pressure monitoring, 1 day or longer, with review, interpretation and report	16	16	$224.63	$18.30
93244 Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days	14	13	$80.07	$24.55

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	1,094	553	$30.19	$8.56
0298T Review and interpretation of external EKG recording for more than 48 hours up to 21 days	15	15	$164.00	$26.72
93227 Electrocardiogram (ecg) 2-day continuous with review by health care professional	12	12	$223.00	$26.73

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	2,821	1,358	$29.38	$8.47
93227 Electrocardiogram (ecg) 2-day continuous with review by health care professional	54	52	$215.54	$26.36
0298T Review and interpretation of external EKG recording for more than 48 hours up to 21 days	46	46	$158.78	$26.39
99292 Critical care, each additional 30 minutes	39	25	$506.13	$112.04
99291 Critical care, first 30-74 minutes	30	30	$1263.67	$223.35
99406 Smoking and tobacco use intermediate counseling, greater than 3 minutes up to 10 minutes	12	11	$28.25	$12.37
99220 Hospital observation care, typically 70 minutes	12	12	$597.00	$184.66

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	2,379	1,326	$31.10	$8.36
0298T Review and interpretation of external EKG recording for more than 48 hours up to 21 days	51	50	$154.00	$25.80
93227 Electrocardiogram (ecg) 2-day continuous with review by health care professional	41	39	$209.12	$25.98
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes	30	24	$102.00	$44.30
99291 Critical care, first 30-74 minutes	21	21	$1224.57	$221.89
99292 Critical care, each additional 30 minutes	20	19	$540.65	$111.38
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	17	14	$139.00	$68.59

HCPCS Code & Description	Services	Patients	Submitted Charge	Medicare Allowed
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only	1,208	785	$32.24	$7.95
99307 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 10 minutes	155	47	$100.79	$41.40
99308 Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, at least 15 minutes	125	50	$137.56	$63.90
11042 Removal of skin and tissue, 20.0 sq cm or less	73	13	$363.26	$58.45
99212 Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more	67	16	$103.82	$23.86
99213 Established patient office or other outpatient visit, typically 15 minutes	60	19	$127.90	$48.00
97597 Removal of tissue from wound, 20.0 sq cm or less	40	15	$118.63	$21.89
99309 Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes	36	24	$197.89	$84.54
99306 Initial nursing facility visit, typically 45 minutes per day	24	20	$308.00	$155.18
99285 Emergency department visit for life threatening or functioning severity	21	21	$642.00	$164.77
99214 Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more	19	14	$179.68	$74.34
93227 Electrocardiogram (ecg) 2-day continuous with review by health care professional	19	19	$202.21	$25.18
99318 Nursing facility annual assessment, typically 30 minutes	12	12	$193.00	$92.35
99291 Critical care, first 30-74 minutes	11	11	$1169.73	$210.65

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License IL 036-089936

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Pediatrics

NUCC Taxonomy Code: 208000000X

State License IL 036089936

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Internal Medicine - Geriatric Medicine

NUCC Taxonomy Code: 207RG0300X

State License IL 036089936

An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

Additional State Medicaid & Healthcare Payer Identifiers

Medicaid State Provider ID

036089936 (IL)

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

2 Associated Practitioners

Dr. Michelle Vasquez , MD

Family Medicine

NPI 1164629531

Doctor of Medicine (M.D.)

Dr. Anju Patel , MD

Pediatrics

NPI 1407260110

Doctor of Medicine (M.D.)

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

7 Historical Events

✅

NPI Profile Active November 20, 2008

NPI status registered as active in NPPES database

📍

Updated Practice Location November 20, 2008

Registered at 920 WEST ST, STE 311, PERU, IL 613542770 (Tel: 8152239214)

📍

Updated Business Mailing Address November 20, 2008

Registered at 920 WEST ST, STE 311, PERU, IL 613542770 (Tel: 8152239214)

👤

Provider Name / Credentials Updated November 20, 2008

Recorded as MARK FERNANDEZ, M.D.

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 20, 2008

Internal Medicine (License #036-089936 in IL)

🎓

Medical Taxonomy / Specialty Registered (Primary Specialty) November 20, 2008

Internal Medicine (License #036089936 in IL)

🟢

Initial NPI Registration & Enumeration June 16, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

0 Reviews

No patient reviews submitted yet for Dr. Mark Fernandez. Be the first to share your experience!

Only verified registered users can submit ratings, post feedback, and upload facility photos.

NPI Administrative Meta

NPI Number: 1033114939

Entity Type:

Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)

Enumeration Date: June 16, 2005

Last Update: November 20, 2008

Sole Proprietor: No

Update or Correct Profile

Mailing Address

920 West St, Ste 311

Peru, IL 613542770

Phone: 8152239214

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).

⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.