Doctor profile · Federal record

Dr. Mary Merlo, APRN, CNP

Nurse Practitioner · Family Nurse Practitioner · Orland Park, IL

  • NPI 1962892232
  • Accepts Medicare
  • MIPS 91.3 / 100 · 2023
  • 13 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
15300 West Ave Ste 223
Orland Park, IL 604624509
(708) 923-7874
fax (708) 923-7876

Credentials & registration

NPPES · NUCC
NPI registered
January 2015 — 11 yrs on file
Profile last updated
December 1, 2021
Year of graduation
2013 — 13 yrs since
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Illinois #277000500

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962892232. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
722
Distinct HCPCS
10
Medicare allowed
$65,050
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 239 173 $80
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 160 160 $114
99214 Established patient office or other outpatient visit, 30-39 minutes 148 124 $113
99442 Telephone medical discussion with physician, 11-20 minutes 32 32 $79
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing 22 21 $7
G0008 Administration of influenza virus vaccine 22 22 $32
81002 Urinalysis, manual test 21 21 $3
90662 Influenza vaccine split virus, preservative free 21 21 $72
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 15 15 $283
99212 Established patient office or other outpatient visit, 10-19 minutes 15 15 $50

In context: peer comparison

Among 11 peers in Orland Park Nurse Practitioner, average services per provider: 186. This provider delivers 3.9× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$102
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Exact Sciences Corporation 1 $102.48

By nature of payment

Food and Beverage
$102

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,519
Patients
525
Total drug cost
$29,387
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 424 70 $5,912
Atorvastatin Calcium Generic 313 68 $4,705
Amlodipine Besylate Generic 216 46 $1,486
Lisinopril Generic 215 39 $1,688
Pantoprazole Sodium Generic 204 44 $3,686
Omeprazole Generic 196 29 $1,744
Meloxicam Generic 161 33 $877
Montelukast Sodium Generic 122 29 $2,049
Hydrochlorothiazide Generic 121 26 $814
Losartan Potassium Generic 114 31 $1,142

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Merlo's medical specialty?
Dr. Mary Merlo practices Nurse Practitioner in Orland Park, IL.
Where does Dr. Mary Merlo practice?
Dr. Mary Merlo practices at 15300 West Ave Ste 223, Orland Park, IL 604624509. Office phone: 7089237874.
What is Dr. Mary Merlo's NPI?
Dr. Mary Merlo's National Provider Identifier (NPI) is 1962892232, issued by NPPES.
Does Dr. Mary Merlo accept Medicare assignment?
Yes. Dr. Mary Merlo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Merlo commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.