Doctor profile · Federal record

Dr. Mary Dewberry-Lait, NP

Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Family Nurse Practitioner · Park Ridge, IL

  • NPI 1598811994
  • Accepts Medicare
  • 35 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1875 Dempster St Ste 180
Park Ridge, IL 600681144
(844) 725-5238
fax (847) 723-2791
Mailing address
29373 Network Pl
Chicago, IL 606733500

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
March 10, 2023
Year of graduation
1991 — 35 yrs since
Specialty taxonomy
363LA2200X — NUCC code
State license (1)
Illinois #209003909
Medicaid
IL #041235354

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1598811994. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
606
Distinct HCPCS
6
Medicare allowed
$58,230
HCPCS Description Services Patients Avg allowed
99497 Advance care planning, first 30 minutes 186 126 $67
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 151 76 $106
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 134 129 $153
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 69 42 $71
99498 Advance care planning, each additional 30 minutes 52 40 $63
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 14 14 $76

In context: peer comparison

Among 2 peers in this city , average services per provider: 110. This provider delivers 5.5× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
49
Patients
11
Total drug cost
$2,135
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 36 11 $1,742
Morphine Sulfate Er (Morphine Sulfate) Brand 13 0 $393

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Mary Dewberry-Lait's medical specialty?
Dr. Mary Dewberry-Lait practices Adult Health Nurse Practitioner in Park Ridge, IL.
Where does Dr. Mary Dewberry-Lait practice?
Dr. Mary Dewberry-Lait practices at 1875 Dempster St Ste 180, Park Ridge, IL 600681144. Office phone: 8447255238.
What is Dr. Mary Dewberry-Lait's NPI?
Dr. Mary Dewberry-Lait's National Provider Identifier (NPI) is 1598811994, issued by NPPES.
Does Dr. Mary Dewberry-Lait accept Medicare assignment?
Yes. Dr. Mary Dewberry-Lait accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mary Dewberry-Lait commonly perform?
Top Medicare-reported procedures in 2023: Advance care planning (HCPCS 99497); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.