Doctor profile · Federal record

Dr. Naythea Johnson Sumter, MSN NP-C

Family Nurse Practitioner (CMS: Nurse Practitioner) · Family Nurse Practitioner · Family Nurse Practitioner · Oak Lawn, IL

  • NPI 1851424030
  • Accepts Medicare
  • 17 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4400 W 95Th St Fl 7
Oak Lawn, IL 604532654
(708) 684-8000
Additional location
6550 S Richmond St
Chicago, IL 606292821
(773) 863-0245
fax (773) 863-4201
Mailing address
29373 Network Pl
Chicago, IL 606731293

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
April 2, 2025
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State licenses (3)
Illinois #277-002076 · Illinois #041-327567 · Illinois #209008309

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851424030. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
259
Distinct HCPCS
4
Medicare allowed
$19,053
HCPCS Description Services Patients Avg allowed
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 87 57 $44
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 73 44 $71
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 69 64 $113
99221 Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes 30 30 $76

In context: peer comparison

Among 24 peers in this city , average services per provider: 66. This provider delivers 3.9× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Naythea Johnson Sumter's medical specialty?
Dr. Naythea Johnson Sumter practices Family Nurse Practitioner in Oak Lawn, IL.
Where does Dr. Naythea Johnson Sumter practice?
Dr. Naythea Johnson Sumter practices at 4400 W 95Th St Fl 7, Oak Lawn, IL 604532654. Office phone: 7086848000.
What is Dr. Naythea Johnson Sumter's NPI?
Dr. Naythea Johnson Sumter's National Provider Identifier (NPI) is 1851424030, issued by NPPES.
Does Dr. Naythea Johnson Sumter accept Medicare assignment?
Yes. Dr. Naythea Johnson Sumter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Naythea Johnson Sumter commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with straightforward or low level of medical decision making (HCPCS 99231); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.