Doctor profile · Federal record

Dr. Aji Njie, M.D.

Infectious Disease Physician (CMS: Infectious Disease) · Student in an Organized Health Care Education/Training Program · Worcester, MA

  • NPI 1295120368
  • Accepts Medicare
  • 14 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
55 Lake Ave N
Worcester, MA 01655
(508) 334-1000
Additional location
6071 W Outer Dr, Department of Medicine 4Th Floor
Detroit, MI 48235
(313) 966-7434
fax (313) 966-1738

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
November 11, 2022
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
207RI0200X — NUCC code
State license (1)
Wisconsin #75793

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295120368. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,042
Distinct HCPCS
5
Medicare allowed
$90,270
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 763 214 $74
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 138 109 $112
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 79 77 $161
99213 Established patient office or other outpatient visit, 20-29 minutes 47 40 $85
99214 Established patient office or other outpatient visit, 30-39 minutes 15 14 $120

In context: peer comparison

Among 11 peers in Worcester Infectious Disease Physician, average services per provider: 72. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
182
Patients
23
Total drug cost
$62,551
Drug Type Claims Patients Total cost
Cefazolin Sodium Generic 30 0 $1,320
Ceftriaxone (Ceftriaxone Sodium) Brand 26 0 $4,548
Ampicillin Sodium Generic 24 0 $14,603
Cefepime Hcl Generic 24 0 $8,010
Cephalexin Generic 20 12 $433
Daptomycin Generic 19 0 $28,742
Meropenem Generic 15 0 $2,497
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 13 11 $303
Vancomycin Hcl Generic 11 0 $2,095

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Aji Njie's medical specialty?
Dr. Aji Njie practices Infectious Disease Physician in Worcester, MA.
Where does Dr. Aji Njie practice?
Dr. Aji Njie practices at 55 Lake Ave N, Worcester, MA 01655. Office phone: 5083341000.
What is Dr. Aji Njie's NPI?
Dr. Aji Njie's National Provider Identifier (NPI) is 1295120368, issued by NPPES.
Does Dr. Aji Njie accept Medicare assignment?
Yes. Dr. Aji Njie accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Aji Njie commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); 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.