Doctor profile · Federal record

Dr. Nijuanna Irby-Johnson, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Northville, MI

  • NPI 1366652760
  • Accepts Medicare
  • 22 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
39901 Traditions Dr
Northville, MI 481689493
(248) 305-4400
Mailing address
3621 S State St
Ann Arbor, MI 481081633

Credentials & registration

NPPES · NUCC
NPI registered
May 2007 — 19 yrs on file
Profile last updated
December 14, 2020
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Michigan #4301084047

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366652760. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
137
Distinct HCPCS
3
Medicare allowed
$17,603
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 94 42 $120
99215 Established patient office or other outpatient visit, 40-54 minutes 22 16 $173
99443 Telephone medical discussion with physician, 21-30 minutes 21 15 $121

In context: peer comparison

Among 4 peers in Northville Internal Medicine Physician, average services per provider: 45. This provider delivers 3.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
626
Patients
156
Total drug cost
$9,480
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 123 40 $1,490
Atorvastatin Calcium Generic 92 34 $1,280
Losartan Potassium Generic 82 29 $1,630
Metoprolol Succinate Generic 45 15 $1,067
Lisinopril Generic 43 12 $466
Hydrochlorothiazide Generic 37 14 $180
Lisinopril-Hydrochlorothiazide (Lisinopril/Hydrochlorothiazide) Brand 33 0 $351
Omeprazole Generic 27 12 $524
Metformin Hcl Generic 26 0 $221
Metoprolol Tartrate Generic 23 0 $154

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nijuanna Irby-Johnson's medical specialty?
Dr. Nijuanna Irby-Johnson practices Internal Medicine Physician in Northville, MI.
Where does Dr. Nijuanna Irby-Johnson practice?
Dr. Nijuanna Irby-Johnson practices at 39901 Traditions Dr, Northville, MI 481689493. Office phone: 2483054400.
What is Dr. Nijuanna Irby-Johnson's NPI?
Dr. Nijuanna Irby-Johnson's National Provider Identifier (NPI) is 1366652760, issued by NPPES.
Does Dr. Nijuanna Irby-Johnson accept Medicare assignment?
Yes. Dr. Nijuanna Irby-Johnson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nijuanna Irby-Johnson commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Telephone medical discussion with physician (HCPCS 99443). Source: CMS Medicare Physician & Other Practitioners file.