Doctor profile · Federal record

Dr. Johnson Kay

Rheumatology Physician (CMS: Rheumatology) · Internal Medicine Physician · Rheumatology Physician · Hospitalist Physician · Las Vegas, NV

  • NPI 1184688061
  • Accepts Medicare
  • 21 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4475 S Eastern Ave Ste 2400
Las Vegas, NV 891197826
(702) 954-7672
Mailing address
3016 W Charleston Blvd Ste 100
Las Vegas, NV 891021973

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
July 29, 2022
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
207RR0500X — NUCC code
State licenses (2)
Nevada #DO 1995 · California #20A 9805

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1184688061. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
104
Distinct HCPCS
3
Medicare allowed
$13,122
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 62 35 $125
99204 New patient office or other outpatient visit, 45-59 minutes 25 25 $158
99213 Established patient office or other outpatient visit, 20-29 minutes 17 13 $84

In context: peer comparison

Among 7 peers in Las Vegas Rheumatology Physician, average services per provider: 180. This provider delivers 0.6× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
1,791
Patients
582
Total drug cost
$668,831
Drug Type Claims Patients Total cost
Hydroxychloroquine Sulfate Generic 401 137 $30,069
Methotrexate (Methotrexate Sodium) Brand 399 120 $11,631
Prednisone Generic 238 88 $1,865
Folic Acid Generic 192 77 $737
Leflunomide Generic 136 47 $6,541
Sulfasalazine Generic 86 25 $1,518
Mycophenolate Mofetil Generic 64 15 $4,159
Azathioprine Generic 56 23 $2,857
Humira(Cf) Pen (Adalimumab) Brand 46 0 $342,724
Pilocarpine Hcl Generic 39 12 $1,914

Frequently asked questions

Auto-generated from federal data
What is Dr. Johnson Kay's medical specialty?
Dr. Johnson Kay practices Rheumatology Physician in Las Vegas, NV.
Where does Dr. Johnson Kay practice?
Dr. Johnson Kay practices at 4475 S Eastern Ave Ste 2400, Las Vegas, NV 891197826. Office phone: 7029547672.
What is Dr. Johnson Kay's NPI?
Dr. Johnson Kay's National Provider Identifier (NPI) is 1184688061, issued by NPPES.
Does Dr. Johnson Kay accept Medicare assignment?
Yes. Dr. Johnson Kay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Johnson Kay commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.