DR. JOHNSON CHONG-SEIN KAY – Rheumatology Physician, NPI 1184688061
Rheumatology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
43 RHEUMATOLOGY in NV
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Provider Addresses for DR. JOHNSON CHONG-SEIN KAY
West Charleston Boulevard, 18b Arts District, Las Vegas, Clark County, Nevada, 89104-1307, United States
LAS VEGAS, NV 891021973
Phone: (702) 780-7118
Fax: (702) 671-6430
Type: Mailing
4475 S EASTERN AVE STE 2400
LAS VEGAS, NV 891197826
Phone: (702) 954-7672
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2016-09-06
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20160906002389 | I | Rheumatology | NV | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 62 | 35 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 25 | 25 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 17 | 13 | $0 |
Insurance plans in this area (ZIP 89102)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | TX | |
| Internal Medicine | NV | |
| Physician Assistant | NV | |
| - | KY | |
| Nurse Practitioner | NV | |
| - | NV | |
| Nurse Practitioner | NV | |
| O B S T E T R I C S/ G Y N E C O L O G Y | NV | |
| Nurse Practitioner | IL | |
| - | NV |
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