DR. STEPHEN JOHN KARMAN (MD) – Internal Medicine Physician, NPI 1255393476
Internal Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
1,575 INTERNAL MEDICINE in NV
Provider Addresses for DR. STEPHEN JOHN KARMAN (MD)
2720 N Tenaya Way
Las Vegas, NV 891280424
Phone: (702) 838-2025
Fax: (702) 242-7944
Type: Location
PO BOX 15645
LAS VEGAS, NV 891145645
Phone: (702) 560-2900
Fax: (702) 560-2928
Type: Mailing
McCurtain Memorial Hospital, 1301, East Lincoln Road, Idabel, McCurtain County, Oklahoma, 74745, United States
IDABEL, OK 747457300
Phone: (580) 286-7623
Fax: (580) 208-3199
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $666.
Total Amount is formed as General ($666) + Research ($0) + Ownership ($0) = $666.
Last reported payment date: 2024-06-20 • Largest payer in this snapshot: AstraZeneca Pharmaceuticals LP ($228).
Total Amount
$666
General + Research + Ownership
Payments
5
Total payment records
General Amount
$666
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-06-20
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| AstraZeneca Pharmaceuticals LP | $228 |
| CVRx, Inc. | $161 |
| Janssen Pharmaceuticals, Inc | $150 |
| Edwards Lifesciences Corporation | $127 |
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: 2005-05-09
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 |
|---|---|---|---|---|
| I20050509000024 | I | Internal Medicine | FL | 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 |
|---|---|---|---|---|
| 99233 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 943 | 297 | $0 |
| 99239 | Hospital discharge day management, more than 30 minutes | 146 | 137 | $0 |
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 138 | 133 | $0 |
| 99238 | Hospital discharge day management, 30 minutes or less | 67 | 67 | $0 |
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 34 | 24 | $0 |
Insurance plans in this area (ZIP 89128)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | FL | |
| Family Practice | FL | |
| Internal Medicine | FL | |
| - | FL | |
| Nurse Practitioner | FL | |
| - | FL | |
| Nurse Practitioner | FL | |
| Cardiovascular Disease (Cardiology) | PR | |
| Internal Medicine | FL | |
| Internal Medicine | FL |
Reviews
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