WESLEY E FLEMING (MD) – Sleep Medicine (Internal Medicine) Physician, NPI 1205922945
Sleep Medicine (Internal Medicine) Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
101 UNDEFINED PHYSICIAN TYPE (SPECIFY) in CA
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Provider Addresses for WESLEY E FLEMING (MD)
Barranca Parkway, Orange County Great Park, Irvine, Orange County, California, 92618, United States
SUITE 170
IRVINE, CA 926048645
Phone: (949) 679-5510
Mailing address matches the actual address.
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 1 Open Payments records for all available years, with a total value of $121.
Total Amount is formed as General ($121) + Research ($0) + Ownership ($0) = $121.
Last reported payment date: 2023-06-01 • Largest payer in this snapshot: American Orthodontics Corporation ($121).
Total Amount
$121
General + Research + Ownership
Payments
1
Total payment records
General Amount
$121
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-06-01
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| American Orthodontics Corporation | $121 |
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: 2005-09-02
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 |
|---|---|---|---|---|
| I20050902000415 | I | Sleep Medicine | CA | 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 |
|---|---|---|---|---|
| G0399 | Home sleep test (hst) with type iii portable monitor, unattended; minimum of 4 channels: 2 respiratory movement/airflow, 1 ecg/heart rate and 1 oxygen saturation | 339 | 336 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 312 | 245 | $0 |
| G0400 | Home sleep test (hst) with type iv portable monitor, unattended; minimum of 3 channels | 272 | 269 | $0 |
| 95800 | Sleep study including heart rate, breathing, and sleep time | 219 | 217 | $0 |
| 99457 | Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | 80 | 15 | $0 |
Insurance plans in this area (ZIP 92604)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| UNDEFINED PHYSICIAN TYPE (SPECIFY) | CA | 95811 | Sleep monitoring of patient (6 years or older) in sleep lab with continued pressured respiratory assistance by mask or breathing tube | 229 | 219 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| Sleep Medicine, Family Practice | VA | |
| Otolaryngology, Sleep Medicine, Sleep Medicine | NY | |
| Nurse Practitioner | NY |
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