MARK DAY (DO) – Family Medicine Physician, NPI 1164436994
Family Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
992 FAMILY PRACTICE in NV
Provider Addresses for MARK DAY (DO)
56 N Pecos Rd
Ste A
Henderson, NV 890740698
Phone: (702) 456-9100
Fax: (702) 434-7354
Type: Location
PO BOX 50698
HENDERSON, NV 890740698
Phone: (702) 456-9100
Fax: (702) 434-7354
Type: Mailing
1655 E CACTUS AVE STE 400
LAS VEGAS, NV 891837723
Phone: (702) 724-8777
Fax: (702) 724-8749
Type: Location
Pecos Road, Green Valley North, Green Valley, Henderson, Clark County, Nevada, 89074, United States
STE A
HENDERSON, NV 890740698
Phone: (702) 456-9100
Fax: (702) 434-7354
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 3 Open Payments records for all available years, with a total value of $362.
Total Amount is formed as General ($362) + Research ($0) + Ownership ($0) = $362.
Last reported payment date: 2024-04-03 • Largest payer in this snapshot: ABBVIE INC. ($362).
Total Amount
$362
General + Research + Ownership
Payments
3
Total payment records
General Amount
$362
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-04-03
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $362 |
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: 2010-09-24
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 |
|---|---|---|---|---|
| I20100924000328 | I | Family Practice | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 621 | 317 | $0 |
| G0008 | Administration of influenza virus vaccine | 28 | 28 | $0 |
| 90694 | Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 25 | 25 | $0 |
| 93000 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 21 | 20 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 21 | 20 | $0 |
Insurance plans in this area (ZIP 89074)
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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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