GEORGE SIMPSON KNAPP (NP) – Family Nurse Practitioner, NPI 1124500012
Family Nurse Practitioner
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
16,353 NURSE PRACTITIONER in CA
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Provider Addresses for GEORGE SIMPSON KNAPP (NP)
Rancho Santa Fe Road, Carlsbad, San Diego County, California, 92009, United States
CARLSBAD, CA 920098685
Phone: (866) 389-2727
Fax: (401) 216-3854
Type: Location
1000 VALE TERRACE DR
VISTA, CA 920845218
Phone: (760) 631-5000
Fax: (760) 414-3702
Type: Location
13433, Little Dawn Lane, Holiday Estates, Poway, San Diego County, California, 92064, United States
POWAY, CA 920644073
Phone: (858) 395-4361
Type: Mailing
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 $23.
Total Amount is formed as General ($23) + Research ($0) + Ownership ($0) = $23.
Last reported payment date: 2023-12-13 • Largest payer in this snapshot: GlaxoSmithKline, LLC. ($23).
Total Amount
$23
General + Research + Ownership
Payments
1
Total payment records
General Amount
$23
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-12-13
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| GlaxoSmithKline, LLC. | $23 |
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: 2018-12-06
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 |
|---|---|---|---|---|
| I20181206000513 | I | Nurse Practitioner | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 134 | 127 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 43 | 43 | $0 |
| 81002 | Urinalysis, manual test | 35 | 35 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 25 | 25 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 13 | 12 | $0 |
Insurance plans in this area (ZIP 92009)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| H O S P I T A L I S T | CA | |
| - | CA | |
| Nurse Practitioner | CA | |
| - | WI | |
| Vascular Surgery | NY | |
| Cardiovascular Disease (Cardiology), Internal Medicine | CA | |
| Physician Assistant | CA | |
| Qualified Audiologist | CA | |
| Orthopedic Surgery | CA | |
| Internal Medicine | CA |
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