PATRICK DAVID BUAN (P.A-C) – Physician Assistant, NPI 1790729655
Physician Assistant
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
10,570 PHYSICIAN ASSISTANT in CA
Provider Addresses for PATRICK DAVID BUAN (P.A-C)
910 Sycamore Ave Ste 270
Vista, CA 920817852
Phone: (800) 926-8273
Fax: (888) 539-8781
Type: Location
16950 Via Tazon
San Diego, CA 921271607
Phone: (800) 926-8273
Fax: (888) 539-8781
Type: Location
1505 Encinitas Blvd
Encinitas, CA 920242933
Phone: (800) 926-8273
Fax: (888) 539-8781
Type: Location
2295 Otay Lakes Rd Ste 110
Chula Vista, CA 919151160
Phone: (800) 926-8273
Fax: (888) 539-8781
Type: Location
4510 Executive Dr STE 215
San Diego, CA 921213023
Phone: (800) 926-8273
Fax: (888) 539-8781
Type: Location
203 W F St
San Diego, CA 921016016
Phone: (800) 926-8273
Fax: (888) 539-8781
Type: Location
2100 Powell Street, Bay Trail, Emeryville, Alameda County, California, 94608, United States
STE 920
EMERYVILLE, CA 946081803
Phone: (510) 350-2600
Fax: (510) 879-9100
Type: Mailing
Apple Valley, Dakota County, Minnesota, 55124, United States
APPLE VALLEY, CA 92307
Phone: (760) 242-2311
Type: Location
PO BOX 232410
SAN DIEGO, CA 921932410
Phone:
Type: Mailing
200 W ARBOR DR
SAN DIEGO, CA 921039000
Phone: (800) 926-8273
Fax: (888) 539-8781
Type: Location
6030 VILLAGE WAY STE 200
SAN DIEGO, CA 921302973
Phone: (800) 926-8273
Fax: (888) 539-8781
Type: Location
FILE 57326
LOS ANGELES, CA 900747326
Phone:
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $125.
Total Amount is formed as General ($125) + Research ($0) + Ownership ($0) = $125.
Last reported payment date: 2024-05-15 • Largest payer in this snapshot: Lundbeck LLC ($125).
Total Amount
$125
General + Research + Ownership
Payments
2
Total payment records
General Amount
$125
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-05-15
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Lundbeck LLC | $125 |
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: 2004-11-19
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 |
|---|---|---|---|---|
| I20041119000646 | I | Physician Assistant | 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 | 287 | 258 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 191 | 191 | $0 |
| 87635 | Amplifed dna or rna probe detection of severe acute respiratory syndrome coronavirus 2 (covid-19) antigen | 90 | 88 | $0 |
| 81003 | Automated urinalysis test | 63 | 62 | $0 |
| 87502 | Detection test by nucleic acid for multiple types influenza virus | 39 | 39 | $0 |
Insurance plans in this area (ZIP 92081)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Family Practice | CA | |
| Clinical Social Worker | CA | |
| Physician Assistant | IL | |
| Nurse Practitioner | CA | |
| Internal Medicine | NV | |
| Nurse Practitioner | CA | |
| Internal Medicine, Hospice/Palliative Care | CA | |
| Internal Medicine | CA | |
| Internal Medicine | CA | |
| - | CA |
Reviews
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