DR. FRANK KEVIN YOO (M.D.) – Specialist, NPI 1295774545
Specialist
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Doctor Profile
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Profile Insights
NPPES metrics only — not quality of care.
799 NEUROSURGERY in CA
Provider Addresses for DR. FRANK KEVIN YOO (M.D.)
PO BOX 25100
FRESNO, CA 937295100
Phone: (559) 326-1222
Fax: (559) 326-1230
Type: Mailing
9834 GENESEE AVE STE 560
LA JOLLA, CA 920371223
Phone: (858) 909-9033
Fax: (858) 429-4009
Type: Location
9921 CARMEL MOUNTAIN RD # 190
SAN DIEGO, CA 921292813
Phone: (858) 909-9033
Fax: (858) 429-4009
Type: Mailing
4150 REGENTS PARK ROW STE 325
LA JOLLA, CA 920379102
Phone: (858) 909-9033
Fax: (858) 429-4009
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 52 Open Payments records for all available years, with a total value of $120,632.
Total Amount is formed as General ($119,132) + Research ($1,500) + Ownership ($0) = $120,632.
Last reported payment date: 2024-12-10 • Largest payer in this snapshot: Innovasis Inc ($105,459).
Total Amount
$120,632
General + Research + Ownership
Payments
52
Total payment records
General Amount
$119,132
General payments
Research Amount
$1,500
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-10
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Innovasis Inc | $105,459 |
| Medyssey USA, Inc | $6,344 |
| Kyocera Medical Technologies, Inc. | $2,400 |
| GS Solutions, Inc. | $1,500 |
| Collagen Matrix, Inc | $1,500 |
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: 2004-07-29
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20040729001510 | I | Neurosurgery | 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 | 37 | 30 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 36 | 35 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 33 | 33 | $0 |
| 99215 | Established patient office or other outpatient visit, 40-54 minutes | 19 | 19 | $0 |
| 99212 | Established patient office or other outpatient visit, 10-19 minutes | 17 | 17 | $0 |
Insurance plans in this area (ZIP 93729)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Physician Assistant | CA | |
| Nurse Practitioner | CA |
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