DR. STEVEN P GUARNACCIA (MD) – Urology Physician, NPI 1235299850
Urology Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
Provider Addresses for DR. STEVEN P GUARNACCIA (MD)
2900 WHIPPLE AVE STE 132
REDWOOD CITY, CA 940622844
Phone: (650) 306-1016
Fax: (650) 216-9403
Type: Location
3400 DATA DR
RANCHO CORDOVA, CA 956707956
Phone:
Type: Mailing
East Jefferson Street, Croydon Park, Rockville, Montgomery County, Maryland, 20850-3827, United States
KAISER PERMANENTE MEDICARE ENROLLMENT
ROCKVILLE, MD 208524908
Phone: (301) 816-2424
Type: Mailing
12011, Lee Jackson Memorial Highway, Penderbrook, Fairfax Farms, Fair Oaks, Fairfax (city), Virginia, 22033, United States
KAISER PERMANENTE PENDERBROOK MEDICAL CENTER
FAIRFAX, VA 220333310
Phone: (703) 383-5400
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 5 Open Payments records for all available years, with a total value of $409.
Total Amount is formed as General ($409) + Research ($0) + Ownership ($0) = $409.
Last reported payment date: 2024-10-23 • Largest payer in this snapshot: Boston Scientific Corporation ($138).
Total Amount
$409
General + Research + Ownership
Payments
5
Total payment records
General Amount
$409
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-23
Latest reported date
Top Companies
Largest payers in this snapshot
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: 2021-04-20
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking 3 Medicare enrollment records; no due dates published yet.
Enrollment records
3
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 |
|---|---|---|---|---|
| I20090715000507 | I | Urology | DC | TBD |
| I20100902000527 | I | Urology | VA | TBD |
| I20210420001919 | I | Urology | 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 |
|---|---|---|---|---|
| 81002 | Urinalysis, manual test | 203 | 159 | $0 |
| 51798 | Ultrasound measurement of bladder capacity after voiding | 172 | 128 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 120 | 120 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 110 | 90 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 102 | 78 | $0 |
Insurance plans in this area (ZIP 94062)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | MD | |
| - | MD | |
| Internal Medicine | VA | |
| Family Practice | VA | |
| Family Practice | VA | |
| - | MD | |
| - | MD | |
| Family Practice | WV | |
| - | GA | |
| - | MD |
Reviews
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