Doctor profile · Federal record
Dr. Patti Giallanzo
Acute Care Nurse Practitioner (CMS: Nurse Practitioner) · Walnut Creek, CA
- NPI 1043715444
- Accepts Medicare
- 9 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
1450 Treat Blvd # 120B
Walnut Creek, CA 945972168
(925) 296-7352
fax (925) 296-7352 - Mailing address
-
1450 Treat Blvd # 300
Walnut Creek, CA 945972168
Credentials & registration
- NPI registered
- March 2018 — 8 yrs on file
- Profile last updated
- October 14, 2019
- Year of graduation
- 2017 — 9 yrs since
- Specialty taxonomy
- 363LA2100X — NUCC code
- State license (1)
- California #95007194
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1043715444. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
518
Distinct HCPCS
8
Medicare allowed
$46,779
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 133 | 122 | $150 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 110 | 73 | $103 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 82 | 60 | $69 | |
G0316 |
Prolonged hospital inpatient or observation care evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by th | 80 | 50 | $26 | |
99497 |
Advance care planning, first 30 minutes | 46 | 44 | $66 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 34 | 30 | $43 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 19 | 19 | $114 | |
99221 |
Initial hospital care with straightforward or low level of medical decision making, per day, if using time, at least 40 minutes | 14 | 14 | $73 |
In context: peer comparison
Among 2 peers in Walnut Creek Acute Care Nurse Practitioner, average services per provider: 55. This provider delivers 9.4× the peer median.Frequently asked questions
What is Dr. Patti Giallanzo's medical specialty?
Dr. Patti Giallanzo practices Acute Care Nurse Practitioner in Walnut Creek, CA.
Where does Dr. Patti Giallanzo practice?
Dr. Patti Giallanzo practices at 1450 Treat Blvd # 120B, Walnut Creek, CA 945972168. Office phone: 9252967352.
What is Dr. Patti Giallanzo's NPI?
Dr. Patti Giallanzo's National Provider Identifier (NPI) is 1043715444, issued by NPPES.
Does Dr. Patti Giallanzo accept Medicare assignment?
Yes. Dr. Patti Giallanzo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patti Giallanzo commonly perform?
Top Medicare-reported procedures in 2023: Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.