Doctor profile · Federal record
Dr. Karen Zarrelli, CRNP
Nurse Practitioner · Adult Health Nurse Practitioner · Gerontology Nurse Practitioner · Reno, NV
- NPI 1447556493
- Accepts Medicare
- 27 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1 E Liberty St Ste 600
Reno, NV 895012110
(240) 393-1861 - Additional location
-
555 Mission St
San Francisco, CA 941050920 - Mailing address
-
4409 Camley Way
Burtonsville, MD 208663122
Credentials & registration
- NPI registered
- February 2011 — 15 yrs on file
- Profile last updated
- January 21, 2022
- Year of graduation
- 1999 — 27 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State license (1)
- Maryland #RO90425
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1447556493. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
3,610
Distinct HCPCS
9
Medicare allowed
$245,223
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99457 |
Management using the results of remote vital sign monitoring per calendar month, first 20 minutes | 764 | 114 | $28 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 684 | 112 | $90 | |
99454 |
Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days | 674 | 109 | $51 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 628 | 98 | $133 | |
99490 |
Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | 462 | 88 | $59 | |
99458 |
Management using the results of remote vital sign monitoring per calendar month, each additional 20 minutes | 299 | 84 | $28 | |
G0506 |
Comprehensive assessment of and care planning for patients requiring chronic care management services (list separately in addition to primary monthly care management service) | 41 | 39 | $41 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 39 | 33 | $91 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 19 | 19 | $173 |
In context: peer comparison
Among 31 peers in Reno Nurse Practitioner, average services per provider: 323. This provider delivers 11× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
22
Patients
0
Total drug cost
$404
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Aripiprazole | Generic | 11 | 0 | $235 |
| Duloxetine Hcl | Generic | 11 | 0 | $169 |
Frequently asked questions
What is Dr. Karen Zarrelli's medical specialty?
Dr. Karen Zarrelli practices Nurse Practitioner in Reno, NV.
Where does Dr. Karen Zarrelli practice?
Dr. Karen Zarrelli practices at 1 E Liberty St Ste 600, Reno, NV 895012110. Office phone: 2403931861.
What is Dr. Karen Zarrelli's NPI?
Dr. Karen Zarrelli's National Provider Identifier (NPI) is 1447556493, issued by NPPES.
Does Dr. Karen Zarrelli accept Medicare assignment?
Yes. Dr. Karen Zarrelli accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Zarrelli commonly perform?
Top Medicare-reported procedures in 2023: Management using the results of remote vital sign monitoring per calendar month (HCPCS 99457); Telephone medical discussion with physician (HCPCS 99443); Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (HCPCS 99454). Source: CMS Medicare Physician & Other Practitioners file.