Doctor profile · Federal record
Dr. Barbara Greenwell, APRN
Adult Health Nurse Practitioner (CMS: Nurse Practitioner) · Adult Health Nurse Practitioner · Irvine, CA
- NPI 1942637434
- Accepts Medicare
- 13 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1000 Fivepoint
Irvine, CA 926182377
(949) 671-4673
fax (949) 671-4329 - Additional location
-
1601 Avocado Ave
Newport Beach, CA 926607798
(949) 763-2204
fax (949) 536-8036 - Mailing address
-
Po Box 512185
Los Angeles, CA 900510185
Credentials & registration
- NPI registered
- September 2013 — 13 yrs on file
- Profile last updated
- June 28, 2022
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 363LA2200X — NUCC code
- State licenses (2)
- California #95016517 · New Hampshire #054898-23
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1942637434. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
184
Distinct HCPCS
4
Medicare allowed
$19,465
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 100 | 34 | $90 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 37 | 27 | $130 | |
99205 |
New patient office or other outpatient visit, 60-74 minutes | 24 | 24 | $173 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 23 | 18 | $64 |
In context: peer comparison
Among 4 peers in Irvine Adult Health Nurse Practitioner, average services per provider: 142. This provider delivers 1.3× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
158
Patients
26
Total drug cost
$4,397
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Oxycodone Hcl | Generic | 31 | 15 | $932 |
| Gabapentin | Generic | 29 | 0 | $482 |
| Morphine Sulfate ER (Morphine Sulfate) | Brand | 25 | 0 | $588 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 23 | 11 | $570 |
| Fentanyl | Generic | 22 | 0 | $1,236 |
| Mirtazapine | Generic | 16 | 0 | $445 |
| Lorazepam | Generic | 12 | 0 | $143 |
Frequently asked questions
What is Dr. Barbara Greenwell's medical specialty?
Dr. Barbara Greenwell practices Adult Health Nurse Practitioner in Irvine, CA.
Where does Dr. Barbara Greenwell practice?
Dr. Barbara Greenwell practices at 1000 Fivepoint, Irvine, CA 926182377. Office phone: 9496714673.
What is Dr. Barbara Greenwell's NPI?
Dr. Barbara Greenwell's National Provider Identifier (NPI) is 1942637434, issued by NPPES.
Does Dr. Barbara Greenwell accept Medicare assignment?
Yes. Dr. Barbara Greenwell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Barbara Greenwell commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); New patient office or other outpatient visit (HCPCS 99205). Source: CMS Medicare Physician & Other Practitioners file.