Doctor profile · Federal record
Dr. PATRICIA GRINNELL, NP
Nurse Practitioner · PETALUMA, CA
- NPI 1538186457
- Accepts Medicare
- 28 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
110 LYNCH CREEK WAY STE A
PETALUMA, CA 949542337
(707) 763-0600
fax (707) 765-1757
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- November 2, 2021
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State license (1)
- California #397558
- Medicaid
- CA #RN397558
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1538186457. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
5,862
Distinct HCPCS
8
Medicare allowed
$85,929
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0881 |
Injection, darbepoetin alfa, 1 microgram (non-esrd use) | 5,241 | 15 | $3 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 256 | 132 | $119 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 168 | 137 | $167 | |
96372 |
Injection of drug or substance under skin or into muscle | 58 | 32 | $14 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 46 | 37 | $85 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 41 | 32 | $70 | |
99443 |
Telephone medical discussion with physician, 21-30 minutes | 35 | 35 | $98 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 17 | 15 | $53 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 732. This provider delivers 8.0× the peer median.Open Payments
Industry payments received
All-time total
$131
Transactions
7
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 2 | $46.31 | |
| Daiichi Sankyo Inc. | 2 | $33.60 | |
| AstraZeneca Pharmaceuticals LP | 2 | $27.08 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 1 | $24.37 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
270
Patients
177
Total drug cost
$15,764
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Dexamethasone | Generic | 45 | 30 | $869 |
| Prochlorperazine Maleate | Generic | 41 | 30 | $443 |
| Ondansetron Hcl | Generic | 32 | 22 | $460 |
| Lidocaine-Prilocaine (Lidocaine/Prilocaine) | Brand | 26 | 24 | $407 |
| Anastrozole | Generic | 25 | 13 | $1,746 |
| Lorazepam | Generic | 22 | 18 | $76 |
| Olanzapine | Generic | 20 | 16 | $407 |
| Prednisone | Generic | 19 | 11 | $145 |
| Acyclovir | Generic | 15 | 0 | $293 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 14 | 13 | $213 |