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 Petaluma Nurse Practitioner, 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 |
Hospital affiliations
Frequently asked questions
What is Dr. Patricia Grinnell's medical specialty?
Dr. Patricia Grinnell practices Nurse Practitioner in Petaluma, CA.
Where does Dr. Patricia Grinnell practice?
Dr. Patricia Grinnell practices at 110 Lynch Creek Way Ste A, Petaluma, CA 949542337. Office phone: 7077630600.
What is Dr. Patricia Grinnell's NPI?
Dr. Patricia Grinnell's National Provider Identifier (NPI) is 1538186457, issued by NPPES.
Does Dr. Patricia Grinnell accept Medicare assignment?
Yes. Dr. Patricia Grinnell accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Patricia Grinnell commonly perform?
Top Medicare-reported procedures in 2023: Injection, darbepoetin alfa, 1 microgram (non-esrd use) (HCPCS J0881); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.