Doctor profile · Federal record
Dr. James Tinkelenberg, PA-C
Physician Assistant · Mad River, CA
- NPI 1205978392
- Accepts Medicare
- 20 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
321 van Duzen RD
Mad River, CA 955269508
(707) 574-6616
fax (707) 574-6523 - Mailing address
-
291 Cedar Gap RD # A
Mad River, CA 955529531
Credentials & registration
- NPI registered
- February 2007 — 19 yrs on file
- Profile last updated
- December 12, 2014
- Year of graduation
- 2006 — 20 yrs since
- Specialty taxonomy
- 363A00000X — NUCC code
- State license (1)
- California #19044
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1205978392. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
44
Distinct HCPCS
1
Medicare allowed
$419
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
83036 |
Hemoglobin a1c level | 44 | 25 | $10 |
In context: peer comparison
Among 1 peers in Mad River Physician Assistant, average services per provider: 44. This provider delivers 1.0× the peer median.Open Payments
Industry payments received
All-time total
$107
Transactions
6
Manufacturers
4
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals Lp | 3 | $45.05 | |
| Lilly USA, LLC | 1 | $25.96 | |
| Amgen INC. | 1 | $18.38 | |
| Exact Sciences Corporation | 1 | $17.42 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,853
Patients
454
Total drug cost
$52,792
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 242 | 29 | $9,547 |
| Lisinopril | Generic | 197 | 50 | $3,942 |
| Gabapentin | Generic | 188 | 47 | $7,160 |
| Levothyroxine Sodium | Generic | 142 | 41 | $3,481 |
| Ibuprofen | Generic | 122 | 32 | $1,786 |
| Atorvastatin Calcium | Generic | 119 | 43 | $2,974 |
| Duloxetine Hcl | Generic | 108 | 24 | $7,257 |
| Amitriptyline Hcl | Generic | 102 | 22 | $3,300 |
| Lorazepam | Generic | 94 | 14 | $1,797 |
| Hydrochlorothiazide | Generic | 92 | 29 | $334 |
Hospital affiliations
Frequently asked questions
What is Dr. James Tinkelenberg's medical specialty?
Dr. James Tinkelenberg practices Physician Assistant in Mad River, CA.
Where does Dr. James Tinkelenberg practice?
Dr. James Tinkelenberg practices at 321 van Duzen RD, Mad River, CA 955269508. Office phone: 7075746616.
What is Dr. James Tinkelenberg's NPI?
Dr. James Tinkelenberg's National Provider Identifier (NPI) is 1205978392, issued by NPPES.
Does Dr. James Tinkelenberg accept Medicare assignment?
Yes. Dr. James Tinkelenberg accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Tinkelenberg commonly perform?
Top Medicare-reported procedures in 2023: Hemoglobin a1c level (HCPCS 83036). Source: CMS Medicare Physician & Other Practitioners file.