Doctor profile · Federal record
Dr. Karen Tinder, NP
Family Nurse Practitioner (CMS: Nurse Practitioner) · Walnut Creek, CA
- NPI 1225442080
- Accepts Medicare
- 28 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 5 locations .
- Primary practice
-
2637 Shadelands Dr
Walnut Creek, CA 945982512
(925) 945-6600 - Additional location
-
1450 Treat Blvd # 160
Walnut Creek, CA 945972168
(925) 296-9000 - Additional location
-
2425 East St, Suite 15
Concord, CA 94520
(925) 682-9232 - Additional location
-
2700 Grant St Ste 200
Concord, CA 945202270
(925) 674-2609 - Additional location
-
3466 Mt Diablo Blvd Ste C104
Lafayette, CA 94549
(925) 674-2609
fax (925) 674-2211
Show 2 more locations
Credentials & registration
- NPI registered
- June 2014 — 12 yrs on file
- Profile last updated
- February 11, 2025
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- California #488386
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1225442080. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,511
Distinct HCPCS
10
Medicare allowed
$106,022
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J0897 |
Injection, denosumab, 1 mg | 1,620 | 17 | $20 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 454 | 272 | $106 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 152 | 122 | $79 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 63 | 63 | $15 | |
96372 |
Injection of drug or substance under skin or into muscle | 60 | 27 | $15 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 52 | 52 | $48 | |
G0008 |
Administration of influenza virus vaccine | 23 | 23 | $31 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 22 | 22 | $76 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 18 | 18 | $99 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 18 | 18 | $165 |
In context: peer comparison
Among 15 peers in Walnut Creek Family Nurse Practitioner, average services per provider: 73. This provider delivers 34× the peer median.Open Payments
Industry payments received
All-time total
$3,516
Transactions
100
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Amgen INC. | 28 | $1,131.60 | |
| Lilly USA, LLC | 17 | $450.95 | |
| Boehringer Ingelheim Pharmaceuticals, INC. | 7 | $253.62 | |
| Novo Nordisk INC | 15 | $221.10 | |
| Radius Health, INC. | 3 | $154.00 | |
| Xeris Pharmaceuticals, INC. | 4 | $150.21 | |
| Madrigal Pharmaceuticals | 1 | $143.34 | |
| Abbott Laboratories | 1 | $124.99 | |
| Mannkind Corporation | 5 | $113.14 | |
| Currax Pharmaceuticals LLC | 6 | $93.91 | |
| Pfizer INC. | 3 | $74.13 | |
| Ascensia Diabetes Care US INC. | 3 | $63.29 | |
| Ibsa Pharma INC. | 3 | $62.03 | |
| GlaxoSmithKline, LLC. | 2 | $60.39 | |
| Dexcom, INC. | 2 | $54.75 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,194
Patients
378
Total drug cost
$357,359
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 248 | 82 | $5,134 |
| Ozempic (Semaglutide) | Brand | 118 | 32 | $203,751 |
| Atorvastatin Calcium | Generic | 113 | 33 | $1,615 |
| Amlodipine Besylate | Generic | 93 | 27 | $759 |
| Jardiance (Empagliflozin) | Brand | 84 | 30 | $135,200 |
| Lisinopril | Generic | 78 | 24 | $880 |
| Metformin Hcl ER (Metformin Hcl) | Brand | 67 | 20 | $1,219 |
| Trazodone Hcl | Generic | 66 | 19 | $1,085 |
| Rosuvastatin Calcium | Generic | 55 | 26 | $823 |
| Metformin Hcl | Generic | 54 | 16 | $1,062 |
Hospital affiliations
Frequently asked questions
What is Dr. Karen Tinder's medical specialty?
Dr. Karen Tinder practices Family Nurse Practitioner in Walnut Creek, CA.
Where does Dr. Karen Tinder practice?
Dr. Karen Tinder practices at 2637 Shadelands Dr, Walnut Creek, CA 945982512. Office phone: 9259456600.
What is Dr. Karen Tinder's NPI?
Dr. Karen Tinder's National Provider Identifier (NPI) is 1225442080, issued by NPPES.
Does Dr. Karen Tinder accept Medicare assignment?
Yes. Dr. Karen Tinder accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Tinder commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.