Doctor profile · Federal record
Dr. Gretchen Kunitz, MD
Internal Medicine Physician (CMS: Internal Medicine) · Walnut Creek, CA
- NPI 1144406273
- Accepts Medicare
- MIPS 85.7 / 100 · 2023
- 46 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2621 Shadelands Drive
Walnut Creek, CA 94598
(925) 947-0417
Credentials & registration
- NPI registered
- January 2008 — 18 yrs on file
- Profile last updated
- June 18, 2015
- Year of graduation
- 1980 — 46 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- California #G47367
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1144406273. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
194
Distinct HCPCS
7
Medicare allowed
$20,019
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 85 | 78 | $103 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 35 | 31 | $152 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 21 | 21 | $157 | |
G0008 |
Administration of influenza virus vaccine | 15 | 15 | $37 | |
90694 |
Influenza vaccine, quadrivalent inactivated, 0.5 ml dosage | 14 | 14 | $76 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 13 | 13 | $18 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 11 | 11 | $70 |
In context: peer comparison
Among 44 peers in Walnut Creek Internal Medicine Physician, average services per provider: 260. This provider delivers 0.7× the peer median.Open Payments
Industry payments received
All-time total
$78
Transactions
4
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| GlaxoSmithKline, LLC. | 2 | $43.99 | |
| Lilly USA, LLC | 1 | $19.34 | |
| Abbvie INC. | 1 | $15.09 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
16
Patients
0
Total drug cost
$395
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 16 | 0 | $395 |
Frequently asked questions
What is Dr. Gretchen Kunitz's medical specialty?
Dr. Gretchen Kunitz practices Internal Medicine Physician in Walnut Creek, CA.
Where does Dr. Gretchen Kunitz practice?
Dr. Gretchen Kunitz practices at 2621 Shadelands Drive, Walnut Creek, CA 94598. Office phone: 9259470417.
What is Dr. Gretchen Kunitz's NPI?
Dr. Gretchen Kunitz's National Provider Identifier (NPI) is 1144406273, issued by NPPES.
Does Dr. Gretchen Kunitz accept Medicare assignment?
Yes. Dr. Gretchen Kunitz accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gretchen Kunitz commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.